TERADYNE INC
10-K, 1997-03-27
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>   1
 
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                   FORM 10-K
(MARK ONE)
[X]             ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                      THE SECURITIES EXCHANGE ACT OF 1934
 
                  FOR THE FISCAL YEAR ENDED DECEMBER 31, 1996
 
                                       OR
 
[  ]          TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                      THE SECURITIES EXCHANGE ACT OF 1934
 
                         COMMISSION FILE NUMBER 1-6462
                            ------------------------
 
                                 TERADYNE, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                            <C>
                MASSACHUSETTS                                   04-2272148
       (STATE OR OTHER JURISDICTION OF                       (I.R.S. EMPLOYER
       INCORPORATION OR ORGANIZATION)                     IDENTIFICATION NUMBER)
 
 321 HARRISON AVENUE, BOSTON, MASSACHUSETTS                        02118
  (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                      (ZIP CODE)
</TABLE>
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (617) 482-2700
                            ------------------------
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
 
<TABLE>
<S>                                            <C>
             TITLE OF EACH CLASS                 NAME OF EACH EXCHANGE ON WHICH REGISTERED
 
       COMMON STOCK, PAR VALUE $0.125                     NEW YORK STOCK EXCHANGE
</TABLE>
 
     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to the
filing requirements for the past 90 days.  Yes [X] No [ ]
 
     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained to the
best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or in any
amendment to this Form 10-K.  [ ]
 
     The aggregate market value of the voting stock held by nonaffiliates of the
registrant as of February 21, 1997 was $2.5 billion based upon the composite
closing price of the registrant's Common Stock on the New York Stock Exchange on
that date.
 
     The number of shares outstanding of the registrant's only class of Common
Stock as of February 21, 1997 was 83,469,412 shares.
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Portions of the registrant's proxy statement in connection with its 1997
annual meeting of shareholders are incorporated by reference into Part III.
 
================================================================================
<PAGE>   2
 
                                 TERADYNE, INC.
 
                                   FORM 10-K
 
                                     PART I
 
ITEM 1:  BUSINESS
 
     Teradyne, Inc. is a manufacturer of electronic test systems and backplane
connection systems used in the electronics and telecommunications industries.
For financial information concerning these two industry segments, see "Note M:
Industry Segment and Geographic Information" in Notes to Consolidated Financial
Statements. Unless the context indicates otherwise, the term "Company" as used
herein includes Teradyne, Inc. and all its subsidiaries.
 
     Statements in this Annual Report on Form 10-K which are not historical
facts, so called "forward looking statements," are made pursuant to the safe
harbor provisions of the Private Securities Litigation Reform Act of 1995.
Investors are cautioned that all forward looking statements involve risks and
uncertainties, including those detailed in the Company s filings with the
Securities and Exchange Commission. See also "Item 7: Management's Discussion
and Analysis of Financial Condition and Results of Operations -- Certain Factors
That May Affect Future Results."
 
ELECTRONIC TEST SYSTEMS
 
     The Company designs, manufactures, markets, and services electronic test
systems and related software used by component manufacturers in the design and
testing of their products and by electronic equipment manufacturers for the
design and testing of circuit boards and other assemblies. Manufacturers use
such systems and software to increase product performance, to improve product
quality, to shorten time to market, to enhance manufacturability, to conserve
labor costs, and to increase production yields. The Company's electronic systems
are also used by telephone operating companies for the testing and maintenance
of their subscriber telephone lines and related equipment.
 
     Electronic test systems produced by the Company include: (i) test systems
for a wide variety of semiconductors, including digital, analog, and mixed
signal integrated circuits ("semiconductor test systems"), (ii) test systems for
circuit boards and other assemblies ("circuit-board test systems"), (iii) test
systems for telephone lines and networks ("telecommunications test systems"),
and (iv) software test programs for communications networks, computerized
telecommunications systems and other software products ("software test"). The
Company's test systems are all controlled by computers, and programming and
operating software is supplied both as an integral part of the product and as a
separately priced enhancement. Semiconductor test systems accounted for 64% of
consolidated net sales in 1996, 69% in 1995, and 62% in 1994. Circuit-board test
systems accounted for 13% of consolidated net sales in 1996, 11% in 1995, and
15% in 1994. Telecommunications test systems accounted for 7% of consolidated
net sales in 1996 and 1995, and 6% in 1994. Software test accounted for 1% of
consolidated net sales in 1996.
 
     The Company's systems are extremely complex and require extensive support
both by the customer and by the Company. Prices for the Company's systems range
from less than $100,000 to $5 million or more.
 
BACKPLANE CONNECTION SYSTEMS
 
     The Company also manufactures backplane connection systems, principally for
the computer, telecommunications, and military/aerospace industries. A backplane
is a panel that supports the circuit boards in an electronic assembly and
carries the wiring that connects the boards to each other and to other elements
of a system. The Company produces both printed circuit and metal backplanes,
along with mating circuit-board connectors. Backplanes are custom configured to
meet specific customer requirements and includes the manufacture of fully
integrated electronic assemblies that incorporate backplane, card cage, cabling,
and related design and production services. Backplane connection systems
accounted for 15% of consolidated net sales in 1996, 13% in 1995, and 17% in
1994.
 
                                        1
<PAGE>   3
 
                              MARKETING AND SALES
 
MARKETS
 
     The Company sells its products across most sectors of the electronics
industry and to companies in other industries that use electronic devices in
high volume. No single customer accounted for 10% or more of consolidated net
sales in 1996. In 1996, the Company's three largest customers accounted for less
than 25% of consolidated net sales.
 
     Direct sales to United States government agencies accounted for less than
2% of consolidated net sales in 1996, 1995, and 1994. Sales are also made within
each of the Company's segments to customers who are government contractors.
Approximately 15% of backplane connection system sales and less than 10% of
electronic test systems sales fell into this category during 1996.
 
     The Company's customers outside the United States are located primarily in
Europe, the Asia Pacific region, and Japan. The Company sells in these areas
both directly and through non U.S. sales subsidiaries. Substantially all of the
Company's manufacturing activities are conducted in the United States.
 
     Sales to customers outside the United States accounted for 54% of
consolidated net sales in 1996, 52% in 1995, and 46% in 1994. Sales to such
customers from locations outside the United States accounted for less than 10%
of consolidated net sales in all periods presented. Identifiable assets of the
Company's non U.S. locations, consisting principally of operating assets used in
support of domestic export sales, approximated $130.3 million at December 31,
1996, $125.2 million at December 31, 1995, and $94.5 million at December 31,
1994. Of these identifiable assets at December 31, 1996, $82.3 million were in
Europe, $40.6 million were in Japan, and $7.4 million were in the Asia Pacific
region.
 
     The Company is subject to the inherent risks involved in international
trade, such as political and economic instability, restrictive trade policies,
controls on funds transfer, currency fluctuations, difficulties in managing
distributors, potentially adverse tax consequences, and the possibility of
difficulty in accounts receivable collection. The Company attempts to reduce the
effects of currency fluctuations by hedging part of its exposed position and by
conducting some of its international transactions in U.S. dollars or dollar
equivalents.
 
DISTRIBUTION
 
     The Company sells its products primarily through a direct sales force. The
Company has sales and service offices throughout North America, Europe, the Asia
Pacific region, and Japan.
 
COMPETITION
 
     The Company faces substantial competition throughout the world, primarily
from electronic test systems manufacturers located in the United States, Europe,
and Japan, as well as several of the Company's customers. Some of these
competitors have substantially greater financial and other resources with which
to pursue engineering, manufacturing, marketing, and distribution of their
products. New product introductions by the Company's competitors could cause a
decline in sales or loss of market acceptance of existing products.
 
                                    BACKLOG
 
     On December 31, 1996, the Company's backlog of unfilled orders for
electronic test systems and backplane connection systems was approximately
$433.9 million and $82.5 million, respectively, compared with $607.1 million and
$52.2 million, respectively, on December 31, 1995. Of the backlog at December
31, 1996, approximately 82% of the electronic test systems backlog, and
approximately 91% of the backplane connection systems backlog are expected to be
delivered in 1997. The electronic test systems backlog at December 31, 1996
includes $36.1 million of United States government orders for M900 VXI Digital
Test subsystems for the U.S. Navy's Consolidated Automated Support System (CASS)
which are unfunded. The unfunded orders are for shipments scheduled to be
delivered in 1997 and beyond. The Company's past
 
                                        2
<PAGE>   4
 
experience indicates that a portion of orders included in the backlog may be
canceled. There are no seasonal factors related to the backlog.
 
                                 RAW MATERIALS
 
     The Company's products require a wide variety of electronic and mechanical
components. In the past, the Company has experienced occasional delays in
obtaining timely delivery of certain items. Additionally, the Company could
experience a temporary adverse impact if any of its sole source suppliers ceased
to deliver products. Any prolonged inability of the Company to obtain adequate
yields or deliveries, or any other circumstances that would require the Company
to seek alternative sources of supply could have a material adverse effect on
the Company's business, financial condition, and results of operations.
 
                              PATENTS AND LICENSES
 
     The development of products by the Company, both hardware and software, is
largely based on proprietary information. The Company protects its rights in
proprietary information through various methods such as copyrights, trademarks,
patents and patent applications, software license agreements, and employee
agreements. The Company relies on certain intellectual property protections to
preserve its intellectual property rights. Any invalidation of the Company's
intellectual property rights could have a material adverse effect on the
Company's business.
 
                                   EMPLOYEES
 
     As of December 31, 1996, the Company employed approximately 5,000 people.
Since the inception of the Company's business, there have been no work stoppages
or other labor disturbances. The Company has no collective bargaining contracts.
 
                     ENGINEERING AND DEVELOPMENT ACTIVITIES
 
     The highly technical nature of the Company's products requires a large and
continuing engineering and development effort. Engineering and development
expenditures for new and improved products were approximately $143.9 million in
1996, $123.5 million in 1995, and $86.6 million in 1994. These expenditures
amounted to approximately 12% of consolidated net sales in 1996, 10% in 1995,
and 11% in 1994.
 
                             ENVIRONMENTAL AFFAIRS
 
     The Company's manufacturing facilities are subject to numerous laws and
regulations designed to protect the environment, particularly from manufacturing
plant wastes and emissions. These include laws such as the Comprehensive
Environmental Response, Compensation, and Liability Act of 1980, the Superfund
Amendment and Reauthorization Act of 1986, the Occupational Safety and Health
Act, the Clean Air Act, the Clean Water Act, the Resource Conservation and
Recovery Act of 1976, and the Hazardous and Solid Waste Amendments of 1984. In
the opinion of management, the costs associated with complying with these laws
and regulations has not had and is currently not expected to have a material
adverse effect upon the financial position of the Company.
 
                                        3
<PAGE>   5
 
                       EXECUTIVE OFFICERS OF THE COMPANY
 
     The following table sets forth the names of all executive officers of the
Company and certain other information relating to their positions held with the
Company and other business experience. Executive officers of the Company do not
have a specific term of office but rather serve at the discretion of the Board
of Directors.
 
<TABLE>
<CAPTION>
                                                                  BUSINESS EXPERIENCE FOR THE
    EXECUTIVE OFFICER      AGE            POSITION                        PAST 5 YEARS
    -----------------      ---            --------                ----------------------------
<S>                         <C>   <C>                         <C>
Alexander V.                69    Chairman of the Board and   Chairman of the Board of the Company
  d'Arbeloff.............          Chief Executive Officer    since 1977; Chief Executive Officer
                                                              beginning in 1996; President of the
                                                              Company from 1971 to 1996; Director
                                                              of the Company since 1960.

James A. Prestridge......   65   Vice Chairman of the Board   Vice Chairman of the Board beginning
                                     and Executive Vice       in 1996; Executive Vice President of
                                          President           the Company since 1992; Vice
                                                              President of the Company from 1971
                                                              to 1992.

Owen W. Robbins..........   67   Vice Chairman of the Board   Vice Chairman of the Board beginning
                                     and Executive Vice       in 1996; Executive Vice President of
                                          president           the Company since 1992; Vice
                                                              President of the Company from 1977
                                                              to 1992.

George W. Chamillard.....   58   President, Chief Operating   President, Chief Operating Officer,
                                 Officer, and Member of the   and Director of the Company
                                            Board             beginning in 1996; Executive Vice
                                                              President of the Company from 1994
                                                              to 1996; Vice President of the
                                                              Company from 1981 to 1993.

Michael A. Bradley.......   48         Vice President         Vice President of the Company since
                                                              1992; TQM Manager of the Company
                                                              from 1990 to 1992.

Ronald J. Dias...........   53         Vice President         Vice President of the Company since
                                                              1988.

Donald J. Hamman.........   45           Controller           Controller of the Company since
                                                              1994; Director of Corporate
                                                              Accounting from 1986 to 1994.

Jeffrey R. Hotchkiss.....   49         Vice President         Vice President of the Company since
                                                              1990.

John P. McCabe...........   52         Vice President         Vice President of the Company since
                                                              1994; Controller of the Company from
                                                              1975 to 1994.

Stuart M. Osattin........   51       Vice President and       Vice President of the Company since
                                          Treasurer           1994; Treasurer of the Company since
                                                              1980.

Edward Rogas, Jr.........   56         Vice President         Vice President of the Company since
                                                              1984.

David L. Sulman..........   53         Vice President         Vice President of the Company since
                                                              1994; Division General Manager since
                                                              1993; Division Engineering Manager
                                                              from 1982 to 1992.
</TABLE>
 
                                        4
<PAGE>   6
 
ITEM 2:  PROPERTIES
 
     The Company's executive offices are in Boston, Massachusetts. Manufacturing
and other operations are carried on in several locations. The following table
provides certain information as to the Company's principal general offices and
manufacturing facilities.
 
<TABLE>
<CAPTION>
                                                                                      APPROXIMATE
                                                                          PROPERTY   SQUARE FEET OF
LOCATION                                                                  INTEREST    FLOOR SPACE
- --------                                                                  --------   --------------
<S>                                                                        <C>           <C>
ELECTRONIC TEST SYSTEMS INDUSTRY SEGMENT:

  Boston, Massachusetts.................................................    Own          492,000

  Boston, Massachusetts.................................................   Lease          45,000

  Agoura Hills, California..............................................    Own          360,000

  Deerfield, Illinois...................................................    Own           63,000

  Walnut Creek, California..............................................   Lease          60,000

  Kumamoto, Japan.......................................................    Own           28,000

  San Jose, California..................................................    Own          120,000
 
BACKPLANE CONNECTION SYSTEMS INDUSTRY SEGMENT:

  Nashua, New Hampshire.................................................    Own          399,000

  Plano, Texas..........................................................   Lease          18,300

  Dublin, Ireland.......................................................   Lease          46,000
</TABLE>
 
ITEM 3:  LEGAL PROCEEDINGS
 
     The Company is not a party to any litigation that, in the opinion of
management, could reasonably be expected to have a material adverse impact on
the Company's financial position.
 
ITEM 4:  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
 
     None.
 
                                        5
<PAGE>   7
 
                                    PART II
 
ITEM 5:  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED SHAREHOLDER
MATTERS
 
     The following table shows the market range for the Company's Common Stock
based on reported sales prices on the New York Stock Exchange.
 
<TABLE>
<CAPTION>
                                   PERIOD                                  HIGH       LOW
    ---------------------------------------------------------------------  ----       ---
    <S>                                                                    <C>        <C>
    1996  First Quarter..................................................  $27  7/8   $16 3/8
          Second Quarter.................................................   22  1/2    16
          Third Quarter..................................................   18  1/2    11 1/8
          Fourth Quarter.................................................   26  1/4    15 1/2
    1995  First Quarter..................................................   21  1/2    16
          Second Quarter.................................................   33         20
          Third Quarter..................................................   42  7/8    32 1/4
          Fourth Quarter.................................................   36  5/8    20 1/8
</TABLE>
 
     The number of record holders of the Company's Common Stock at February 21,
1997 was 3,757.
 
     The Company has never paid cash dividends because it has been its policy to
use earnings to finance expansion and growth. Payment of future cash dividends
will rest within the discretion of the Board of Directors and will depend, among
other things, upon the Company's earnings, capital requirements, and financial
condition. The Company presently expects to retain all of its earnings for use
in the business.
 
ITEM 6:  SELECTED FINANCIAL DATA
 
<TABLE>
<CAPTION>
                                                           YEARS ENDED DECEMBER 31,
                                           --------------------------------------------------------
                                              1996         1995        1994       1993       1992
                                           ----------   ----------   --------   --------   --------
                                               (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                        <C>          <C>          <C>        <C>        <C>
Net sales................................  $1,171,615   $1,191,022   $777,731   $633,139   $595,072
                                           ==========   ==========   ========   ========   ========
Income from continuing operations........  $   93,574   $  159,284   $ 76,390   $ 41,202   $ 26,412
                                           ==========   ==========   ========   ========   ========
Income from continuing operations per
  common share...........................  $     1.10   $     1.89   $   0.95   $   0.54   $   0.37
                                           ==========   ==========   ========   ========   ========
Total assets.............................  $1,096,816   $1,023,831   $759,480   $621,607   $502,212
                                           ==========   ==========   ========   ========   ========
Long-term obligations....................  $   15,650   $   18,679   $  9,111   $  9,942   $ 25,828
                                           ==========   ==========   ========   ========   ========
</TABLE>
 
                                        6
<PAGE>   8
 
ITEM 7:  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS
 
                 SELECTED RELATIONSHIPS WITHIN THE CONSOLIDATED
                              STATEMENTS OF INCOME
 
<TABLE>
<CAPTION>
                                                                 YEARS ENDED DECEMBER 31,
                                                          --------------------------------------
                                                             1996           1995          1994
                                                          ----------     ----------     --------
                                                                  (DOLLARS IN THOUSANDS)
<S>                                                       <C>            <C>            <C>
Net sales...............................................  $1,171,615     $1,191,022     $777,731
                                                          ==========     ==========     ========
Net income..............................................  $   93,574     $  159,284     $ 76,390
                                                          ==========     ==========     ========
Increase (decrease) in net sales from preceding year:
  Amount................................................  $  (19,407)    $  413,291     $144,592
                                                          ==========     ==========     ========
  Percentage............................................          (2)%           53%          23%
                                                          ==========     ==========     ========
Increase (decrease) in net income from preceding year...  $  (65,710)    $   82,894     $ 28,317
                                                          ==========     ==========     ========
Percentage of net sales:
  Net sales.............................................         100%           100%         100%
  Expenses:
     Cost of sales......................................          62             54           56
     Engineering and development........................          12             10           11
     Selling and administrative.........................          15             15           19
                                                          ----------     ----------     --------
                                                                  89             79           86
  Other income (expense):
     Merger expenses....................................                         (1)
     Net interest income................................           1              1            1
                                                          ----------     ----------     --------
     Income before income taxes.........................          12             21           15
     Provision for income taxes.........................           4              8            5
                                                          ----------     ----------     --------
Net income..............................................           8%            13%          10%
                                                          ==========     ==========     ========
</TABLE>
 
RESULTS OF OPERATIONS:
 
  1996 compared to 1995
 
     In 1996, sales declined 2% to $1,171.6 million from the record level of
$1,191.0 million reached after 53% sales growth in 1995. The decrease was
primarily in the semiconductor test systems product line, which fell 8% as a
result of a reduction in orders from semiconductor device manufacturers. Sales
of telecommunications test systems also declined by 4% with the completion of
the line-test equipment installation at Deutsche Telekom in Germany. Sales
increased in the other two major product lines of the Company: circuit-board
test systems grew by 19% driven by fulfilling government contracts and increased
sales to commercial customers and backplane connection systems grew by 15% with
strong demand from the high technology commercial customer base. Net income
decreased from $159.3 million in 1995 to $93.6 million in 1996. Excluding the
effect of pre-tax nonrecurring charges of $48.9 million ($32.0 million after
taxes) in 1996 and $5.6 million ($5.6 million after taxes) in 1995, comparative
net income decreased by $39.3 million from $164.9 million to $125.6 million.
 
     Incoming orders decreased 27%, from $1,432.1 million in 1995 to $1,045.1
million in 1996. The most significant decline was in semiconductor test systems
orders which fell 37%. Circuit-board test systems orders, excluding the effect
of $98.0 million in multi-year government contracts received in 1995, were down
8% while backplane connection systems and telecommunications systems increased
49% and 21%, respectively. As a result of the overall decrease in orders, the
Company's backlog fell in 1996, finishing the year at $516.4 million (as
adjusted for $16.4 million in cancellations).
 
                                        7
<PAGE>   9
 
     Cost of sales, as a percentage of sales, increased from 54% in 1995 to 62%
in 1996. The 1996 cost of sales included $34.1 million in one time charges
resulting from the Company's decision to accelerate the consolidation of the
VLSI product lines of Megatest and Teradyne. Excluding the product line
consolidation charge, cost of sales, as a percentage of 1996 sales, was 59%. The
remaining increase in cost of sales percentage was the result of the
relationship of fixed manufacturing costs and the costs associated with new
product introductions to the lower level of sales. In addition, there was an
unfavorable change in mix as a greater percentage of total Company sales were
backplane connection systems and circuit-board test systems whose product
margins are generally lower than semiconductor test systems.
 
     Engineering and development expenses, as a percentage of sales, increased
2% from 10% in 1995 to 12% in 1996. These expenses grew $20.4 million in 1996
primarily as a result of increased investment in new product development of
semiconductor test systems. During 1996, the Company announced major new
products in each of the three semiconductor markets in which it participates.
 
     Selling and administrative expenses were 15% of sales in 1996 and 1995. In
1996, the Company provided $10.8 million for salary continuation payments and
enhanced pension and medical benefits associated with an early retirement
program and other workforce reductions. Excluding this provision selling and
administrative expenses were 14% of sales in 1996.
 
     Interest income increased 36% in 1996 to $19.3 million due to an increase
in the Company's average invested balances and higher interest rates. Interest
expense decreased from $3.0 million in 1995 to $2.4 million in 1996 as an
outstanding capital equipment note was paid.
 
     The Company's effective tax rate was 33% in 1996 compared with 36% in 1995.
The Company utilized domestic export sales corporation benefits and certain
research and development tax credits in 1996 to operate below the U. S.
statutory rate of 35%. In 1995, the effective rate was above the U. S. statutory
rate as certain merger expenses were nondeductible for income tax purposes.
 
  1995 compared to 1994
 
     Sales advanced 53% in 1995 to $1,191.0 million. Each of the major product
lines of the Company -- semiconductor test systems, circuit-board test systems,
telecommunications test systems, and backplane connection systems contributed to
the increase in sales. Sales of semiconductor test systems grew 70% as
semiconductor manufacturers continued to add capacity in response to rising
demand for their products. This capacity expansion was evidenced by a number of
new semiconductor manufacturing plants coming on line. Telecommunications test
systems sales increased 84% primarily from the growing installation of line-test
equipment at Deutsche Telekom in Germany. Sales of backplane connection systems
increased 18% as a result of greater penetration into the Company's high
technology commercial customer base. Circuit-board test systems sales increased
13%. As a result of the increase in sales, net income more than doubled in 1995,
increasing $82.9 million to $159.3 million.
 
     Incoming orders grew faster than sales in 1995, increasing 59% to $1,432.1
million. The increase in orders, like the increase in sales, was primarily due
to increases in semiconductor test systems orders, which increased 73%.
Additionally, circuit-board test systems orders increased by 110% due in large
part to multi-year U.S. government contracts, totaling $98.0 million, to supply
electronic test equipment for the B-2 Stealth Bomber and for the Navy's CASS
program. Orders for backplane connection systems and telecommunications test
systems declined 11% and 5%, respectively. As a result of the overall increase
in orders, the Company's backlog grew 58% in 1995, finishing the year at $659.3
million.
 
     Cost of sales, as a percentage of sales, decreased from 56% in 1994 to 54%
in 1995. The improvement was primarily the result of increased utilization of
the fixed and semi-variable components of the Company's overhead structure. In
addition, there was a favorable change in mix as sales of backplane connection
systems and circuit-board test systems, whose product margins are generally
lower than those of semiconductor test systems, were lower as a percentage of
total Company sales.
 
     Engineering and development expenses, as a percentage of sales, declined 1%
from 11% in 1994 to 10% in 1995, as these expenses did not increase at the same
rate as sales. The dollar amount of these expenses grew
 
                                        8
<PAGE>   10
 
$36.9 million in 1995 as a result of increased investment in new product
development of semiconductor test systems. Selling and administrative expenses
decreased to 15% of sales in 1995 compared with 19% of sales in 1994, as the
dollar volume of these expenses grew by 19% while sales increased 53%.
 
     Interest income increased 82% in 1995 to $14.2 million due to an increase
in the Company's average invested balances and higher interest rates. Interest
expense increased from $1.8 million in 1994 to $3.0 million in 1995 as a result
of increased borrowing at Megatest prior to the merger.
 
     The Company's effective tax rate was 36% in 1995 compared with 33% in 1994.
The Company utilized certain tax credit and operating loss carryforward amounts
in 1994 to operate below the United States statutory rate of 35%. In 1995, the
effective rate increased as the tax credit and operating loss carryforwards were
no longer available and certain merger expenses were nondeductible for income
tax purposes.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The Company's cash, cash equivalents and marketable securities balance grew
$155.7 million in 1996, to $431.5 million following an increase of $54.6 million
in 1995. Cash flow generated from operations was $250.8 million in 1996 and
$115.5 million in 1995. Cash of $13.5 million in 1996 and $24.9 million in 1995
was generated from the sale of stock to employees under the Company's stock
option and stock purchase plans.
 
     Cash was used to fund additions to property, plant and equipment of $75.2
million in 1996 and $93.2 million in 1995. In 1996, the Company's Board of
Directors authorized the repurchase of 5.0 million shares of the Company's stock
on the open market. Cash of $29.8 million was utilized in 1996 to purchase 1.4
million shares under the buyback program.
 
     The Company believes its cash, cash equivalents, and marketable securities
balance of $431.5 million, together with other sources of funds, including cash
flow generated from operations and the available borrowing capacity of $120.0
million under its line of credit agreement, will be sufficient to meet working
capital and capital expenditure requirements in 1997.
 
     Inflation has not had a significant long-term impact on earnings. If there
were inflation, the Company's efforts to cover cost increases with price
increases could be frustrated in the short-term by its relatively high backlog.
 
CERTAIN FACTORS THAT MAY AFFECT FUTURE RESULTS
 
     From time to time, information provided by the Company, statements made by
its employees or information included in its filings with the Securities and
Exchange Commission (including this Form 10-K and the Company's Annual Report to
Shareholders) may contain statements which are not historical facts, so-called
"forward looking statements," which involve risks and uncertainties. In
particular, statements in "Item 1: Business" relating to the Company's delivery
time of unfilled orders, and in "Item 7: Management's Discussion and Analysis of
Financial Condition and Results of Operations" relating to the sufficiency of
capital to meet working capital and planned capital expenditure, and stock
repurchase requirements may be forward looking statements. The Company's actual
future results may differ significantly from those stated in any forward looking
statements. Factors that may cause such differences include, but are not limited
to, the factors discussed below. Each of these factors, and others, are
discussed from time to time in the Company's filings with the Securities and
Exchange Commission.
 
     The Company's future results are subject to substantial risks and
uncertainties. The Company's business and results of operations depend in
significant part upon capital expenditures of manufacturers of semiconductors,
which in turn depend upon the current and anticipated market demand for
semiconductors and products incorporating semiconductors. The semiconductor
industry has been highly cyclical with recurring periods of over supply, which
often have had a severe effect on the semiconductor industry's demand for test
equipment, including systems manufactured and marketed by the Company. The
Company believes that the markets for newer generations of semiconductors will
also be subject to similar fluctuations. The most recent downturn contributed to
a 37% decline in semiconductor test system orders. There can be no assurance
that any future increase in semiconductor test systems bookings for a calendar
quarter will be sustained in subsequent
 
                                        9
<PAGE>   11
 
quarters. In addition, any factor adversely affecting the semiconductor industry
or particular segments within the semiconductor industry may adversely affect
the Company's business, financial condition and operating results.
 
     Also, the Company relies on certain intellectual property protections to
preserve its intellectual property rights. From time to time the Company is
notified that it may be in violation of patents held by others. Any invalidation
of the Company's intellectual property rights, or assertions of patent
infringement against the Company which are ultimately successful, could have a
material adverse effect on the Company. Lengthy and expensive defense of the
Company's rights to technology used in its products could adversely affect the
Company's operating results.
 
     The development of new technologies, commercialization of those
technologies into products, and market acceptance and customer demand for those
products is critical to the Company's success. Successful product development
and introduction depends upon a number of factors, including new product
selection, development of competitive products by competitors, timely and
efficient completion of product design, timely and efficient implementation of
manufacturing and assembly processes and product performance at customer
locations.
 
     The Company faces substantial competition throughout the world, primarily
from electronic test systems manufacturers located in the United States, Europe
and Japan, as well as several of the Company's customers. Some of these
competitors have substantially greater financial and other resources which to
pursue engineering, manufacturing, marketing and distribution of their products.
Certain of the Company's competitors have introduced or announced new products
with certain performance characteristics which may be considered equal or
superior to those currently offered by the Company. The Company expects its
competitors to continue to improve the performance of their current products and
to introduce new products or new technologies that provide improved cost of
ownership and performance characteristics. New product introductions by
competitors could cause a decline in sales or loss of market acceptance of the
Company's existing products. Moreover, increased competitive pressure could lead
to intensified price based competition, which could materially adversely affect
the Company's business, financial condition and results of operations. The
Company derives a significant portion of its total revenues from customers
outside the United States. International sales are subject to significant risks,
including unexpected changes in legal and regulatory requirements and policy
changes affecting the Company's markets, changes in tariffs, exchange rates and
other barriers, political and economic instability, difficulties in accounts
receivable collection, difficulties in managing distributors and
representatives, difficulties in staffing and managing international operations,
difficulties in protecting the Company's intellectual property and potentially
adverse tax consequences.
 
     The Company's quarterly and annual operating results are affected by a wide
variety of factors that could materially adversely affect revenues and
profitability, including: competitive pressures on selling prices; the timing
and cancellation of customer orders; the timing and provision of pricing
protections and returns from certain distributors; changes in product mix; the
Company's ability to introduce new products and technologies on a timely basis;
introduction of products and technologies by the Company's competitors; market
acceptance of the Company's and its competitors' products; potential retrofit
costs; the level of orders received which can be shipped in a quarter; and the
timing of investments in engineering and development. As a result of the
foregoing and other factors, the Company may experience material fluctuations in
future operating results on a quarterly or annual basis which could materially
and adversely affect its business, financial condition, operating results and
stock price.
 
                                       10
<PAGE>   12
 
ITEM 8:  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Directors and Shareholders of
TERADYNE, INC.:
 
     We have audited the consolidated balance sheets of Teradyne, Inc. as of
December 31, 1996 and 1995, and the related consolidated statements of income,
cash flows, and changes in shareholders' equity for each of the three years in
the period ended December 31, 1996. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits. We did not audit the
consolidated financial statements of Megatest for the year ended August 31,
1994, which statements reflect consolidated net sales constituting 13% of the
related consolidated net sales for the year ended December 31, 1994. Those
statements were audited by other auditors whose report has been furnished to us,
and our opinion, insofar as it relates to the amounts included for Megatest, is
based solely on the report of the other auditors.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits and the report of the other auditors provide a
reasonable basis for our opinion.
 
     In our opinion, based on our audits and the report of the other auditors,
the financial statements referred to above present fairly, in all material
respects, the consolidated financial position of Teradyne, Inc. as of December
31, 1996 and 1995, and the consolidated results of its operations and its cash
flows for each of the three years in the period ended December 31, 1996, in
conformity with generally accepted accounting principles.

                                          COOPERS & LYBRAND L.L.P.
 
Boston, Massachusetts
January 17, 1997
 
                                       11
<PAGE>   13
 
                                 TERADYNE, INC.
 
                          CONSOLIDATED BALANCE SHEETS
                           DECEMBER 31, 1996 AND 1995
 
<TABLE>
<CAPTION>
                                                                         1996           1995
                                                                      ----------     ----------
                                                                           (IN THOUSANDS)
<S>                                                                   <C>            <C>
ASSETS
Current assets:
  Cash and cash equivalents.........................................  $  201,452     $  182,165
  Marketable securities.............................................      48,266         93,662
  Accounts receivable, less allowance for doubtful accounts of
     $1,936 in 1996 and $2,269 in 1995..............................     178,430        254,820
  Inventories:
     Parts..........................................................      91,792        120,011
     Assemblies in process..........................................      47,162         56,840
                                                                      ----------     ----------
                                                                         138,954        176,851
  Deferred tax assets...............................................      32,340         19,546
  Prepayments and other current assets..............................      17,666         13,101
                                                                      ----------     ----------
          Total current assets......................................     617,108        740,145
Property, plant, and equipment:
  Land..............................................................      22,823         22,755
  Buildings and improvements........................................     133,809        128,235
  Machinery and equipment...........................................     393,790        351,950
  Construction in progress..........................................      13,163         10,046
                                                                      ----------     ----------
          Total.....................................................     563,585        512,986
  Less: Accumulated depreciation....................................    (290,088)      (255,968)
                                                                      ----------     ----------
          Net property, plant, and equipment........................     273,497        257,018
Marketable securities...............................................     181,776
Other assets........................................................      24,435         26,668
                                                                      ----------     ----------
          Total assets..............................................  $1,096,816     $1,023,831
                                                                      ==========     ==========
                              LIABILITIES
Current liabilities:
  Notes payable -- banks............................................  $    7,316     $    8,141
  Current portion of long-term debt.................................       1,778          2,082
  Accounts payable..................................................      34,482         42,229
  Accrued employees' compensation and withholdings..................      58,696         66,000
  Unearned service revenue and customer advances....................      62,771         53,587
  Other accrued liabilities.........................................      53,537         41,395
  Income taxes payable..............................................       6,677         16,157
                                                                      ----------     ----------
          Total current liabilities.................................     225,257        229,591
Deferred tax liabilities............................................      13,898         15,711
Long-term debt......................................................      15,650         18,679
Commitments (Note F)
                                                                      ----------     ----------
          Total liabilities.........................................     254,805        263,981
                                                                      ----------     ----------
                              SHAREHOLDERS' EQUITY
Common stock $0.125 par value, authorized 250,000 shares (125,000 in
  1995), issued and outstanding after deduction of reacquired
  shares, 82,480 in 1996 and 82,634 in 1995.........................      10,310         10,329
Additional paid-in capital..........................................     355,576        366,970
Retained earnings...................................................     476,125        382,551
                                                                      ----------     ----------
          Total shareholders' equity................................     842,011        759,850
                                                                      ----------     ----------
          Total liabilities and shareholders' equity................  $1,096,816     $1,023,831
                                                                      ==========     ==========
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
   statements.
 
                                       12
<PAGE>   14
 
                                 TERADYNE, INC.
 
                       CONSOLIDATED STATEMENTS OF INCOME
 
<TABLE>
<CAPTION>
                                                                 YEARS ENDED DECEMBER 31,
                                                          --------------------------------------
                                                             1996           1995          1994
                                                          ----------     ----------     --------
                                                             (IN THOUSANDS, EXCEPT PER SHARE
                                                                         AMOUNTS)
<S>                                                       <C>            <C>            <C>
Net sales...............................................  $1,171,615     $1,191,022     $777,731
Expenses:
  Cost of sales.........................................     724,624        646,382      435,129
  Engineering and development...........................     143,931        123,487       86,570
  Selling and administrative............................     180,265        176,797      148,004
                                                          ----------     ----------     --------
                                                           1,048,820        946,666      669,703
                                                          ----------     ----------     --------
Income from operations..................................     122,795        244,356      108,028
Other income (expense):
  Merger expenses.......................................                     (5,600)
  Interest income.......................................      19,295         14,209        7,827
  Interest expense......................................      (2,427)        (3,040)      (1,830)
                                                          ----------     ----------     --------
Income before income taxes..............................     139,663        249,925      114,025
Provision for income taxes..............................      46,089         90,641       37,635
                                                          ----------     ----------     --------
Net income..............................................  $   93,574     $  159,284     $ 76,390
                                                          ==========     ==========     ========
Net income per common share.............................  $     1.10     $     1.89     $   0.95
                                                          ==========     ==========     ========
Shares used in calculations of net income per common
  share.................................................      85,060         84,253       80,729
                                                          ==========     ==========     ========
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
   statements.
 
                                       13
<PAGE>   15
 
                                 TERADYNE, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                  YEARS ENDED DECEMBER 31,
                                                             ----------------------------------
                                                               1996         1995         1994
                                                             --------     --------     --------
                                                                       (IN THOUSANDS)
<S>                                                          <C>          <C>          <C>
Cash flows from operating activities:
  Net income...............................................  $ 93,574     $159,284     $ 76,390
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation..........................................    49,577       41,807       37,701
     Amortization..........................................     1,326        1,339          741
     Product line consolidation............................    34,100
     Workforce reduction provision.........................    10,810
     Deferred income tax provision (credit)................   (14,607)       3,920        3,875
     Other non-cash items, net.............................      (260)       4,881        1,752
     Changes in operating assets and liabilities:
       Accounts receivable.................................    74,990     (114,708)     (32,178)
       Inventories.........................................    20,584      (57,111)     (18,277)
       Other assets........................................    (4,117)     (18,567)     (12,764)
       Accounts payable and accruals.......................   (10,638)      60,361       34,887
       Income taxes payable................................    (4,515)      34,334       14,902
                                                             --------     --------     --------
          Net cash provided by operating activities........   250,824      115,540      107,029
                                                             --------     --------     --------
Cash flows from investing activities:
  Additions to property, plant, and equipment..............   (59,494)     (79,197)     (32,568)
  Increase in equipment manufactured by the Company........   (15,735)     (14,004)      (8,127)
  Purchases of held-to-maturity marketable securities......  (250,594)    (190,961)     (55,400)
  Maturities of held-to-maturity marketable securities.....   248,733      126,619       25,848
  Purchases of available-for-sale marketable securities....  (142,600)
  Maturities of available-for-sale marketable securities...     8,081
                                                             --------     --------     --------
          Net cash used in investing activities............  (211,609)    (157,543)     (70,247)
                                                             --------     --------     --------
Cash flows from financing activities:
  Net payments under short-term borrowing agreements.......                 (4,100)
  Payments of long-term debt...............................    (3,550)      (1,015)      (1,665)
  Additions to long-term debt..............................                 12,500          145
  Issuance of common stock under stock option and stock
     purchase plans........................................    13,455       24,914       17,119
  Sale of common stock.....................................                              13,575
  Acquisition of treasury stock............................   (29,833)                  (24,597)
                                                             --------     --------     --------
          Net cash provided (used) by financing
            activities.....................................   (19,928)      32,299        4,577
                                                             --------     --------     --------
Increase (decrease) in cash and cash equivalents...........    19,287       (9,704)      41,359
Adjustment to conform fiscal year of Megatest..............                (10,346)
Cash and cash equivalents at beginning of year.............   182,165      202,215      160,856
                                                             --------     --------     --------
Cash and cash equivalents at end of year...................  $201,452     $182,165     $202,215
                                                             ========     ========     ========
Supplementary disclosure of cash flow information:
  Cash paid during the year for:
     Interest..............................................  $  2,426     $  3,092     $  1,722
     Income taxes..........................................    68,089       52,339       16,563
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
   statements.
 
                                       14
<PAGE>   16
 
                                 TERADYNE, INC.
 
           CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
                  YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
 
<TABLE>
<CAPTION>
                                                SHARES              COMMON       ADDITIONAL
                                         ---------------------       STOCK        PAID-IN       RETAINED
                                         ISSUED     REACQUIRED     PAR VALUE      CAPITAL       EARNINGS
                                         ------     ----------     ---------     ----------     ---------
                                                                  (IN THOUSANDS)
<S>                                      <C>           <C>          <C>           <C>            <C>
Balance, December 31, 1993.............  39,244          768        $ 4,810        $315,657      $160,189
  Issuance of stock to employees under
     benefit plans.....................   1,584           17            196          16,923
  Tax benefit from stock options.......                                               8,275
  Repurchase of stock..................                  878           (110)        (24,487)
  Secondary offering of Megatest
     Corporation, net offering costs...     447                          56          13,519
  Net income...........................                                                            76,390
  Pension adjustment...................                                                             1,468
                                         ------        -----        -------        --------      --------
Balance, December 31, 1994.............  41,275        1,663          4,952         329,887       238,047
  Adjustment to conform fiscal year of
     Megatest Corporation..............       3                                           9       (14,780)
  Issuance of stock to employees under
     benefit plans.....................   1,614                         202          22,940
  Tax benefit from stock options.......                                              17,549
  Two-for-one stock split effected in
     the form of a 100% stock
     dividend..........................  42,892        1,664          5,154          (5,154)
  Issuance of stock to employees under
     benefit plans after the
     two-for-one stock split...........     177                          21           1,751
  Payment for fractional shares
     resulting from merger.............                                                 (12)
  Net income...........................                                                           159,284
                                         ------        -----        -------        --------      --------
Balance, December 31, 1995.............  85,961        3,327         10,329         366,970       382,551
  Issuance of stock to employees under
     benefit plans.....................   1,281                         160          13,295
  Tax benefit from stock options.......                                               4,965
  Repurchase of stock..................                1,435           (179)        (29,654)
  Net income...........................                                                            93,574
                                         ------        -----        -------        --------      --------
Balance, December 31, 1996.............  87,242        4,762        $10,310        $355,576      $476,125
                                         ======        =====        =======        ========      ========
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
   statements.
 
                                       15
<PAGE>   17
 
                                 TERADYNE, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
A. THE COMPANY
 
     Teradyne, Inc. (the "Company") designs, manufactures, markets, and services
electronic test systems and related software used by component manufacturers in
the design and testing of their products and by electronic equipment
manufacturers for the design and testing of circuit boards and other assemblies.
Manufacturers use such systems and software to increase product performance, to
improve product quality, to shorten time to market, to enhance
manufacturability, to conserve labor costs, and to increase production yields.
The Company's electronic systems are also used by telephone operating companies
for the testing and maintenance of their subscriber telephone lines and related
equipment.
 
     The Company also manufactures backplane connection systems, principally for
the computer, telecommunications, and military/aerospace industries. A backplane
is a panel that supports the circuit boards in an electronic assembly and
carries the wiring that connects the boards to each other and to other elements
of a system.
 
B. ACCOUNTING POLICIES
 
  Basis of Presentation
 
     The consolidated financial statements include the accounts of the Company
and its subsidiaries. All significant intercompany balances and transactions are
eliminated. Certain prior years' amounts were reclassified to conform to the
current year presentation. On December 1, 1995, the Company completed its
acquisition of Megatest Corporation ("Megatest"), by means of a merger accounted
for as a pooling of interests. As a result of the merger, Megatest became a
wholly owned subsidiary of the Company. The consolidated financial statements of
the Company for periods prior to the merger were restated to include the
financial position and results of operations of the combined companies.
 
  Preparation of Financial Statements
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the dates of the financial
statements and the reported amounts of revenues and expenses during the reported
periods. Actual results could differ from those estimates.
 
  Inventories
 
     Inventories are stated at the lower of cost (first-in, first-out basis) or
market (net realizable value).
 
  Property, Plant, and Equipment
 
     Property, plant, and equipment are stated at cost. Leasehold improvements
and major renewals are capitalized and included in property, plant, and
equipment accounts while expenditures for maintenance and repairs and minor
renewals are charged to expense. When assets are retired, the assets and related
allowances for depreciation and amortization are removed from the accounts and
any resulting gain or loss is reflected in operations.
 
     The Company provides for depreciation of its assets principally on the
straight-line method with the cost of the assets being charged to expense over
their useful lives as follows: buildings and improvements - 5 to 40 years; and
machinery and equipment - 2 to 10 years.
 
                                       16
<PAGE>   18
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Revenue Recognition
 
     Revenue is recorded when products are shipped or, in instances where
products are configured to customer requirements, upon the successful completion
of test procedures. Service revenue is recognized ratably over applicable
contract periods or as services are performed. In certain situations, revenue is
recorded using the percentage of completion method based upon the completion of
measurable milestones, with changes to total estimated costs and anticipated
losses, if any, recognized in the period in which determined.
 
  Engineering and Development Costs
 
     The Company's products are highly technical in nature and require a large
and continuing engineering and development effort. All engineering and
development costs are expensed as incurred.
 
  Income Taxes
 
     Deferred tax assets and liabilities are determined based on differences
between financial reporting and tax bases of assets and liabilities and are
measured using the enacted tax rates and laws that will be in effect when the
differences are expected to reverse. The measurement of deferred tax assets is
reduced by a valuation allowance if, based upon weighted available evidence, it
is more likely than not that some or all of the deferred tax assets will not be
realized.
 
     The Company's practice is to provide U.S. Federal taxes on undistributed
earnings of the Company's non U.S. sales and service subsidiaries.
 
  Translation of Non U.S. Currencies
 
     Assets and liabilities of non U.S. subsidiaries, which are denominated in
currencies other than the U.S. dollar, are remeasured into U.S. dollars at rates
of exchange in effect at the end of the fiscal year except nonmonetary assets
and liabilities which are remeasured using historical exchange rates. Revenue
and expense amounts are remeasured using an average of exchange rates in effect
during the year, except those amounts related to nonmonetary assets and
liabilities, which are remeasured at historical exchange rates. Net realized and
unrealized gains and losses resulting from currency remeasurement are included
in operations.
 
  Net Income per Common Share
 
     Net income per common share is based upon the weighted average number of
common and common equivalent shares outstanding (when dilutive) each year.
Common equivalent shares result from the assumed exercise of outstanding stock
options, the proceeds of which are then assumed to have been used to repurchase
outstanding common stock using the treasury stock method. Primary and fully
diluted earnings per share are equal for all periods presented.
 
C. MERGER -- POOLING OF INTERESTS
 
     On December 1, 1995, the Company acquired through a merger all of the
authorized and outstanding common stock of Megatest in exchange for
approximately 6.8 million shares of the Company's common stock using an exchange
ratio of 0.9091 of one share of the Company's common stock for each Megatest
share. In addition, all outstanding Megatest stock options were converted, at
the common stock exchange ratio, into options to purchase the Company's common
stock. Megatest manufactures electronic test systems for the integrated circuit
industry. Prior to the merger, Megatest prepared its financial statements on an
August 31 fiscal year end. Megatest's fiscal year has been changed to December
31 to conform to the Company's year end. The restated financial statements for
1994 include Megatest's amounts as of and for the year ended August 31, 1994. As
a result, Megatest's corresponding results of operations and cash flows as of
and for the four month period ended December 31, 1994 are not reflected in the
Company's consolidated statements of
 
                                       17
<PAGE>   19
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
income and cash flows. Megatest's loss for this period of $14.8 million has been
charged to retained earnings effective January 1, 1995. Megatest's results of
operations for the four months ended December 31, 1994 are summarized as follows
(in thousands):
 
<TABLE>
            <S>                                                         <C>
            Revenue...................................................  $ 14,111
            Net Loss..................................................  $(14,780)
</TABLE>
 
     Separate results of the Company and Megatest that have been combined in the
Company's consolidated results for the years ended December 31, 1995 and 1994
are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                                        1995        1994
                                                                     ----------   --------
    <S>                                                              <C>          <C>
    Net sales:
      Teradyne.....................................................  $1,059,409   $677,440
      Megatest.....................................................     131,613    100,291
                                                                     ----------   --------
                                                                     $1,191,022   $777,731
                                                                     ==========   ========
    Net income:
      Teradyne.....................................................  $  157,204   $ 70,941
      Megatest.....................................................       2,297     10,799
      Adjustments..................................................        (217)    (5,350)
                                                                     ----------   --------
                                                                     $  159,284   $ 76,390
                                                                     ==========   ========
</TABLE>
 
     The combined financial results reflect the restatement of Megatest's
provision for income taxes in accordance with Statement of Financial Accounting
Standards No. 109 Accounting for Income Taxes. Due to the merger, Megatest's
previously unrecognized tax benefits of deductible temporary differences and
operating loss carryforwards were recognized by the combined company in the
restated periods. The restatement of the provision for income taxes decreased
net income in 1994 by $5.1 million. The combined financial results also include
adjustments, which were immaterial to the combined financial statements, to
conform accounting policies of the two companies. Adjustments made to conform
the accounting policies of the two companies decreased net income by $0.2
million in 1995 and 1994. All other adjustments consist of reclassifications to
conform financial statement presentation. There were no intercompany
transactions between the two companies for the periods presented. In connection
with the merger, the Company recorded a $5.6 million nonrecurring charge for
transaction costs consisting primarily of professional fees.
 
D. FINANCIAL INSTRUMENTS
 
  Cash Equivalents
 
     The Company considers all highly liquid investments with original
maturities of three months or less at date of acquisition to be cash
equivalents.
 
  Marketable Securities
 
     The Company classifies investments in marketable securities as trading,
available-for-sale or held-to-maturity at the time of purchase and periodically
re-evaluates such classification. There were no securities classified as trading
as of December 31, 1996 or 1995. Securities are classified as held-to-maturity
when the Company has the positive intent and ability to hold the securities to
maturity. Held-to-maturity securities are stated at cost with corresponding
premiums or discounts amortized over the life of the investment to interest
income. Securities not classified as held-to-maturity are classified as
available-for-sale and reported at fair market value. Unrealized gains or losses
on available-for-sale securities, if material, are included, net of tax, in
shareholders equity until disposition. Realized gains and losses and declines in
value judged to be other-than-
 
                                       18
<PAGE>   20
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
temporary on available-for-sale securities are included in interest income. The
cost of securities sold is based on the specific identification method.
 
     The fair market value of cash equivalents and short-term and long-term
investments in marketable securities is substantially equal to the carrying
value and represents the quoted market prices at the balance sheet dates. The
short-term investments mature in less than one year. Long-term investments have
maturities of one to five years. At December 31, 1996 and 1995 these investments
are reported as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                               1996                       1995
                                                      -----------------------    -----------------------
                                                      AVAILABLE-    HELD-TO-     AVAILABLE-    HELD-TO-
                                                       FOR-SALE     MATURITY      FOR-SALE     MATURITY
                                                      ----------    ---------    ----------    ---------
<S>                                                     <C>          <C>          <C>           <C>
Short-term marketable securities:
U.S. Treasury and government agency securities......    $  8,575     $34,476                    $93,662
Corporate debt securities...........................       5,215
                                                        --------     -------      ---------     -------
                                                        $ 13,790     $34,476                    $93,662
                                                        ========     =======      =========     =======
Long-term marketable securities:
U.S. Treasury and government agency securities......    $ 74,675     $61,047
Corporate debt securities...........................      46,054
                                                        --------     -------      ---------     -------
                                                        $120,729     $61,047
                                                        ========     =======      =========     =======
</TABLE>
 
  Other
 
     For all other balance sheet financial instruments the carrying amount
approximates fair value.
 
  Off-Balance Sheet Risk
 
     The Company regularly enters into forward contracts in European and
Japanese currencies to hedge its overseas net monetary position and firm
commitments. These contracts are used to reduce the Company's risk associated
with exchange rate movements, as gains and losses on these contracts are
intended to offset exchange losses and gains on underlying exposures. The
Company does not engage in currency speculation. Forward currency contracts have
maturities of less than one year, unless they relate to long term sales
contracts denominated in a non U.S. currency; these maturities are from one to
three years.
 
     At December 31, 1996, the Company had the following forward currency
contracts to buy U.S. dollars for non U.S. currencies with notional amounts
totaling $48.8 million: $15.8 million Japanese yen, $14.0 million German
deutschemark, $8.7 million British pound sterling, and $10.3 million various
other European currencies. In addition, the Company had forward currency
contracts to sell U.S. dollars for German deutschemarks with notional amounts of
$11.2 million. At December 31, 1995 the face amount of outstanding forward
currency contracts to buy and sell U.S. dollars for non U.S. currencies was
$66.3 million and $22.9 million, respectively.
 
     The fair value of these contracts as of December 31, 1996 and 1995,
determined by applying year end currency exchange rates to the notional contract
amounts, represented a net unrealized gain (loss) of $0.1 million and $(4.4)
million, respectively. The Company's policy is to defer gains and losses on
these contracts until the corresponding losses and gains are recognized on the
items being hedged. At December 31, 1995, a net $1.0 million loss was included
in other current assets. The entire net loss was recognized during 1996 to
offset currency transaction gains on hedged items.
 
  Concentration of Credit Risk
 
     Financial instruments which potentially subject the Company to
concentrations of credit risk consist principally of cash investments, forward
currency contracts, and accounts receivable. The Company maintains
 
                                       19
<PAGE>   21
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
cash investments primarily in U.S. Treasury and government agency securities and
corporate debt securities, rated A1 or higher, which have minimal credit risk.
The Company places forward currency contracts with high credit-quality financial
institutions, in order to minimize credit risk exposure. Concentrations of
credit risk with respect to accounts receivable are limited due to the large
number of diverse and geographically dispersed customers.
 
E. DEBT
 
     Long-term debt at December 31, 1996 and 1995 consisted of the following (in
thousands):
 
<TABLE>
<CAPTION>
                                                                        1996        1995
                                                                       -------     -------
    <S>                                                                <C>         <C>
    Mortgage notes payable...........................................  $10,294     $10,452
    Capital equipment notes payable..................................    3,701       6,534
    Other long-term debt.............................................    3,433       3,775
                                                                       -------     -------
              Total..................................................   17,428      20,761
    Less current maturities..........................................    1,778       2,082
                                                                       -------     -------
                                                                       $15,650     $18,679
                                                                       =======     =======
</TABLE>
 
     The total maturities of long-term debt for the succeeding five years and
thereafter are: 1997 -- $1.8 million; 1998 -- $2.4 million; 1999 -- $1.5
million; 2000 -- $0.5 million; 2001 -- $0.5 million and $10.7 million
thereafter.
 
  Revolving Credit Agreement
 
     On January 31, 1996, the Company increased its available revolving credit
line to $120.0 million from $80.0 million. The revolving credit agreement is in
effect through January 31, 1999. At expiration of the revolver, any amounts
outstanding are converted into a two year term note. As of December 31, 1996, no
amounts were outstanding under this agreement. The terms of this line of credit
include restrictive covenants regarding working capital, tangible net worth, and
leverage. Interest rates on borrowings are either at the stated prime rate,
based upon Eurocurrency, or certificate of deposit interest rates. Pursuant to
the terms of the credit agreement, the Company may incur additional borrowings
indebtedness of up to $30.0 million are permitted outside the agreement provided
that the liabilities of the Company, exclusive of deferred income taxes and
subordinated debt, shall not exceed 100% of the Company's tangible net worth.
 
  Mortgage Notes Payable
 
     The Company received a loan of $4.5 million from the Boston Redevelopment
Authority in the form of a 3% mortgage loan maturing March 31, 2013. This loan
is collateralized by a mortgage on the Company's property at 321 Harrison Avenue
which may, at the Company's option, become subordinated to another mortgage up
to a maximum of $5.0 million. Interest for the first 4 1/2 years of the note was
capitalized up to a principal amount of $5.0 million. Since September 30, 1987,
the Company has been making semi-annual interest payments.
 
     In conjunction with the purchase of operating facilities in San Jose, the
Company received a $5.5 million mortgage loan which matures on August 31, 2000.
The loan is collateralized by a mortgage on the San Jose operating facilities.
The loan bears interest at 8.1% per annum and is payable in 59 consecutive
monthly installments of $0.05 million with a $4.6 million balloon payment due at
maturity. The terms of this mortgage note payable require compliance with
certain restrictive financial covenants and principal prepayment clauses.
 
                                       20
<PAGE>   22
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Equipment Notes Payable
 
     Prior to its merger with the Company, Megatest entered into two capital
equipment notes payable. The first note with an original amount of $5.0 million
is payable in 48 consecutive monthly installments of principal and interest at
9.5% per annum. The second note with an original amount of $1.9 million was paid
in full in 1996. The terms of the outstanding equipment note payable require
compliance with certain restrictive financial covenants and principal prepayment
clauses.
 
  Other Long-term Debt
 
     At December 31, 1996, other long-term debt includes a Japanese
yen-denominated note with an interest rate of 2.5% (4.8% at December 31, 1995),
secured by land in Kumamoto, Japan. Interest only payments were made through
March 31, 1995. Monthly principal and interest payments began April 28, 1995 and
continue until March 30, 2007.
 
  Short-term Borrowings
 
     The weighted average interest rate on short-term borrowings outstanding as
of December 31, 1996 and 1995 was 2.0% and 4.2%, respectively.
 
F. COMMITMENTS
 
     Rental expense for the years ended December 31, 1996, 1995, and 1994 was
$14.6 million, $13.1 million, and $11.1 million, respectively. Minimum annual
rentals under all noncancellable leases are: 1997 -- $7.1 million; 1998 -- $5.0
million; 1999 -- $3.5 million; 2000 -- $1.8 million; 2001 -- $1.2 million; and
$10.8 million thereafter, totaling $29.4 million.
 
G. RETIREMENT BENEFITS
 
     The Company has defined benefit pension plans covering substantially all
domestic employees and employees of certain non U.S. subsidiaries. Benefits
under these plans are based on the employees' years of service and compensation.
The Company's funding policy is to make contributions to the plans in accordance
with local laws and to the extent that such contributions are tax deductible.
The assets of the plans consist primarily of equity and fixed income securities.
 
     The components of net periodic pension cost were (in thousands):
 
<TABLE>
<CAPTION>
                                                             1996        1995        1994
                                                            -------     -------     -------
    <S>                                                     <C>         <C>         <C>
    Service cost..........................................  $ 4,398     $ 3,211     $ 3,627
    Interest cost.........................................    4,894       4,012       3,708
    Actual return on plan assets..........................   (6,676)     (9,514)      1,537
    Net amortization and deferral.........................    3,002       5,853      (4,371)
                                                            -------     -------     -------
                                                            $ 5,618     $ 3,562     $ 4,501
                                                            =======     =======     =======
</TABLE>
 
                                       21
<PAGE>   23
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following table sets forth the plans' funded status at December 31 (in
thousands):
 
<TABLE>
<CAPTION>
                                                         1996                          1995
                                              --------------------------    --------------------------
                                              U.S. PLAN   NON U.S. PLANS    U.S. PLAN   NON U.S. PLANS
                                              ---------   --------------    ---------   --------------
<S>                                           <C>         <C>               <C>         <C>
Actuarial present value of projected benefit
  obligation:
  Vested benefits...........................  $ (50,676)    $   (6,627)     $ (45,273)    $   (5,981)
  Non-vested benefits.......................     (2,933)          (952)        (2,634)          (695)
                                               --------       --------       --------        -------
  Accumulated benefit obligation............    (53,609)        (7,579)       (47,907)        (6,676)
  Effect of projected future compensation
     levels.................................    (10,997)        (2,606)        (9,306)        (2,742)
                                               --------       --------       --------        -------
  Total projected benefit obligation........    (64,606)       (10,185)       (57,213)        (9,418)
Plan assets at fair market value............     55,926          5,850         48,773          5,081
                                               --------       --------       --------        -------
Projected benefit obligation in excess of
  plan assets...............................     (8,680)        (4,335)        (8,440)        (4,337)
Unrecognized prior service cost.............      2,697                         3,076
Unrecognized net loss (gain)................      8,673           (622)        13,587           (821)
Unrecognized net (asset) liability at
  transition................................                       973           (242)         1,308
Minimum pension liability adjustment........                       (99)                         (214)
                                               --------       --------       --------        -------
Net pension asset (liability)...............  $   2,690     $   (4,083)     $   7,981     $   (4,064)
                                               ========       ========       ========        =======
Actuarial assumptions:
  Discount rate.............................       7.25%    4.50%-7.75%          7.25%    4.50%-8.00%
  Average increase in compensation levels...       5.00%    3.50%-5.25%          5.00%    3.60%-5.50%
  Expected long-term return on assets.......       9.00%    4.50%-9.25%          9.00%    4.50%-9.50%
</TABLE>
 
     In addition to the above plans, the Company has an unfunded supplemental
defined benefit pension plan in the United States to provide retirement benefits
in excess of levels allowed by the Employee Retirement Income Security Act
(ERISA). The actuarial present value of accumulated plan benefits totaled $2.7
million and $1.9 million at December 31, 1996 and 1995, respectively. Net
pension expense was $0.7 million, $0.5 million, and $0.4 million in 1996, 1995,
and 1994, respectively.
 
     In 1996, the Company announced a voluntary early retirement incentive
program to certain employees. The special termination benefits include enhanced
pension benefits to the employees and medical and dental benefits to the
employees and their spouses. Pension benefits of $2.6 million to be paid from
the Company's existing pension plans were accrued at December 31, 1996 relating
to this program. In addition, the Company accrued $2.5 million for
postretirement medical and dental benefits.
 
H. STOCK REPURCHASE PROGRAM
 
     During August 1996, the Company's Board of Directors authorized the
purchase in the open market of up to 5.0 million shares of its common stock to
offset shares issued under the Company's stock based compensation plans. During
1996, the Company repurchased 1.4 million shares at a cost of $29.8 million.
 
I. STOCK BASED COMPENSATION
 
     At December 31, 1996, the Company had both stock option plans and Stock
Purchase Plans. The Company applies APB Opinion 25 and related interpretations
in accounting for its plans. Under APB Opinion 25, no compensation cost has been
recognized. Statement of Financial Accounting Standards (SFAS) No. 123 requires
companies to disclose pro forma net income and earnings per share amounts under
the new fair value method. The effects of applying SFAS No. 123 in this pro
forma disclosure are not indicative of future amounts. SFAS No. 123 does not
apply to awards made prior to 1995. Additional awards
 
                                       22
<PAGE>   24
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
in future years are anticipated. Had compensation cost for the Company's stock
based compensation plans been determined based on the fair value at the grant
dates for awards under those plans consistent with SFAS No. 123, the Company's
net income and earnings per share would have been reduced to the pro forma
amounts indicated below (in thousands, except per share amounts):
 
<TABLE>
<CAPTION>
                                                                       1996         1995
                                                                      -------     --------
    <S>                                                               <C>         <C>
    Net income
      As reported.................................................    $93,574     $159,284
      Pro forma...................................................     86,421      154,433
    Earnings per share
      As reported.................................................    $  1.10     $   1.89
      Pro forma...................................................       1.02         1.83
</TABLE>
 
  Stock Option Plans
 
     Under its stock option plans, all of which are fixed, the Company granted
options to certain directors, officers and employees entitling them to purchase
common stock at 100% of market value at the date of grant. Stock options granted
generally have a maximum term of five years and vest over four years.
 
     Stock option plan activity for the years 1996, 1995, and 1994 follows (in
thousands):
 
<TABLE>
<CAPTION>
                                                                1996       1995       1994
                                                                -----     ------     ------
    <S>                                                         <C>       <C>        <C>
    Outstanding at January 1..................................  7,230      7,637      7,516
      Options granted.........................................  2,401      2,717      2,244
      Options exercised.......................................   (795)    (2,790)    (1,888)
      Options canceled........................................   (333)      (334)      (235)
                                                                -----     ------     ------
    Outstanding at December 31................................  8,503      7,230      7,637
                                                                -----     ------     ------
    Exercisable at December 31................................  3,995      2,606      3,171
                                                                -----     ------     ------
    Available for grant at December 31........................  5,042      4,912      6,388
                                                                -----     ------     ------
</TABLE>
 
     Weighted average option exercise price information for the years 1996 and
1995 follows:
 
<TABLE>
<CAPTION>
                                                                          1996       1995
                                                                         ------     ------
    <S>                                                                  <C>        <C>
    Outstanding at January 1...........................................  $13.63     $ 8.92
      Options granted..................................................  $12.13     $19.80
      Options exercised................................................  $ 8.11     $ 6.92
      Options canceled.................................................  $18.61     $11.10
    Outstanding at December 31.........................................  $13.53     $13.63
    Exercisable at December 31.........................................  $12.46     $11.00
</TABLE>
 
                                       23
<PAGE>   25
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Significant option groups outstanding at December 31, 1996 and related
weighted average price and life information follows (options in thousands):
 
<TABLE>
<CAPTION>
                               OPTIONS OUTSTANDING
                    ------------------------------------------
                     WEIGHTED-                                        OPTIONS EXERCISABLE
                      AVERAGE                                      -------------------------
                     REMAINING                    WEIGHTED-                     WEIGHTED-
    RANGE OF        CONTRACTUAL                    AVERAGE                       AVERAGE
EXERCISE PRICES     LIFE (YEARS)     SHARES     EXERCISE PRICE     SHARES     EXERCISE PRICE
- ----------------    ------------     ------     --------------     ------     --------------
<S>                 <C>              <C>        <C>                <C>        <C>
$ 1.10 - $11.23         1.25          2,308         $ 8.73         1,812          $ 8.71
$11.83 - $19.63         2.90          1,927         $13.27         1,032          $13.20
$20.69 - $32.80         3.43          2,128         $20.90           760          $20.80
     $11.63             4.56          2,140         $11.63           391          $11.63
                                      -----                        -----
     Total              3.00          8,503         $13.53         3,995          $12.46
                                      =====                        =====
</TABLE>
 
     The weighted average fair value at date of grant for options granted during
1996 and 1995 was $4.79 and $8.69 per option, respectively. The fair value of
options at date of grant was estimated using the Black-Scholes model with the
following weighted average assumptions:
 
<TABLE>
<CAPTION>
                                                                             1996     1995
                                                                             ----     ----
    <S>                                                                      <C>      <C>
    Expected life (years)..................................................   3.9      4.2
    Interest rate..........................................................   6.7%     7.3%
    Volatility.............................................................  41.8%    39.9%
    Dividend yield.........................................................   0.0%     0.0%
</TABLE>
 
  Employee Stock Purchase Plans
 
     Under the Company's 1979 Stock Purchase Plan, employees were entitled to
purchase shares of common stock through payroll deductions of up to 10% of their
compensation. The price paid for the common stock was equal to 85% of the lower
of the fair market value of the Company's common stock on either the first or
last business day of the year. In January 1997, the Company issued 506,820
shares of common stock to employees who participated in the Plan during 1996 at
a price of $20.82 per share. No future shares will be issued under this plan.
 
     During 1996, the Company adopted the 1996 Employee Stock Purchase Plan and
authorized 700,000 shares for future issuance. Under this plan, eligible
employees may purchase shares of common stock through payroll deductions of up
to 10% of their compensation. The price paid for the common stock is equal to
85% of the lower of the fair market value of the Company's common stock on the
first business day in January (July for new hires) or the last business day of
December. In January 1997, the Company issued 15,557 shares of common stock to
employees who participated in the plan during 1996 at a price of $15.09 per
share. Currently, there are 684,443 shares reserved for issuance.
 
     The weighted-average fair value of purchase rights granted in 1996 and 1995
was $5.22 and $3.07, respectively. The fair value of the employees' purchase
rights was estimated using the Black-Scholes model with the following
assumptions for 1996 and 1995, respectively; dividend yield of 0.0% for both
years; an expected life of 1 year for both years; expected volatility of 44.7%
and 38.8%; and risk-free interest rates of 5.2% and 7.1%.
 
J. SAVINGS PLANS
 
     The Company sponsors a Savings Plan covering substantially all U.S.
employees. Under this plan, employees may contribute up to 12% of their
compensation (subject to Internal Revenue Service limitations). The Company
annually matches employee contributions up to 6% of such compensation at rates
ranging from
 
                                       24
<PAGE>   26
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
50% to 100%. The Company's contributions vest after two years, although
contributions for those employees with five years of service vest immediately.
 
     The trustees of the Savings Plan were granted an option to purchase 0.9
million shares of the Company's common stock, exercisable at $9.50 per share
(the fair market value of the Company's common stock at the date of the grant)
in five cumulative annual installments beginning in 1990. In 1994, the trustees
exercised the remaining shares. Under the terms of the Plan, any gains realized
from the sale of option shares were first allocated to participants' accounts to
fund up to one-half of the minimum Company contribution. Any excess was applied
to additional funding.
 
     In 1994, the Company established a Supplemental Savings Plan to provide
savings benefits in excess of those allowed by ERISA. The provisions of which
are the same as the Savings Plan.
 
     Under these plans, the amounts charged to operations were $6.3 million in
1996, $8.3 million in 1995, and $2.0 million in 1994.
 
K. STOCKHOLDER RIGHTS PLAN
 
     The Company's Board of Directors adopted a Stockholder Rights Plan on March
14, 1990, under which a dividend of one Common Stock Purchase Right was
distributed for each outstanding share of Common Stock. The Plan entitles Stock
Purchase Right holders to purchase shares of the Company's common stock for $20
per share in certain events, such as a tender offer to acquire 30% or more of
the Company's outstanding shares. Under some circumstances, such as a
determination by continuing Directors, that an acquiring party's interests are
adverse to those of the Company, the Plan entitles such holders (other than an
acquiring party or adverse party) to purchase $40 worth of Common Stock (or
other securities or consideration owned by the Company) for $20. The Rights will
expire March 26, 2000 unless earlier redeemed by the Company.
 
L. INCOME TAXES
 
     The components of income before income taxes and the provision for income
taxes as shown in the consolidated statements of income are as follows (in
thousands):
 
<TABLE>
<CAPTION>
                                                               1996       1995       1994
                                                             --------   --------   --------
    <S>                                                      <C>        <C>        <C>
    Income before income taxes:
      United States........................................  $106,708   $212,551   $ 96,406
      Non U.S..............................................    32,955     37,374     17,619
                                                             --------   --------   --------
                                                             $139,663   $249,925   $114,025
                                                             ========   ========   ========
    Provision (credit) for income taxes:
      Current:
         U.S. Federal......................................  $ 40,033   $ 66,228   $ 26,395
         Non U.S...........................................    14,802     12,604      2,924
         State.............................................     5,861      7,889      4,441
                                                             --------   --------   --------
                                                               60,696     86,721     33,760
                                                             --------   --------   --------
      Deferred:
         U.S. Federal......................................   (13,667)      (241)     3,834
         Non U.S...........................................      (632)     3,654        492
         State.............................................      (308)       507       (451)
                                                             --------   --------   --------
                                                              (14,607)     3,920      3,875
                                                             --------   --------   --------
                                                             $ 46,089   $ 90,641   $ 37,635
                                                             ========   ========   ========
</TABLE>
 
                                       25
<PAGE>   27
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Significant components of the Company's deferred tax assets (liabilities)
as of December 31, 1996 and 1995 are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                                       1996         1995
                                                                     --------     --------
    <S>                                                              <C>          <C>
    Deferred tax assets:
      Inventory valuations.........................................  $ 19,148     $  4,863
      Accruals.....................................................     2,680        1,470
      Vacation.....................................................     4,200        4,324
      In process research and development..........................     2,726        3,374
      Deferred revenue.............................................     1,488        5,748
      U.S. federal operating loss carryforwards....................       341        1,050
      Tax credits..................................................     8,457        4,097
      Other........................................................     2,732        1,260
                                                                     --------     --------
    Total deferred tax assets......................................    41,772       26,186
                                                                     --------     --------
    Deferred tax liabilities:
      Excess of tax over book depreciation.........................   (14,919)     (14,871)
      Amortization.................................................    (2,531)      (2,853)
      Pension......................................................    (1,349)      (1,332)
      Other........................................................    (4,531)      (3,295)
                                                                     --------     --------
    Total deferred tax liabilities.................................   (23,330)     (22,351)
                                                                     --------     --------
    Net deferred asset.............................................  $ 18,442     $  3,835
                                                                     ========     ========
</TABLE>
 
     A reconciliation of the effective tax rate for the years 1996, 1995, and
1994 follows:
 
<TABLE>
<CAPTION>
                                                                 1996       1995       1994
                                                                 ----       ----       ----
    <S>                                                          <C>        <C>        <C>
    U.S. statutory federal tax rate............................  35.0%      35.0%      35.0%
    State income taxes, net of federal tax benefit.............   2.6        2.0        2.7
    Utilization of operating loss carryforwards................              0.3
    Tax credits................................................  (1.0)      (0.6)      (2.6)
    Domestic export sales corporation..........................  (2.9)      (2.3)      (2.6)
    Non-deductible merger costs................................              0.8
    Change in valuation allowance..............................             (0.8)      (1.7)
    Other, net.................................................  (0.7)       1.9        2.2
                                                                 ----       ----       ----
                                                                 33.0%      36.3%      33.0%
                                                                 ====       ====       ====
</TABLE>
 
     At December 31, 1996 the Company had U.S. Federal operating loss
carryforwards of approximately $1.0 million. These operating loss carryforwards
expire in the years 2000 through 2002. The Company has approximately $4.1
million of U.S. business tax credit carryforwards. Approximately $2.6 million of
these credits expire in the years 1997 through 1999, and $1.5 million expire in
the years 2003 through 2007. All of these losses and credits are limited in
their use by "change in ownership" rules as defined in the Internal Revenue Code
of 1986.
 
M. INDUSTRY SEGMENT AND GEOGRAPHIC INFORMATION
 
     The Company operates in two industry segments, which are the design,
manufacturing and marketing of electronic test systems and backplane connection
systems. Corporate assets consist of cash and cash equivalents, marketable
securities, and certain other assets.
 
                                       26
<PAGE>   28
 
                                 TERADYNE, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                   ELECTRONIC   BACKPLANE
                                                      TEST      CONNECTION
                                                    SYSTEMS      SYSTEMS      CORPORATE
                                                    INDUSTRY     INDUSTRY        AND
                                                    SEGMENT      SEGMENT     ELIMINATIONS   CONSOLIDATED
                                                   ----------   ----------   ------------   ------------
                                                                      (IN THOUSANDS)
<S>                                                <C>           <C>           <C>            <C>
1996  Sales to unaffiliated customers............  $  993,721    $177,894                     $1,171,615
       Intersegment sales........................                   9,065      $ (9,065)
                                                   ----------    --------      --------       ----------
       Net sales.................................     993,721     186,959        (9,065)       1,171,615
       Operating income..........................     112,036      29,561       (18,802)         122,795
       Identifiable assets.......................     490,105     113,436       493,275        1,096,816
       Property additions........................      54,694      16,666         3,869           75,229
       Depreciation and amortization expense.....      42,039       7,448         1,416           50,903
1995  Sales to unaffiliated customers............  $1,035,721    $155,301                     $1,191,022
       Intersegment sales........................                  12,325      $(12,325)
                                                   ----------    --------      --------       ----------
       Net sales.................................   1,035,721     167,626       (12,325)       1,191,022
       Operating income..........................     237,101      22,778       (15,523)         244,356
       Identifiable assets.......................     640,597      91,205       292,029        1,023,831
       Property additions........................      77,552      12,038         3,611           93,201
       Depreciation and amortization expense.....      37,274       4,670         1,202           43,146
1994  Sales to unaffiliated customers............  $  645,929    $131,802                     $  777,731
       Intersegment sales........................                   5,050      $ (5,050)
                                                   ----------    --------      --------       ----------
       Net sales.................................     645,929     136,852        (5,050)         777,731
       Operating income..........................     102,884      18,449       (13,305)         108,028
       Identifiable assets.......................     440,117      82,820       236,543          759,480
       Property additions........................      30,835       9,005           855           40,695
       Depreciation and amortization expense.....      31,847       5,754           841           38,442
</TABLE>
 
     The Company's sales, including domestic export and non U.S. jurisdictional
sales (which amounted to less than 10% of total net sales in all periods
presented) to unaffiliated customers for the three years ended December 31 were
made in the following geographic areas:
 
<TABLE>
<CAPTION>
                                                         1996           1995          1994
                                                      ----------     ----------     --------
                                                      (IN THOUSANDS)
    <S>                                               <C>            <C>            <C>
    Sales to unaffiliated customers:
      United States.................................  $  536,826     $  566,337     $416,199
      Asia Pacific region...........................     209,429        256,901      138,458
      Europe........................................     241,244        222,194      133,127
      Japan.........................................     139,095         94,706       68,019
      Other.........................................      45,021         50,884       21,928
                                                      ----------     ----------     --------
                                                      $1,171,615     $1,191,022     $777,731
                                                      ==========     ==========     ========
</TABLE>
 
     See "Item 1: Business -- Marketing and Sales" elsewhere in this report for
information on the Company's export and non U.S. jurisdictional activities,
identifiable assets of non U.S. subsidiaries, and major customers.
 
                                       27
<PAGE>   29
 
                           SUPPLEMENTARY INFORMATION
                                  (UNAUDITED)
 
     The following sets forth certain unaudited consolidated quarterly
statements of operations data for each of the Company's last eight quarters. In
management's opinion, this quarterly information reflects all adjustments,
consisting only of normal recurring adjustments, necessary for a fair
presentation for the periods presented. Such quarterly results are not
necessarily indicative of future results of operations and should be read in
conjunction with the audited consolidated financial statements of the Company
and the notes thereto included elsewhere herein.
 
<TABLE>
<CAPTION>
                                                                           1996
                                               ------------------------------------------------------------
                                               1ST QUARTER     2ND QUARTER      3RD QUARTER     4TH QUARTER
                                               -----------     ------------     -----------     -----------
<S>                                              <C>             <C>              <C>             <C>
Net sales....................................    $348,967        $319,690         $261,671        $241,287
Expenses:
  Cost of sales..............................     186,637         214,718          163,747         159,522
  Engineering and development................      36,740          38,426           35,022          33,743
  Selling and administrative.................      46,929          42,556           41,535          49,245
                                                 --------        --------         --------        --------
                                                  270,306         295,700          240,304         242,510
                                                 --------        --------         --------        --------
Income (loss) from operations................      78,661          23,990           21,367          (1,223)
Other income (expense):
  Interest income............................       3,759           4,162            5,089           6,285
  Interest expense...........................        (642)           (610)            (513)           (662)
                                                 --------        --------         --------        --------
Income before income taxes...................      81,778          27,542           25,943           4,400
Provision for income taxes...................      28,623           9,640            6,374           1,452
                                                 --------        --------         --------        --------
Net income...................................    $ 53,155        $ 17,902         $ 19,569        $  2,948
                                                 --------        --------         --------        --------
Net income per common share..................    $   0.63        $   0.21         $   0.23        $   0.03
                                                 ========        ========         ========        ========
</TABLE>
 
<TABLE>
<CAPTION>
                                                                           1995
                                               ------------------------------------------------------------
                                               1ST QUARTER     2ND QUARTER      3RD QUARTER     4TH QUARTER
                                               -----------     ------------     -----------     -----------
<S>                                              <C>             <C>              <C>             <C>
Net sales....................................    $232,158        $284,849         $322,658        $351,357
Expenses:
  Cost of sales..............................     131,625         152,683          172,316         189,758
  Engineering and development................      24,986          30,795           32,966          34,740
  Selling and administrative.................      38,919          42,715           45,353          49,810
                                                 --------        --------         --------        --------
                                                  195,530         226,193          250,635         274,308
                                                 --------        --------         --------        --------
Income from operations.......................      36,628          58,656           72,023          77,049
Other income (expense):
  Merger expenses............................                                                       (5,600)
  Interest income............................       3,085           3,547            3,670           3,907
  Interest expense...........................        (533)           (730)            (715)         (1,062)
                                                 --------        --------         --------        --------
Income before income taxes...................      39,180          61,473           74,978          74,294
Provision for income taxes...................      14,706          22,666           26,756          26,513
                                                 --------        --------         --------        --------
Net income...................................    $ 24,474        $ 38,807         $ 48,222        $ 47,781
                                                 --------        --------         --------        --------
Net income per common share..................    $   0.30        $   0.46         $   0.57        $   0.56
                                                 ========        ========         ========        ========
</TABLE>
 
                                       28
<PAGE>   30
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
     In our opinion, the consolidated balance sheet and related consolidated
statements of operations, of stockholders' equity and of cash flows of Megatest
Corporation (not presented separately herein) present fairly, in all material
respects, the financial position of Megatest Corporation and its subsidiaries at
August 31, 1994, and the results of their operations and their cash flows for
the year ended August 31, 1994, in conformity with generally accepted accounting
principles. These financial statements are the responsibility of the Company's
management; our responsibility is to express an opinion on these financial
statements based on our audit. We conducted our audit of these statements in
accordance with generally accepted auditing standards which require that we plan
and perform the audit to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements, assessing the accounting principles used and significant estimates
made by management, and evaluating the overall financial statement presentation.
We believe that our audit provides a reasonable basis for the opinion expressed
above.
 
     As discussed in Note 1 to the consolidated financial statements referred to
above (and not included herein), Megatest Corporation changed its method of
accounting for income taxes effective September 1, 1993.
 
PRICE WATERHOUSE LLP
 
San Jose, California
September 20, 1995
 
                                       29
<PAGE>   31
 
ITEM 9:  CHANGES AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL
DISCLOSURE.
 
     None.
 
                                    PART III
 
ITEM 10:  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.
 
     Certain information relating to directors and executive officers of the
Company, executive compensation, security ownership of certain beneficial owners
and management, and certain relationships and related transactions is
incorporated by reference herein from the Company's definitive proxy statement
in connection with its Annual Meeting of Shareholders to be held on May 15,
1997, which proxy statement will be filed with the Securities and Exchange
Commission not later than 120 days after the close of the fiscal year. For this
purpose, the Management Compensation and Development Committee Report and
Performance Graph included in such proxy statement are specifically not
incorporated herein. (Also see "Item 1 -- Executive Officers of the Company"
elsewhere in this report.)
 
ITEM 11:  EXECUTIVE COMPENSATION.
 
     Certain information relating to directors and executive officers of the
Company, executive compensation, security ownership of certain beneficial owners
and management, and certain relationships and related transactions is
incorporated by reference herein from the Company's definitive proxy statement
in connection with its Annual Meeting of Shareholders to be held on May 15,
1997, which proxy statement will be filed with the Securities and Exchange
Commission not later than 120 days after the close of the fiscal year. For this
purpose, the Management Compensation and Development Committee Report and
Performance Graph included in such proxy statement are specifically not
incorporated herein.
 
ITEM 12:  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.
 
     Certain information relating to directors and executive officers of the
Company, executive compensation, security ownership of certain beneficial owners
and management, and certain relationships and related transactions is
incorporated by reference herein from the Company's definitive proxy statement
in connection with its Annual Meeting of Shareholders to be held on May 15,
1997, which proxy statement will be filed with the Securities and Exchange
Commission not later than 120 days after the close of the fiscal year. For this
purpose, the Management Compensation and Development Committee Report and
Performance Graph included in such proxy statement are specifically not
incorporated herein.
 
ITEM 13:  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.
 
     Certain information relating to directors and executive officers of the
Company, executive compensation, security ownership of certain beneficial owners
and management, and certain relationships and related transactions is
incorporated by reference herein from the Company's definitive proxy statement
in connection with its Annual Meeting of Shareholders to be held on May 15,
1997, which proxy statement will be filed with the Securities and Exchange
Commission not later than 120 days after the close of the fiscal year. For this
purpose, the Management Compensation and Development Committee Report and
Performance Graph included in such proxy statement are specifically not
incorporated herein.
 
                                       30
<PAGE>   32
 
                                    PART IV
 
ITEM 14:  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
 
     (a) 1.  Financial Statements
 
     The following consolidated financial statements are included in Item 8:
 
        Balance Sheets as of December 31, 1996 and 1995
 
        Statements of Income for the years ended December 31, 1996, 1995, and
           1994
 
        Statements of Cash Flows for the years ended December 31, 1996, 1995,
           and 1994
 
        Statements of Changes in Shareholders' Equity for the years ended
           December 31, 1996, 1995, and 1994
 
     (a) 2.  Financial Statement Schedules
 
     Financial statement schedules have been omitted since either they are not
required or the information is otherwise included.
 
     (a) 3.  Listing of Exhibits
 
     The Exhibits which are filed with this report or which are incorporated by
reference herein are set forth in the Exhibit Index.
 
     (b) Report on Form 8-K
 
     There have been no Form 8-K filings during the three months ended December
31, 1996.
 
                                       31
<PAGE>   33
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized this 26th day of March,
1997.
 
                                          TERADYNE, INC.
 
                                          By:           OWEN W. ROBBINS
                                            ------------------------------------
                                                      Owen W. Robbins,
                                                  Executive Vice President
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                SIGNATURE                                 TITLE                     DATE
- ------------------------------------------  ---------------------------------  ---------------
<C>                                         <C>                                <S>
         ALEXANDER V. D'ARBELOFF                  Chairman of the Board        March 26, 1997
- ------------------------------------------     and Chief Executive Officer
         Alexander V. d'Arbeloff

           JAMES A. PRESTRIDGE               Vice Chairman of the Board and    March 26, 1997
- ------------------------------------------      Executive Vice President
           James A. Prestridge
 
             OWEN W. ROBBINS                 Vice Chairman of the Board and    March 26, 1997
- ------------------------------------------      Executive Vice President
             Owen W. Robbins                  (Principal Financial Officer)
 
           GEORGE W. CHAMILLARD                President, Chief Operating      March 26, 1997
- ------------------------------------------  Officer, and Member of the Board
           George W. Chamillard
 
             DONALD J. HAMMAN                          Controller              March 26, 1997
- ------------------------------------------   (Principal Accounting Officer)
             Donald J. Hamman
 
              EDWIN L. ARTZT                            Director               March 26, 1997
- ------------------------------------------
              Edwin L. Artzt
 
             JAMES W. BAGLEY                            Director               March 26, 1997
- ------------------------------------------
             James W. Bagley
 
             ALBERT CARNESALE                           Director               March 26, 1997
- ------------------------------------------
             Albert Carnesale
 
            DANIEL S. GREGORY                           Director               March 26, 1997
- ------------------------------------------
            Daniel S. Gregory
 
            DWIGHT H. HIBBARD                           Director               March 26, 1997
- ------------------------------------------
            Dwight H. Hibbard
</TABLE>
 
                                       32
<PAGE>   34
 
<TABLE>
<CAPTION>
                SIGNATURE                                 TITLE                     DATE
                ---------                                 -----                     ----
<S>                                                     <C>                    <C>
 
             JOHN P. MULRONEY                           Director               March 26, 1997
- ------------------------------------------
             John P. Mulroney
 

             RICHARD J. TESTA                           Director               March 26, 1997
- ------------------------------------------
             Richard J. Testa
 

           PATRICIA S. WOLPERT                          Director               March 26, 1997
- ------------------------------------------
           Patricia S. Wolpert
</TABLE>
 
                                       33
<PAGE>   35
 
                                 EXHIBIT INDEX
 
     The following designated exhibits are, as indicated below, either filed
herewith or have heretofore been filed with the Securities and Exchange
Commission and are referred to and incorporated by reference to such filings.
 
<TABLE>
<CAPTION>
  EXHIBIT NO.                  DESCRIPTION                        SEC DOCUMENT REFERENCE
  -----------                  -----------                        ----------------------
  <S>             <C>                                      <C>
      2.0         Agreement and Plan of Merger and         Exhibit 2.0 to the Company's
                  Reorganization, as amended, dated        Registration Statement on Form S-4
                  September 5, 1995, by and among the      (Registration Statement No.
                  Company, M Merger Corp., and Megatest    33-63781).
                  Corporation

      3.1         Restated Articles of Organization of     Exhibit 4.1 to the Company's Form S-3
                  the Company, as amended                  Registration Statement No. 33-44347,
                                                           effective December 12, 1991.

      3.2         Amendment, dated May 23, 1996, to
                  Restated Articles of Organization of
                  the Company, as amended

      3.3         Amended and Restated Bylaws of the
                  Company

      4.1         Rights Agreement between the Company     Exhibit 4.1 to the Company's Current
                  and The First National Bank of Boston    Report on Form 8-K dated March 15,
                  dated as of March 14, 1990               1990.

     10.1         Multicurrency Revolving Credit           Exhibit to the Company's Quarterly
                  Agreement dated April 29, 1991           Report on Form 10-Q for the quarterly
                                                           period ended March 30, 1991.

     10.2         First Amendment to Multicurrency         Exhibit 3.10 (ii) to the Company's
                  Revolving Credit Agreement dated as      Annual Report on Form 10-K for the
                  of March 5, 1993                         fiscal year ended December 31, 1992.

     10.3         Second Amendment to Multicurrency        Exhibit 10.3 to the Company's Annual
                  Revolving Credit Agreement dated as      Report on Form 10-K for the fiscal
                  of January 31, 1996                      year ended December 31, 1995.

     10.4         1987 Non-Employee Director Stock         Exhibit 3.10 (iii) to the Company's
                  Option Plan                              Annual Report on Form 10-K for the
                                                           fiscal year ended December 31, 1992.

     10.5         Teradyne, Inc. Supplemental Executive    Exhibit 3.10 (iv) to the Company's
                  Retirement Plan                          Annual Report on Form 10-K for the
                                                           fiscal year ended December 31, 1992.

     10.6         1991 Employee Stock Option Plan, as      Exhibit 4.2 to the Company's
                  amended                                  Registration Statement on Form S-8
                                                           (Registration Statement No.
                                                           33-07177).

     10.7         1979 Stock Purchase Plan, as amended     Exhibit 10.6 to the Company's Annual
                                                           Report on Form 10-K for the fiscal
                                                           year ended December 31, 1994.

     10.8         1990 Megatest Stock Option Plan          Exhibit 4.1 to the Company's
                                                           Registration Statement on Form S-8
                                                           (Registration Statement No.
                                                           33-64683).

     10.9         Megatest Corporation Director Stock      Exhibit 4.2 to the Company's
                  Option Plan                              Registration Statement on Form S-8
                                                           (Registration Statement No.
                                                           33-64683).

     10.10        1996 Stock Purchase Plan                 Exhibit 4.1 to the Company's
                                                           Registration Statement on Form S-8
                                                           (Registration Statement No.
                                                           33-07177).

     10.11        Master Lease Agreement between           Exhibit 10.10 to the Company's Annual
                  Megatest and General Electric Capital    Report on Form 10-K for the fiscal
                  Corporation dated August 10, 1995        year ended December 31, 1995.
</TABLE>
 
                                       34
<PAGE>   36
 
<TABLE>
<CAPTION>
  EXHIBIT NO.                  DESCRIPTION                        SEC DOCUMENT REFERENCE
  -----------     -------------------------------------    -------------------------------------
  <C>             <S>                                      <C>
     10.12        Loan and Security Agreement between      Exhibit 10.11 to the Company's Annual
                  Megatest and the CIT Group/Equipment     Report on Form 10-K for the fiscal
                  Financing, Inc. dated August 14, 1995    year ended December 31, 1995.

     10.13        Deed of Trust, Financing Statement,      Exhibit 10.12 to the Company's Annual
                  Security Agreement and Fixture Filing    Report on Form 10-K for the fiscal
                  between Megatest and the Sun Life        year ended December 31, 1995.
                  Assurance Company of Canada (U.S.)
                  dated August 25, 1995

     10.14        1997 Employee Stock Option Plan

     10.15        Letter Agreement dated January 24,
                  1997 between the Company and
                  Executive Officer.

     22.1         Subsidiaries of the Company

     23.1         Consent of Coopers & Lybrand L.L.P.

     23.2         Consent of Price Waterhouse L.L.P.

     27.0         Financial Data Schedule
</TABLE>
 
                                       35

<PAGE>   1
                                                                     EXHIBIT 3.2


                       THE COMMONWEALTH OF MASSACHUSETTS

                             William Francis Galvin
                         Secretary of the Commonwealth

                ONE ASHBURTON PLACE, BOSTON, MASSACHUSETTS 02108

                             ARTICLES OF AMENDMENT
                     GENERAL LAWS, CHAPTER 156B, SECTION 72

We      George W. Chamillard                            President and
        Donald G. Leka                                  Assistant Clerk of

                        Teradyne, Inc.
                        -------------------------------------
                            (EXACT Name of Corporation)

located at       321 Harrison Avenue, Boston, Massachusetts 02118
            --------------------------------------------------------------  
                      (MASSACHUSETTS Address of Corporation)

do hereby certify that these ARTICLES OF AMENDMENT affecting Articles 
NUMBERED: 
          ---
Article 3
- ----------------------------------------------------------------------------
   (Number those articles 1, 2, 3, 4, 5 and/or 6 being amended hereby)

of the Articles of Organization were duly adopted at a meeting held on May 23
1996 by vote of:

63,652,370 shares of Common Stock out of 71,452,818 shares outstanding,
- ----------           ------------        ----------        
                     type, class & series (if any)

           shares of             out of             shares outstanding,    
- ----------           ------------        ----------        
                     type, class & series (if any)

           shares of             out of             shares outstanding,    
- ----------           ------------        ----------        
                     type, class & series (if any)

CROSS OUT  being at least a majority of each type, class or series outstanding
INAPPLI-   and entitled to vote thereon:(1)
CABLE
CLAUSE

(1) For amendments adopted pursuant to Chapter 156B, Section 70.
(2) For amendments adopted pursuant to Chapter 156B, Section 71.

Note: If the space provided under any Amendment or item on this form is 
insufficient, additions shall be set forth on a separate 8-1/2 X 11 sheets of
paper leaving a left-hand margin of at least 1 inch for binding. Additions to
more than one Amendment may be continued on a single sheet so long as each
Amendment requiring each such addition is clearly indicated.

<PAGE>   2
TO CHANGE the number of shares and the par value (if any) of any type, class 
or series of stock which the corporation is authorized to issue, fill in the 
following:

The total presently authorized is:

- ---------------------------------------
       WITHOUT PAR VALUE STOCKS
- ---------------------------------------
TYPE                NUMBER OF SHARES
- ---------------------------------------
COMMON:
- ---------------------------------------
PREFERRED:
- ---------------------------------------


- --------------------------------------------------------
                WITH PAR VALUE STOCKS
- --------------------------------------------------------
TYPE               NUMBER OF SHARES        PAR VALUE
- --------------------------------------------------------
COMMON:              125,000,000             $0.125
- --------------------------------------------------------
PREFERRED:
- --------------------------------------------------------


CHANGE the total authorized to:

- ---------------------------------------
       WITHOUT PAR VALUE STOCKS
- ---------------------------------------
TYPE                NUMBER OF SHARES
- ---------------------------------------
COMMON:
- ---------------------------------------
PREFERRED:
- ---------------------------------------


- --------------------------------------------------------
                WITH PAR VALUE STOCKS
- --------------------------------------------------------
TYPE               NUMBER OF SHARES        PAR VALUE
- --------------------------------------------------------
COMMON:              250,000,000             $0.125
- --------------------------------------------------------
PREFERRED:
- --------------------------------------------------------
<PAGE>   3
                       THE COMMONWEALTH OF MASSACHUSETTS



                             ARTICLES OF AMENDMENT

                     GENERAL LAWS, CHAPTER 156B, section 72

     I hereby approve the within articles of amendment and, the filing fee in
the amount of $125,000.00 having been paid, said articles are deemed to have
been filed with me this 31st day of July 1996


                             WILLIAM FRANCIS GALVIN
                         Secretary of the Commonwealth




TO BE FILLED IN BY CORPORATION

PHOTOCOPY OF ARTICLES OF AMENDMENT TO BE SENT

TO: Kevin M. Barry, Esq.
    Testa, Hurwitz & Thibeault
    125 High Street
    Boston, MA 02110

<PAGE>   4
The foregoing amendment will become effective when these articles of amendment 
are filed in accordance with Chapter 156B, Section 6 of the General Laws 
unless these articles specify, in accordance with the vote adopting the 
amendment, a later effective date not more than thirty days after such filing, 
in which event the amendment will become effective on such later date. 

LATER EFFECTIVE DATE:
                     ---------------------------------------------------------

IN WITNESS WHEREOF AND UNDER THE PENALTIES OF PERJURY, we have hereunto signed 
our names this 31st day of July in the year 1996

/s/ George W. Chamillard                                   President
                        -----------------------------------

/s/ Donald G. Leka                                             Assistant Clerk
                  ---------------------------------------------

<PAGE>   1

                                                                    EXHIBIT  3.3
                                   [ANNOTATED]


                                ****************

                              AMENDED AND RESTATED
                                     BY-LAWS
                                       OF
                                 TERADYNE, INC.

                  (Amended and Restated as of January 28, 1997)

                                ****************


                                    ARTICLE I
                                    ---------
                      Name, Location, Seal and Fiscal Year
                      ------------------------------------

1.       Name.  The name of the corporation is Teradyne, Inc.
         -----  
2.       Location.   The corporation may have an office and transact business in
         ---------
Boston,  Massachusetts,  and at such  other  place  or  places  as the  Board of
Directors or stockholders may appoint.

3.       Seal.   The  seal  of  the  corporation  shall  bear the  name  of  the
         -----
corporation,  the word  Massachusetts,  the year of incorporation and such other
device or inscription  as the Board of Directors may determine.  The form of the
seal may be changed by the Board of Directors.

4.       Fiscal Year.   The  fiscal  year  of  the  corporation   shall,  unless
         ------------
otherwise  determined by the Board of  Directors,  begin on January 1 and end on
December 31.
                                   ARTICLE II
                                   ----------
                                  Stockholders
                                  ------------

1.       Annual Meeting.  The annual meeting of stockholders shall be held on
         ---------------
such date and at such time and place (within the United  States) as may be fixed
by the Board of Directors  from time to time.  The purposes for which the annual
<PAGE>   2
                                      -2-

meeting is to be held,  in addition to those  prescribed by law, the Articles of
Organization  or these  By-Laws,  may be specified by the  Directors,  the Chief
Executive  Officer or the President.  If no annual meeting is held in accordance
with the foregoing  provisions,  a special  meeting may be held in lieu thereof,
and any action taken at such  meeting  shall have the same effect as if taken at
the annual meeting.
         Except as provided in Article III,  Section 2, the only business  which
may be  conducted at any such  meeting of the  stockholders  shall (a) have been
specified in the written notice of meeting (or any supplement  thereto) given by
or at the  direction  of the  Directors,  the  Chief  Executive  Officer  or the
President,  (b) have otherwise been properly brought before the meeting by or at
the direction of the Directors, the Chief Executive Officer or the President, or
(c) have otherwise  been properly  brought before the meeting by or on behalf of
any  stockholder  who shall have been a stockholder of record on the record date
for such  meeting and who shall  continue to be  entitled  to vote  thereat.  In
addition  to any other  applicable  requirements,  for  business  to be properly
brought  before a meeting  by a  stockholder,  the  stockholder  must have given
timely notice thereof in writing to the Clerk of the corporation.  To be timely,
a  stockholder's  notice  must be  delivered  to or mailed and  received  at the
principal  executive  offices of the corporation,  not less than fifty (50) days
nor more than ninety (90) days prior to the meeting; provided,  however, that in
the event that less than sixty-five (65) days' notice or prior public disclosure
of the  date of the  meeting  is given or made to  stockholders,  notice  by the
stockholder  to be  timely  must be so  received  not  later  than the  close of
business on the  fifteenth  day following the day on which notice of the date of
the meeting  was mailed or such  public  disclosure  was made,  whichever  first
occurs.  A  stockholder's  notice to the Clerk shall set forth as to each matter
the stockholder  proposes to bring before the meeting (i) a brief description of
the  business  desired to be brought  before the  meeting  and the  reasons  for
conducting such business at the meeting, (ii) the name and record address of the
stockholder  proposing  such  business,  (iii) the class and number of shares of
capital  stock  of the  corporation  held  of  record,  owned  beneficially  and
represented  by proxy by such  stockholder as of the record date for the meeting
(if such date shall then have been made publicly  available)  and as of the date
<PAGE>   3
                                      -3-

of such notice by the stockholder, and (iv) all other information which would be
required to be  included  in a proxy  statement  filed with the  Securities  and
Exchange  Commission  if,  with  respect  to any  such  item of  business,  such
stockholder were a participant in a solicitation subject to Regulation 14A under
the Securities Exchange Act of 1934, as amended (the "Proxy Rules").
         Notwithstanding  anything in the By-Laws to the  contrary,  no business
shall be conducted at the meeting  except in accordance  with the procedures set
forth in this  Article II,  provided,  however,  that nothing in this Article II
shall be  deemed to  preclude  discussion  by any  stockholder  of any  business
properly brought before the meeting.
         The Chairman of the meeting may, if the facts  warrant,  determine  and
declare to the meeting that business was not properly brought before the meeting
in  accordance  with the  provisions  of this  Article  II,  and if he should so
determine,  he shall so  declare  to the  meeting  and  that  business  shall be
disregarded. [Section 1 restated March 13, 1991 and May 23, 1996.]

2.       Special Meetings.   Special meetings of  stockholders  may be called by
         -----------------
the Chief  Executive  Officer,  the  President  or by the  Directors.  A special
meeting  shall  be  called  by the  Clerk,  or in  case of the  death,  absence,
incapacity  or  refusal  of  the  Clerk,  by any  other  officer,  upon  written
application of one or more stockholders who hold at least 66-2/3% in interest of
the capital  stock  entitled to vote at a meeting (or such lesser  percentage in
interest as shall be the maximum percentage  permitted under Massachusetts law).
The call for the meeting  shall state the date,  hour and place and the purposes
of the meeting. [Section 2 restated September 14, 1989 and May 23, 1996.]

3.       Place of Meetings.    All meetings of stockholders shall be held at the
         ------------------
corporation  unless a different place (within the United States) is fixed by the
Directors, the Chief Executive Officer or the President and stated in the notice
of the meeting. [Section 3 restated May 23, 1996.]

4.       Notice  of  Meetings.   A  written    notice  of   every   meeting   of
         ---------------------
stockholders,  stating  the place,  date and hour  thereof,  and the purpose for
which the meeting is to be held, shall be given by the Clerk or by the person
<PAGE>   4
                                      -4-

calling the  meeting at least ten days before the meeting or such longer  period
as required  by law to each  stockholder  entitled  to vote  thereat and to each
stockholder  who by law,  the  Articles  of  Organization  or these  By-Laws  is
entitled to such notice,  by leaving such notice with him or at his residence or
usual place of business,  or by mailing it postage prepaid and addressed to such
stockholder at his address as it appears upon the books of the  corporation.  No
notice need be given to any stockholder if a written waiver of notice,  executed
before  or after  the  meeting  by the  stockholder  or his  attorney  thereunto
authorized, is filed with the records of the meeting.

5.       Quorum.  The  holders of a  majority in interest of  all stock  issued,
         -------
outstanding and entitled to vote at a meeting shall  constitute a quorum,  but a
lesser number may adjourn any meeting from time to time without  further notice;
except that if two or more classes of stock are outstanding and entitled to vote
as separate classes,  then in the case of each such class a quorum shall consist
of the  holders of a majority  in  interest  of the stock of that class  issued,
outstanding and entitled to vote.

6.       Voting and Proxies.   Each   stockholder   shall have one vote for each
         -------------------
share of stock  entitled to vote held by him of record  according to the records
of the corporation  unless  otherwise  provided by the Articles of Organization.
Stockholders may vote in person or by written proxy. Proxies shall be filed with
the Clerk of the meeting, or of any adjournment thereof,  before being voted. No
proxy dated more than six months before the meeting named therein shall be valid
and no  proxy  shall be valid  after  the  final  adjournment  of such  meeting.
Notwithstanding the provisions of the preceding  sentence,  a proxy coupled with
an  interest  sufficient  in law to support  an  irrevocable  power,  including,
without limitation,  an interest in shares or in the corporation generally,  may
be made irrevocable if it so provides,  need not specify the meeting to which it
relates,  and shall be valid and enforceable until the interest  terminates,  or
for such shorter  period as may be specified in the proxy.  A proxy with respect
to stock held in the name of two or more  persons  shall be valid if executed by
one of them unless at or prior to exercise of the proxy the corporation receives
a  specific  written  notice  to the  contrary  from  any one of  them.  A proxy
<PAGE>   5
                                      -5-

purporting to be executed by or on behalf of a stockholder shall be deemed valid
unless  challenged  at or  prior  to its  exercise  and the  burden  of  proving
invalidity shall rest on the challenger.

7.       Action at  Meeting.   When a quorum  is  present,  the   holders  of  a
         -------------------
majority  of the stock  present or  represented  and voting on a matter,  (or if
there are two or more  classes of stock  entitled to vote as  separate  classes,
then in the case of each such  class,  the holders of a majority of the stock of
that class present or represented  and voting on a matter) except where a larger
vote is required by law, the Articles of  Organization  or these By-Laws,  shall
decide  any  matter  to be  voted  on  by  the  stockholders.  Any  election  by
stockholders  shall  be  determined  by a  plurality  of the  votes  cast by the
stockholders  entitled to vote at the election.  No ballot shall be required for
such election  unless  requested by a stockholder  present or represented at the
meeting and entitled to vote in the election. The corporation shall not directly
or indirectly vote any share of its stock.

8.       Procedure  for Meeting.   The Clerk,  who may call on  any  officer  or
         -----------------------
officers  of the  corporation  for  assistance,  shall  make all  necessary  and
appropriate  arrangements  for the  meetings  of the  stockholders,  receive all
proxies,  and  ascertain  and  report  by  certificate  to each  meeting  of the
stockholders  the number of shares present in person or by proxy and entitled to
vote at such  meeting.  In the absence of the Clerk,  an  Assistant  Clerk shall
perform said duties.  The  certificate of the Clerk or an Assistant  Clerk as to
the  regularity of such proxies and as to the number of shares present in person
or by proxy and  entitled  to vote at such  meeting  shall be  received as prima
facie  evidence of the number of shares which are present in person and by proxy
and entitled to vote, for the purpose of  establishing  the presence of a quorum
at such meeting,  for the purpose of organizing such meeting,  and for all other
purposes.

9.       Inspectors.   At each meeting of  the  stockholders,  (i)  the  proxies
         -----------
shall be received and taken in charge by three inspectors,  (ii) where voting is
to be by ballot on any  question,  the polls  shall be opened and closed and the
ballots  shall be taken in charge by such  inspectors,  and (iii) all  questions
touching the qualification of voters, the validity of proxies and the acceptance
<PAGE>   6
                                      -6-

or  rejection of votes shall be decided by such three  inspectors  or a majority
thereof.  Such inspectors may be appointed by the Board of Directors before such
meeting,  or, if no such appointment shall have been made, then by the presiding
officer  at such  meeting.  In the event for any  reason  any of the  inspectors
previously  appointed  shall fail to attend such meeting,  or being present will
not or cannot act in such capacity,  then an inspector or inspectors in place of
such inspector or inspectors  failing to attend or not acting shall be appointed
by the presiding officer.

                                   ARTICLE III
                                   -----------
                                    Directors
                                    ---------

1.       Powers.   The business of  the corporation shall be  managed by a Board
         -------
of  Directors  who may  exercise  all the  powers of the  corporation  except as
otherwise  provided by law, by the Articles of Organization or by these By-Laws.
In the event of a vacancy in the Board of Directors,  the  remaining  Directors,
except as  otherwise  provided by law, may exercise the powers of the full Board
until the vacancy is filled.

2.       Nomination and Election.   The Board of Directors  shall consist of not
         ------------------------
less than three (3) nor more than fifteen (15) persons.  The number of the Board
of Directors for each year shall be fixed by vote of a majority of the Directors
then in office.  The Board of Directors  shall be classified with respect to the
time for which they severally hold office, as provided in Section 50A of Chapter
156B of the Massachusetts  General Laws, into three classes,  as nearly equal in
number as  possible,  the term of office of those of the first  class  ("Class I
Directors") to continue until the 1990 annual meeting of stockholders  and until
their successors are duly elected and qualified,  the term of office of those of
the second  class  ("Class II  Directors")  to  continue  until the 1991  annual
meeting  of  stockholders  and  until  their  successors  are duly  elected  and
qualified,  and the term of those of the third class ("Class III  Directors") to
continue  until  the  1992  annual  meeting  of  stockholders  and  until  their
<PAGE>   7
                                      -7-

successors  are  duly  elected  and   qualified.   At  each  annual  meeting  of
stockholders  the successors to the class of Directors whose term expires at the
meeting shall be elected to hold office for a term  continuing  until the annual
meeting  of  stockholders  held in the third  year  following  the year of their
election and until their successors shall have been duly elected and qualified.
         Only  persons  who are  nominated  in  accordance  with  the  following
procedures  shall be eligible for election as Directors.  Nominations of persons
for election to the Board of Directors at the annual  meeting may be made at the
annual meeting of stockholders by or at the direction of the Board of Directors,
by any nominating  committee or person appointed by the Board of Directors or by
any  stockholder  entitled to vote for the  election of Directors at the meeting
who complies  with the notice  procedures  set forth in this  Article III.  Such
nominations,  other  than  those  made by or at the  direction  of the  Board of
Directors,  shall be made  pursuant to timely  notice in writing to the Clerk of
the corporation.  To be timely, a stockholder's  notice shall be delivered to or
mailed and received at the principal  executive  offices of the  corporation not
less than fifty (50) days nor more than ninety  (90) days prior to the  meeting;
provided, however, that in the event that less than sixty-five (65) days' notice
of  prior  public  disclosure  of the  date of the  meeting  is given or made to
stockholders,  notice by the  stockholder  to be timely must be so received  not
later than the close of business on the fifteenth day following the day on which
such notice of the date of the meeting was mailed or such public  disclosure was
made,  whichever first occurs. Such stockholder's  notice to the Clerk shall set
forth (a) as to each  person  whom the  stockholder  proposes  to  nominate  for
election or re-election as a Director,  (i) the name, age,  business address and
residence address of the person, (ii) the principal  occupation or employment of
the person,  (iii) the  citizenship of the person,  (iv) the class and number of
shares of capital stock of the corporation  which are beneficially  owned by the
person, and (v) any other information relating to the person that is required to
be disclosed in solicitations  of proxies for election of directors  pursuant to
the Proxy Rules; and (b) as to the stockholder  giving the notice,  (i) the name
and record  address of the  stockholder,  (ii) the class and number of shares of
capital stock of the corporation which are beneficially owned by the stockholder
as of the record  date for the  meeting  (if such date shall then have been made
<PAGE>   8
                                      -8-

publicly  available) and as of the date of such notice,  (iii) a  representation
that the  stockholder  intends to appear in person or by proxy at the meeting to
nominate the person or persons  specified in the notice,  (iv) a description  of
all arrangements or understandings between such stockholder and each nominee and
any other person or persons  (naming  such person or persons)  pursuant to which
the nomination or nominations are to be made by such stockholder, (v) such other
information  regarding  each nominee  proposed by such  stockholder  as would be
required to be included in a proxy  statement  filed pursuant to the Proxy Rules
and (vi) the consent of each  nominee to serve as a Director of the  corporation
if so elected.  The corporation may require any proposed nominee to furnish such
other  information as may reasonably be required by the corporation to determine
the eligibility of such proposed  nominee to serve as Director.  No person shall
be eligible for election as a Director  unless  nominated in accordance with the
procedures  set forth  herein.  Any  Director  who attains 72 years of age shall
immediately  retire from his or her  position as a Director of the  Corporation,
provided that this limitation shall not apply to any Director serving on January
28, 1997. [Section 2 restated January 28, 1997.]

3.       Vacancies.   Vacancies  and   newly  created   directorships,   whether
         ----------
resulting  from an  increase  in the size of the  Board of  Directors,  from the
death,  resignation,  disqualification  or removal of a Director  or  otherwise,
shall be filled  solely by the  affirmative  vote of a majority of the remaining
Directors  then in  office,  even  though  less  than a quorum  of the  Board of
Directors.  Any Director elected in accordance with the preceding sentence shall
hold  office for the  remainder  of the full term of the class of  Directors  in
which the vacancy  occurred or the new  directorship  was created and until such
Director's  successor shall have been elected and qualified.  No decrease in the
number of Directors  constituting  the Board of Directors shall shorten the term
of any incumbent Director. [Section 3 restated March 13, 1991.]

4.       Enlargement of the Board.  The number of the Board of Directors may be 
         -------------------------
increased and one or more additional  Directors elected by vote of a majority of
the Directors then in office. [Section 4 restated March 13, 1991.]
<PAGE>   9
                                      -9-

5.       Resignation.   Any   Director  may  resign by  delivering  his  written
         ------------
resignation to the corporation at its principal office or to the Chief Executive
Officer,  President,  Clerk  or  Assistant  Clerk.  Such  resignation  shall  be
effective upon receipt unless it is specified to be effective at some other time
or upon the happeningof some other event. [Section 5 restated March 13, 1991 and
May 23, 1996.]

6.       Removal.   Any  Director  may be removed from office only (a) for cause
         --------
as defined in Section 50A of Chapter 156B of the Massachusetts  General Laws and
by the  affirmative  vote  of a  majority  of  the  shares  of  the  corporation
outstanding  and  entitled to vote in the election of Directors or (b) for cause
by vote of a majority of the Directors then in office.

7.        Meetings.  Regular  meetings of the Directors may be held without call
          ---------
or notice at such  places  and at such times as the  Directors  may from time to
time determine, provided that any Director who is absent when such determination
is made shall be given  notice of the  determination.  A regular  meeting of the
Directors  may be held  without a call or notice at the same place as the annual
meeting of stockholders,  or the special meeting held in lieu thereof, following
such meeting of stockholders.
         Special  meetings  of the  Directors  may be held at any time and place
designated in a call by the Chief Executive Officer, President, Treasurer or two
or more Directors. [Section 7 restated May 23, 1996.]

8.       Notice of Meetings.   Notice  of  all special meetings of the Directors
         -------------------
shall be given to each Director by the Clerk or Assistant  Clerk, or in the case
of the death, absence,  incapacity or refusal of such persons, by the officer or
one of the Directors calling the meeting. Notice shall be given to each Director
in person or by telephone or by telegram sent to his business or home address at
least forty-eight hours in advance of the meeting or by written notice mailed to
his  business  or home  address  at least  seventy-two  hours in  advance of the
meeting. Notice need not be given to any Director if a written waiver of notice,
executed  by him before or after the  meeting,  is filed with the records of the
meeting,  or to any Director who attends the meeting  without  protesting  prior
<PAGE>   10
                                      -10-

thereto or at its  commencement the lack of notice to him. A notice or waiver of
notice of a Directors' meeting need not specify the purposes of the meeting.

9.       Quorum. At any meeting of the Directors,  a majority of the Directors 
         -------
then inoffice  shall  constitute  a quorum.  Less than a quorum may adjourn any 
meeting from time to time without further notice.

10.      Action at  Meeting.   At  any  meeting  of  the  Directors  at  which a
         -------------------
quorum is present,  the vote of a majority of those present,  unless a different
vote is specified by law, the Articles of Organization  or these By-Laws,  shall
be sufficient to decide such matter.

11.      Action by  Consent.    Any  action  by  the  Directors  may   be  taken
         -------------------
without a meeting if a written consent thereto is signed by all of the Directors
and filed with the records of the  Directors'  meetings.  Such consents shall be
treated as a vote of the Directors for all purposes.

12.      Committees.  The Directors may, by vote of a majority of the  Directors
         -----------
then in office, elect from their number an executive or other committees and may
by like vote delegate  thereto some or all of their powers except those which by
law, the Articles of  Organization  or these  By-Laws they are  prohibited  from
delegating.  Except as the Directors may otherwise determine, any such committee
may make rules for the conduct of its business, but unless otherwise provided by
the Directors or in such rules, its business shall be conducted as nearly as may
be in the same manner as is provided by these By-Laws for the Directors.

                                   ARTICLE IV
                                   ----------
                                    Officers
                                    --------

1.       Enumeration.    The  officers  of  the  corporation  shall consist of a
         ------------
President,  a Treasurer,  a Clerk,  and such other  officers,  including a Chief
Executive, one or more Vice-Presidents,  Assistant Treasurers,  Assistant Clerks
and Secretary as the Directors may determine. [Section 1 restated May 23, 1996.]
<PAGE>   11
                                      -11-

2.       Election.  The President, Treasurer and Clerk shall be elected annually
         ---------
by the  Directors  at their  first  meeting  following  the  annual  meeting  of
stockholders.  Other  officers may be chosen by the Directors at such meeting or
at any other meeting.

3.       Qualification.  The  President ( and if so appointed  by  the Board of 
         --------------
Directors,  the Chief  Executive  Officer) may, but need not, be a Director.  No
officer need be a  stockholder.  Any one or more officers may be required by the
Directors  to give  bond  for the  faithful  performance  of his  duties  to the
corporation  in  such  amount  and  with  such  sureties  as the  Directors  may
determine. [Section 3 restated May 23, 1996.]

4.       Tenure.  Except as otherwise provided by law, the Articles of 
         -------
Organization  or these By-Laws,  the  President,  Treasurer and Clerk shall each
hold  office  until the first  meeting  of the  Directors  following  the annual
meeting  of  stockholders  and  thereafter  until  a  successor  is  chosen  and
qualified;  and all other  officers shall hold office until the first meeting of
the Directors  following the annual  meeting of  stockholders,  unless a shorter
term is  specified  in the vote  choosing or  appointing  them.  Any officer may
resign by delivering his written resignation to the corporation at its principal
office or to the President,  Clerk or Secretary,  and such resignation  shall be
effective upon receipt unless it is specified to be effective at some other time
or upon the happening of some other event.

5.       Removal.  The Directors may remove any officer with or without cause by
         --------
vote of a majority of the entire number of Directors  then in office;  provided,
that an officer  may be removed  for cause  only after a  reasonable  notice and
opportunity to be heard by the Board of Directors prior to action thereof.

6.       President,  Chief Executive Officer and Vice-President.   If   a  Chief
         ------------------------------------------------------- 
Executive Officer has been appointed by the Board of Directors,  he shall be the
chief executive  officer of the corporation and shall,  subject to the direction
of the Directors,  have general supervision and control of its business.  If the
Board of Directors has not appointed a Chief  Executive  Officer,  the President
shall be the chief executive  officer of the  corporation and shall,  subject to
the  direction of the  Directors,  have general  supervision  and control of its
business.  Unless  otherwise provided by the Directors, the President ( or if at
<PAGE>   12
                                      -12-

any time there exists a Chief Executive  Officer,  the Chief Executive  Officer)
shall  preside,  when  present,  at  all  meetings  of  stockholders  and of the
Directors. [Section 6 restated May 23, 1996.]
         Any Vice-President (and the President,  if at any time there is a Chief
Executive Officer) shall have such powers as the Directors may from time to time
designate.

7.       Treasurer and Assistant Treasurers.   The  Treasurer  shall, subject to
         -----------------------------------
the direction of the Directors,  have general charge of the financial affairs of
the corporation  and shall cause to be kept accurate books of account.  He shall
have  custody  of  all  funds,   securities,   and  valuable  documents  of  the
corporation, except as the Directors may otherwise provide.

        Any  Assistant  Treasurer  shall  have such powers as the Directors may 
from time to time designate.

8.       Clerk and Assistant Clerks.   The  Clerk  shall  keep  a  record of the
         ---------------------------
meetings of stockholders.  Unless a Transfer Agent is appointed, the Clerk shall
keep or  cause  to be kept in  Massachusetts,  at the  principal  office  of the
corporation,  the stock and transfer  records of the  corporation,  in which are
contained the names and the record  addresses of all stockholders and the amount
of stock held by each.

         The Clerk shall keep a record of the meetings of the Directors.

         Any  Assistant  Clerk shall have such powers as the  Directors may from
time to time  designate.  In the  absence  of the  Clerk  from  any  meeting  of
stockholders,  an Assistant  Clerk if one be elected,  and otherwise a Temporary
Clerk  designated  by the person  presiding  at the meeting,  shall  perform the
duties of the Clerk.

9.       Other  Powers  and  Duties.   Each   officer   shall,  subject to these
         ---------------------------
By-Laws,  have in  addition to the duties and powers  specifically  set forth in
these By-Laws, such duties and powers as are customarily incident to his office,
and such duties and powers as the Directors may from time to time designate.
<PAGE>   13
                                      -13-


                                    ARTICLE V
                                    ---------
                                  Capital Stock
                                  -------------

1.       Issuance of Stock.   The  Board  of  Directors  shall have the power to
         ------------------
issue from time to time shares of the capital stock of the  corporation for such
consideration,  in such  installments,  and upon such terms as the Directors may
determine in  accordance  with the law, the  Articles of  Organization  or these
By-Laws.

2.       Certificates  of Stock.   Each   stockholder  shall  be  entitled to  a
         -----------------------
certificate  of the  capital  stock of the  corporation  in such  form as may be
prescribed from time to time by the Directors.  The certificate  shall be signed
by the Chief Executive  Officer,  the President or a Vice President,  and by the
Treasurer or an Assistant Treasurer,  but when a certificate is countersigned by
a Transfer  Agent or a Registrar  other than a Director,  officer or employee of
the corporation,  such signatures may be facsimiles. In case any officer who has
signed or whose facsimile  signature has been placed on such  certificate  shall
have ceased to be such  officer  before such  certificate  is issued,  it may be
issued by the corporation with the same effect as if he were such officer at the
time of its issue.
         Every  certificate  for  shares  of  stock  which  are  subject  to any
restriction on transfer pursuant to the Articles of Organization,  these By-Laws
or any agreement to which the corporation is a party, shall have the restriction
noted  conspicuously  on the certificate and shall also set forth on the face or
back either the full text of the  restriction or a statement of the existence of
such restriction and a statement that the corporation will furnish a copy to the
holder of such  certificate  upon  written  request  and without  charge.  Every
certificate  issued when the  corporation  is  authorized to issue more than one
class or series of stock  shall  set forth on its face or back  either  the full
text of the preferences,  voting powers, qualifications and special and relative
rights of the  shares  of each  class and  series  authorized  to be issued or a
statement  of the  existence of such  preferences,  powers,  qualifications  and
<PAGE>   14
                                      -14-

rights,  and a statement that the corporation will furnish a copy thereof to the
holder of such certificate upon written request and without charge.

3.       Transfers.   Subject to the restrictions,  if  any,  stated or noted on
         ----------
the stock  certificates,  shares of stock may be transferred on the books of the
corporation  by the surrender to the  corporation  or its Transfer  Agent of the
certificate  therefor properly  endorsed or accompanied by a written  assignment
and power of attorney properly executed, with necessary transfer stamps affixed,
and with such proof of the  authenticity  of signature as the corporation or its
Transfer Agent may reasonably  require.  Except as may be otherwise  required by
law, the Articles of  Organization or these By-Laws,  the  corporation  shall be
entitled to treat the record  holder of stock as shown on its books as the owner
of such stock for all purposes, including the payment of dividends and the right
to vote  with  respect  thereof,  regardless  of any  transfer,  pledge or other
disposition of such stock,  until the shares have been  transferred on the books
of the corporation in accordance with the requirements of these By-Laws.
         It shall be the duty of each  stockholder to notify the  corporation or
its Transfer Agent of his post office address.

4.       Transfer  Agent and  Registrar.   The   Directors   shall have power to
         -------------------------------
appoint  one or  more  Transfer  Agents  and  Registrars  for the  transfer  and
registration of  certificates of stock of any class,  and may require that stock
certificates  shall  be  countersigned  and  registered  by one or  more of such
Transfer  Agents  and  Registrars.  The  resolutions  adopted  by the  Board  of
Directors,  appointing and conferring the powers, rights, duties and obligations
of the Transfer  Agent or  Registrar,  or both,  shall  allocate and delimit the
power  to  make  original  issue  and  transfer  of  the  capital  stock  of the
corporation,  shall specify whether stockholders shall give notice of changes of
their  addresses to the Transfer Agent or the Registrar,  and shall allocate and
impose the duty of maintaining  the original stock ledgers or transfer books, or
both, of the corporation,  and of disclosing the names of the stockholders,  the
number of shares  held by each,  by kinds and  classes,  and the address of each
stockholder  as it appears  upon the  records of the  corporation.  Stockholders
shall be responsible for notifying the Transfer Agent or Registrar,  as the case
<PAGE>   15
                                      -15-

may be, in writing,  of any changes in their  addresses  from time to time,  and
failure so to do will  relieve  the  corporation,  its  stockholders,  officers,
Directors,  Transfer  Agent and  Registrar,  of liability  for failure to direct
notices,  dividends, or other documents or property to an address other than the
one appearing upon the records of the Transfer  Agent or Registrar,  as the case
may be, who is the agent  specified in such a resolution as the agent to receive
notices of changes of address.

5.       Lost, Stolen or Destroyed Certificates.   The  corporation  may issue a
         ---------------------------------------
new certificate for shares of stock in the place of any certificate  theretofore
issued  and  alleged to have been lost,  stolen or  destroyed,  but the Board of
Directors may require the owner of such lost,  stolen or destroyed  certificate,
or his legal  representative,  to furnish  affidavit  as to such loss,  theft or
destruction, and to give a bond in such form and substance, and with such surety
or sureties,  with fixed or open  penalty,  as it may direct,  to indemnify  the
corporation  and the Transfer  Agent or Registrar  against any claim that may be
made on account of the alleged loss, theft or destruction of such certificate.

6.       Record  Date.   The  Directors  may  fix  in advance a time of not more
         -------------
than sixty days preceding the date of any meeting of  stockholders,  or the date
for  the  payment  of  any  dividend  or  the  making  of  any  distribution  to
stockholders,  or the last day on which the  consent or dissent of  stockholders
may be effectively expressed for any purpose, as the record date for determining
the  stockholders  having the right to notice of and to vote at such meeting and
any adjournment  thereof,  or the right to receive such dividend or distribution
or the right to give such consent or dissent.  In such case only stockholders of
record on such record date shall have such right,  notwithstanding  any transfer
of stock on the books of the corporation  after the record date.  Without fixing
such record date the Directors  may for any of such purposes  close the transfer
books for all or any part of such period.

7.       Reacquisition of Stock.   Shares  of stock previously issued which have
         -----------------------
been reacquired by the corporation, may be restored to the  status of
authorized  Articles of Organization. but unissued shares by vote of the  Board
of Directors ,without amendment of the Articles of Organization.
        
<PAGE>   16
                                      -16-

                                   ARTICLE VI
                                   ----------

                      Protection of Directors and Officers
                      ------------------------------------

1.       Contracts and Transactions  with Interested  Directors and Officers.
         --------------------------------------------------------------------
         
         If the corporation  enters  into  contracts or  other transactions with
one or more of its Directors and officers or with any corporation,  partnership,
association,  trust,  or other  organization  with which any of its Directors or
officers are directly or indirectly  connected,  such contracts or  transactions
shall  not be  invalidated  or in any way  affected  by the  fact  that any such
Director or officer has or may have any  interest  therein  which is or might be
adverse to the  interests of the  corporation,  even though the vote or votes of
the  Director or Directors  having such  interest  shall have been  necessary to
obligate the corporation under or in such contract or transaction, nor shall any
such Director or officer, corporation,  partnership, association, trust or other
organization be liable to account to this corporation for any profit realized by
him  or  such  corporation,   partnership,   association,   or  trust  or  other
organization  from or through any such  transaction or contract by reason of the
fact  that he or such  corporation,  partnership,  association,  trust  or other
organization  with which such  Director  or officer is  directly  or  indirectly
connected was  interested in such  transaction or contract;  provided,  however,
that in every  such  case the fact of such  interest  and all  material  matters
concerning   same  shall  be  disclosed  to  other   Directors  or  stockholders
authorizing such contract or transaction.

2.       Indemnification.   (a)  Each   Director,   officer,  employee and other
         ----------------
agent of the corporation, and any person who, at the request of the corporation,
serves as a director,  officer,  employee or other agent of another organization
in which the corporation  directly or indirectly owns shares or of which it is a
creditor  shall be  indemnified  by the  corporation  against any cost,  expense
(including  attorneys'  fees),   judgment,   liability  and/or  amount  paid  in
settlement  reasonably  incurred by or imposed upon him in  connection  with any
action,  suit or proceeding  (including any proceeding before any administrative
or  legislative  body or agency),  which he may be made a party to or  otherwise
<PAGE>   17
                                      -17-

involved with or with which he shall be threatened,  by reason of his being,  or
related to his status as, a  Director,  officer,  employee or other agent of the
corporation or of any other  organization in which the  corporation  directly or
indirectly  owns shares or of which the  corporation is a creditor,  which other
organization  he serves or has served as  director,  officer,  employee or other
agent at the request of the  corporation  (whether or not he  continues to be an
officer,  Director,  employee  or other agent of the  corporation  or such other
organization  at the  time  such  action,  suit  or  proceeding  is  brought  or
threatened),   unless  such   indemnification  is  prohibited  by  the  Business
Corporation  Law of the  Commonwealth of  Massachusetts.  The foregoing right of
indemnification  shall be in addition to any rights to which any such person may
otherwise  be  entitled  and shall  inure to the  benefit  of the  executors  or
administrators  of each  such  person.  The  corporation  may  pay the  expenses
incurred by any such person in  defending  a civil or criminal  action,  suit or
proceeding  in  advance  of the  final  disposition  of such  action,  suit,  or
proceeding,  upon receipt of an undertaking by such person to repay such payment
if it is  determined  that  such  person  is  not  entitled  to  indemnification
hereunder.  This section  shall be subject to amendment or repeal only by action
of the stockholders.
         (b) The Board of Directors may, without stockholder approval, authorize
the  corporation  to  enter  into   agreements,   including  any  amendments  or
modifications  thereto,  with any of its  Directors,  officers or other  persons
described in paragraph (a) above providing for  indemnification  of such persons
to the maximum  extent  permitted  under  applicable  law and the  corporation's
Articles of Organization and By-Laws. [Section 2(b) added May 8, 1987.]

                                   ARTICLE VII
                                   -----------

                            Miscellaneous Provisions
                            ------------------------ 

1.       Execution of Instruments.   All deeds, leases, transactions, contracts,
         -------------------------
bonds,  notes and other  obligations  authorized to be executed by an officer of
the  corporation in its behalf shall be signed by the Chief  Executive  Officer,
<PAGE>   18
                                      -18-

the  President or the  Treasurer  except as the  Directors  may  generally or in
particular cases otherwise determine. [Section 1 restated May 23, 1996.]

2.       Voting  of  Securities.   Except   as   the   Directors  may  otherwise
         ----------------------- 
designate,  the Chief  Executive  Officer,  the President or Treasurer may waive
notice of, and appoint any person or persons to act as proxy or attorney in fact
for this  corporation  (with or without power of substitution) at any meeting of
stockholders  or  shareholders  of any other  corporation or  organization,  the
securities of which may be held by this corporation.
[Section 2 restated May 23, 1996.]

3.       Corporate Records.  The  original,  or attested copies, of the Articles
         ------------------
of Organization,  By-Laws and records of all meetings of the  incorporators  and
stockholders,  and the stock and transfer records, which shall contain the names
of all stockholders and the record address and the amount of stock held by each,
shall be kept in Massachusetts at the principal office of the corporation, or at
an office of its  Transfer  Agent or of the Clerk.  Said copies and records need
not all be kept in the same office.  They shall be  available at all  reasonable
times to the  inspection of any  stockholder  for any proper  purpose but not to
secure a list of  stockholders  for the  purpose of selling  said list or copies
thereof  or of using the same for a purpose  other than in the  interest  of the
applicant, as a stockholder, relative to the affairs of the corporation.

4.        Articles of Organization.   All  references  in  these  By-Laws to the
          -------------------------
Articles  of  Organization   shall  be  deemed  to  refer  to  the  Articles  of
Organization of the corporation, as amended and in effect from time to time.

5.        Amendments.   These  By-Laws may be amended or repealed in whole or in
          -----------
part  at any  annual  or  special  meeting  of the  stockholders  by a vote of a
majority of the stock  present  and  entitled  to vote,  provided  notice of the
proposed  amendment  or  repeal  shall  have  been  given in the  notice of such
meeting.  In addition,  the Directors may amend or repeal these By-Laws in whole
or in part,  except with  respect to any  provision  thereof  which by law,  the
Articles of Organization or these By-Laws  requires action by the  stockholders.
Any  By-Law  adopted  by  the  Directors  may  be  amended  or  repealed  by the
stockholders in the manner hereinabove in this Article set forth. Not later than
<PAGE>   19
                                      -19-

the time of giving  notice of the meeting of  stockholders  next  following  the
amending or repealing by the Directors of any By-Law, notice thereof stating the
substance of such change shall be given to all stockholders  entitled to vote on
amending these By-Laws. [Section 5 restated March 13, 1991.]

6.       The provisions of Chapter 110D of the Massachusetts General Laws as in
effect from time to time shall not apply to control  share  acquisitions  of the
corporation. [Section 6 added July 14, 1988.]

Amended and Restated November 12, 1986

Amended May 8, 1987

Amended July 14, 1988

Amended September 14, 1989

Amended and Restated March 13, 1991

Amended and Restated May 23, 1996

Amended and Restated January 28, 1997






<PAGE>   1
                                            




                                                                  EXHIBIT  10.14
                                TERADYNE, INC.
  
                       1997 EMPLOYEE STOCK OPTION PLAN
                       -------------------------------


         1.  Purpose.  The purpose of the Teradyne,  Inc.  1997  Employee  Stock
             --------
Option Plan (the "Plan") is to encourage  key  employees of Teradyne,  Inc. (the
"Company")  and of any  present or future  parent or  subsidiary  of the Company
(collectively, "Related Corporations") and other individuals who render services
to  the  Company  or  a  Related  Corporation,  by  providing  opportunities  to
participate  in the ownership of the Company and its future  growth  through (a)
the grant of options which qualify as "incentive  stock options"  ("ISOs") under
Section  422(b) of the Internal  Revenue Code of 1986,  as amended (the "Code");
(b) the grant of options which do not qualify as ISOs ("Non-Qualified Options");
(c) awards of stock in the Company  ("Awards");  and (d)  opportunities  to make
direct  purchases  of  stock  in  the  Company  ("Purchases").   Both  ISOs  and
Non-Qualified Options are referred to hereafter  individually as an "Option" and
collectively as "Options." Options,  Awards and authorizations to make Purchases
are referred to hereafter  collectively as "Stock  Rights." As used herein,  the
terms  "parent" and  "subsidiary"  mean  "parent  corporation"  and  "subsidiary
corporation,"  respectively,  as those  terms are  defined in Section 424 of the
Code.

         2.  Administration of the Plan.
             ---------------------------


                    A. Board or Committee Administration.   The  Plan  shall (be
                       ----------------------------------
          administered  by the Board of Directors  of the Company (the  "Board")
          or,  subject to paragraph  2(D)  (relating to compliance  with Section
          162(m) of the  Code),  by a  committee  appointed  by the  Board  (the
          "Committee").   Hereinafter,  all  references  in  this  Plan  to  the
          "Committee"  shall mean the Board if no Committee has been  appointed.
          Subject to  ratification of the grant or  authorization  of each Stock
          Right by the Board (if so  required  by  applicable  state  law),  and
          subject  to the  terms  of the  Plan,  the  Committee  shall  have the
          authority to (i)  determine to whom (from among the class of employees
          eligible under paragraph 3 to receive ISOs) ISOs shall be granted, and
          to whom (from among the class of  individuals  and  entities  eligible
          under paragraph 3 to receive  Non-Qualified  Options and Awards and to
          make Purchases)  Non-Qualified  Options,  Awards and authorizations to
          make  Purchases  may be granted;  (ii)  determine the time or times at
          which  Options or Awards  shall be granted or  Purchases  made;  (iii)
          determine  the  purchase  price of shares  subject  to each  Option or
          Purchase,  which  prices  shall  not be less  than the  minimum  price
          specified in paragraph 6; (iv)  determine  whether each Option granted
          shall be an ISO or a Non-Qualified  Option;  (v) determine (subject to
          paragraph  7)  the  time  or  times  when  each  Option  shall  become
          exercisable and the duration of the exercise  period;  (vi) extend the
          period  during  which  outstanding  Options  may be  exercised;  (vii)
          determine whether  restrictions  such as repurchase  options are to be
          imposed on shares  subject to Options,  Awards and  Purchases  and the

<PAGE>   2
                                       -2-

          nature of such restrictions, if any, and (viii) interpret the Plan and
          prescribe  and rescind  rules and  regulations  relating to it. If the
          Committee  determines to issue a Non-Qualified  Option,  it shall take
          whatever actions it deems necessary, under Section 422 of the Code and
          the regulations promulgated thereunder,  to ensure that such Option is
          not treated as an ISO.  The  interpretation  and  construction  by the
          Committee of any  provisions of the Plan or of any Stock Right granted
          under it shall be final unless otherwise  determined by the Board. The
          Committee may from time to time adopt such rules and  regulations  for
          carrying out the Plan as it may deem advisable. No member of the Board
          or the Committee shall be liable for any action or determination  made
          in good faith  with  respect  to the Plan or any Stock  Right  granted
          under it. 

                    B.  Committee  Actions.  The Committee may select one of its
                        -------------------
          members  as its  chairman,  and shall hold  meetings  at such time and
          places  as it  may  determine.  A  majority  of  the  Committee  shall
          constitute  a quorum  and acts of a  majority  of the  members  of the
          Committee  at a meeting at which a quorum is present,  or acts reduced
          to or  approved  in writing by all the  members of the  Committee  (if
          consistent with applicable  state law), shall be the valid acts of the
          Committee.  From time to time the Board may  increase  the size of the
          Committee and appoint additional members thereof, remove members (with
          or without  cause) and appoint new members in  substitution  therefor,
          fill vacancies  however caused, or remove all members of the Committee
          and thereafter  directly administer the Plan. 

                    C.  Grant of Stock Rights to Board Members. Stock Rights may
                        ---------------------------------------               
          be granted  to  members of the Board.  All grants of Stock  Rights  to
          members of the  Board  shall in all  respects  be made in   accordance
          with the provisions of this Plan applicable to other eligible persons.
          Members  of the Board who either (i) are  eligible  to receive  grants
          of Stock Rights pursuant to the Plan  or (ii) have been  granted Stock
          Rights may vote on any  matters  affecting the  administration  of the
          Plan or the  grant of any Stock  Rights  pursuant to the Plan,  except
          that  no  such  member  shall act upon  the  granting  to  himself  or
          herself of Stock Rights,  but  any  such  member  may  be  counted  in
          determining  the  existence  of a quorum at  any meeting of  the Board
          during  which  action is  taken with  respect  to the granting to such
          member of Stock Rights.
      
                    D. Performance-Based Compensation.    The Board, in its dis-
                       -------------------------------
          cretion, may take such action as may be necessary to ensure that Stock
          Rights granted under the Plan qualify as "qualified  performance-based
          compensation"  within the  meaning  of Section  162(m) of the Code and
          applicable  regulations  promulgated  thereunder   ("Performance-Based
          Compensation").  Such action may include,  in the Board's  discretion,
          some or all of the  following (i) if the Board  determines  that Stock
          Rights   granted   under   the   Plan   generally   shall   constitute
          Performance-Based Compensation, the Plan shall be administered, to the
          extent required for such Stock Rights to constitute  Performance-Based

<PAGE>   3
                                      -3-

          Compensation, by a Committee consisting solely of two or more "outside
          directors"  (as defined in applicable  regulations  promulgated  under
          Section 162(m) of the Code), (ii) if any Non-Qualified Options with an
          exercise  price  less than the fair  market  value per share of Common
          Stock are granted  under the Plan and the Board  determines  that such
          Options should constitute Performance-Based Compensation, such options
          shall   be  made   exercisable   only   upon  the   attainment   of  a
          pre-established,   objective   performance  goal  established  by  the
          Committee,  and  such  grant  shall be  submitted  for,  and  shall be
          contingent  upon  shareholder  approval and (iii) Stock Rights granted
          under the Plan may be subject to such other  terms and  conditions  as
          are necessary  for  compensation  recognized  in  connection  with the
          exercise  or  disposition  of such Stock Right or the  disposition  of
          Common  Stock  acquired  pursuant to such Stock Right,  to  constitute
          Performance-Based Compensation.

         3. Eligible Employees and Others. ISOs may be granted only to employees
            ------------------------------
of the Company or any Related  Corporation.  Non-Qualified  Options,  Awards and
authorizations  to make Purchases may be granted to any employee,  consultant or
director of the Company or any Related Corporation;  provided,  however, that no
Option may be granted hereunder to any non-employee  director. The Committee may
take into  consideration a recipient's  individual  circumstances in determining
whether  to  grant a  Stock  Right.  The  granting  of any  Stock  Right  to any
individual  or entity shall  neither  entitle that  individual or entity to, nor
disqualify such individual or entity from,  participation  in any other grant of
Stock Rights.

         4. Stock.  The stock  subject to Stock Rights shall be  authorized  but
            ------
unissued  shares of Common Stock of the Company,  par value $.125 per share (the
"Common  Stock"),  or shares of Common  Stock  reacquired  by the Company in any
manner.  The aggregate number of shares which may be issued pursuant to the Plan
is 3,000,000, subject to adjustment as provided in  paragraph  13. If any Option
granted under the Plan shall expire or terminate for any reason  without  having
been  exercised in full or shall cease for any reason to be exercisable in whole
or in part or shall be repurchased  by the Company,  the  unpurchased  shares of
Common Stock subject to such Option shall again be available for grants of Stock
Rights under the Plan.

         No employee of the Company or any  Related  Corporation  may be granted
Options to acquire, in the aggregate, more than 2,000,000 shares of Common Stock
under the Plan  during any fiscal  year of the  Company.  If any Option  granted
under the Plan shall  expire or  terminate  for any reason  without  having been
exercised in full or shall cease for any reason to be exercisable in whole or in
part or shall be repurchased  by the Company,  the shares subject to such Option
shall be  included in the  determination  of the  aggregate  number of shares of
Common Stock deemed to have been granted to such employee under the Plan.

         5. Granting of Stock Rights. Stock Rights may be granted under the Plan
            -------------------------
at any time on or after January 28, 1997 and prior to January 25, 2007. The date
of grant of a Stock  Right  under  the Plan  will be the date  specified  by the
Committee at the time it grants the Stock Right;  provided,  however,  that such
date shall not be prior to the date on which the  Committee  acts to approve the

<PAGE>   4
                                      -4-

grant. The Committee shall have the right, with the consent of the optionee,  to
convert an ISO  granted  under the Plan to a  Non-Qualified  Option  pursuant to
paragraph 16.

         6. Minimum Option Price; ISO Limitations.
            --------------------------------------

                    A.  Price for Non-Qualified Options,  Awards  and Purchases.
                        --------------------------------------------------------

          Subject  to  paragraph  2(D)  (relating to  compliance   with  Section
          162(m) of the Code),  the  exercise  price per share  specified in the
          agreement  relating  to each  Non-Qualified  Option  granted,  and the
          purchase  price per share of stock  granted in any Award or authorized
          as a Purchase,  under the Plan may be less than the fair market  value
          of the  Common  Stock of the  Company  on the date of grant;  provided
          that, in no event shall such exercise  price or such purchase price be
          less than the minimum legal consideration  required therefor under the
          laws of any  jurisdiction  in which the Company or its  successors  in
          interest  may be  organized.  No  more  than   400,000   Non-Qualified
          Options  may be  granted  under  the Plan for less than  "fair  market
          value" (as hereinafter defined).

                    B.  Price  for  ISOs. The exercise price per share specified
                        -----------------
          in the  agreement  relating  to each ISO  granted  under the Plan
          shall not be less than the fair market value per share of Common Stock
          on the date of such  grant.  In the case of an ISO to be granted to an
          employee  owning stock  possessing  more than ten percent (10%) of the
          total combined  voting power of all classes of stock of the Company or
          any  Related  Corporation,  the  price  per  share  specified  in  the
          agreement  relating to such ISO shall not be less than one hundred ten
          percent  (110%) of the fair market  value per share of Common Stock on
          the date of grant.  For purposes of determining  stock ownership under
          this paragraph, the rules of Section 424(d) of the Code shall apply.

                    C. $100,000  Annual Limitation on ISO Vesting. Each eligible
                       -------------------------------------------
          employee  may be  granted  Options treated as  ISOs only to the extent
          that, in the aggregate  under this Plan and all incentive stock option
          plans of the Company and any Related  Corporation,  ISOs do not become
          exercisable  for the first time by such  employee  during any calendar
          year with respect to stock having a fair market value  (determined  at
          the time the ISOs were  granted)  in excess of  $100,000.  Any Options
          granted to an employee in excess of such limitation will be granted as
          Non-Qualified   Options,   and  the  Company   shall  issue   separate
          certificates  to  the  optionee  with  respect  to  Options  that  are
          Non-Qualified Options and Options that are ISOs.

                    D.  Determination  of Fair Market  Value.   If, at the  time
                        -------------------------------------
          an Option is granted  under the Plan,  the  Company's  Common Stock is
          publicly  traded,  "fair market  value" shall be  determined as of the
          date of grant or, if the prices or quotes  discussed in this  sentence
          are  unavailable  for such date,  the last business day for which such
          prices or quotes  are  available  prior to the date of grant and shall
          mean (i) the  average  (on that  date) of the  high,  low and  closing

<PAGE>   5
                                      -5-

          prices  of the  Common  Stock  on the  principal  national  securities
          exchange on which the Common  Stock is traded,  if the Common Stock is
          then  traded  on a  national  securities  exchange;  or (ii)  the last
          reported  sale price (on that date) of the Common  Stock on the Nasdaq
          National Market,  if the Common Stock is not then traded on a national
          securities exchange; or (iii) the closing bid price (or average of bid
          prices) last quoted (on that date) by an established quotation service
          for over-the-counter  securities,  if the Common Stock is not reported
          on the Nasdaq  National  Market.  If the Common  Stock is not publicly
          traded at the time an Option is granted  under the Plan,  "fair market
          value" shall mean the fair value of the Common Stock as  determined by
          the  Committee  after taking into  consideration  all factors which it
          deems  appropriate,  including,  without  limitation,  recent sale and
          offer prices of the Common Stock in private transactions negotiated at
          arm's length.

         7.  Option  Duration.  Subject to earlier  termination  as  provided in
             -----------------
paragraphs 9 and 10 or in the  agreement  relating to such  Option,  each Option
shall expire on the date specified by the  Committee,  but not more than (i) ten
years and one day from the date of grant in the case of  Non-Qualified  Options,
(ii) ten years  from the date of grant in the case of ISOs and (iii)  five years
from the date of grant in the case of ISOs  granted to an employee  owning stock
possessing more than ten percent (10%) of the total combined voting power of all
classes of stock of the Company or any Related Corporation,  as determined under
paragraph 6(B).  Subject to earlier  termination as provided in paragraphs 9 and
10, the term of each ISO shall be the term set forth in the original  instrument
granting such ISO, except with respect to any part of such ISO that is converted
into a Non-Qualified Option pursuant to paragraph 16.

         8.  Exercise of Option.   Subject  to  the  provisions  of paragraphs 9
             -------------------
through 12, each Option granted under the Plan shall be  exercisable as follows:

                    A. Vesting.  The Option shall either be fully exercisable on
                       --------
             the  date of grant or  shall   become   exercisable  thereafter  in
             such installments as the Committee may specify.

                    B. Full Vesting of Installments. Once an installment becomes
                       -----------------------------
             exercisable,  it  shall  remain  exercisable  until  expiration  or
             termination  of the  Option,  unless  otherwise  specified  by  the
             Committee.

                    C.  Partial Exercise.   Each  Option  or installment  may be
                        -----------------
             exercised  at  any  time or from time to time, in whole or in part,
             for  up  to  the total number of shares with respect to which it is
             then exercisable.

                    D.  Acceleration  of Vesting.  The  Committee shall have the
                        -------------------------
             right to accelerate  the  date  that any  installment of any Option
             becomes exercisable;   provided,   that  the  Committee  shall not,
             without the consent of   an  optionee,   accelerate  the  permitted
             exercise  date  of  any   installment  of any Option granted to any
             employee  as  an   ISO  (and  not   previously   converted  into  a
             Non-Qualified    Option    pursuant   to   paragraph 16)   if  such
             acceleration would violate the annual vesting limitation  contained

<PAGE>   6
                                      -6-

             in  Section   422(d)  of  th  Code, as described in paragraph 6(C).
             

         9.  Termination  of  Employment.  Unless  otherwise  specified  in  the
             ----------------------------
agreement  relating  to such ISO,  if an  optionee  ceases to be employed by the
Company and all Related Corporations other than by reason of death or disability
as defined in paragraph 10, no further  installments of his or her Options shall
become exercisable,  and his or her Options shall terminate after the passage of
90 days from the date of termination of his or her  employment;  provided,  that
the Committee may specify that Non-Qualified  Options may remain exercisable for
more than 90 days from the date of termination of employment; provided, further,
that in no event  shall any  Option  or part or  installment  thereof  become or
remain  exercisable  after its specified  expiration  date.  Employment shall be
considered  as  continuing  uninterrupted  during any bona fide leave of absence
(such as those  attributable  to illness,  military  obligations or governmental
service)  provided  that the period of such leave does not exceed 90 days or, if
longer,  any  period  during  which such  optionee's  right to  reemployment  is
guaranteed by statute. A bona fide leave of absence with the written approval of
the Committee shall not be considered an  interruption  of employment  under the
Plan, provided that such written approval contractually obligates the Company or
any Related  Corporation  to continue the  employment of the optionee  after the
approved period of absence. Options granted under the Plan shall not be affected
by  any  change  of   employment   within  or  among  the  Company  and  Related
Corporations, so long as the optionee continues to be an employee of the Company
or any  Related  Corporation.  Nothing  in the Plan  shall be deemed to give any
grantee  of any Stock  Right the right to be  retained  in  employment  or other
service by the Company or any Related Corporation for any period of time.

         Notwithstanding  anything to the contrary  contained above, in the case
of normal retirement,  Non-Qualified Options granted to an optionee shall remain
exercisable until the date which is the earlier of (i) the Non-Qualified Options
specified expiration date or (ii) 90 days from the date upon which such optionee
becomes employed by a competitor of the Company,  to the extent of the number of
shares which have vested prior to and during such period.  The  Committee  shall
have the  absolute  discretion  to  determine  whether  and as of what  date any
optionee is employed by a competitor of the Company.

         10.  Death; Disability.
              ------------------
                    A.   Death.  If an  optionee  ceases to be  employed by the 
                         ------
             Company and all Related Corporations by reason of his or her death,
             by such  optionee  may be  exercised,  to the  extent of the number
             of shares  with  respect  to which such  optionee  has  theretofore
             been granted Options (whether  or  not  such Options have vested in
             accordance with their terms),by the estate, personal representative
             or beneficiary  who  has  acquired  the  Option  by will or  by the
             laws of descent and distribution,(i) in the case of ISOs,  at  any 
             time prior to the earlier of the ISOs' specified expiration date or
             180 days from the date of such optionee's death or (ii) in the case
             of Non-Qualified Options, at any time prior to the  earlier of  the
             Non-Qualified Options specified  expiration  date or one  year from
             the date of such optionee's death.

<PAGE>   7
                                      -7-

                    B.  Disability.   If  an  optionee  ceases  to  be  employed
                        -----------
             by  the  Company  and  all  Related  Corporations  by reason of his
             or  her  disability,  any   Option   theretofore  granted  to  such
             optionee  shall  remain  exercisable  until  the  date which is (i)
             in  the case of  ISOs,  the  earlier   of  such   ISOs'   specified
             expiration   date  or  180 days  from the date  of the  termination
             of   such   optionee's   employment   or  (ii)   in  the  case   of
             Non-Qualified   Options,   the   earlier   of   the   Non-Qualified
             Options  specified   expiration  date  or  33 months  from the date
             of the termination  of  the  optionee's  employment,  to the extent
             of the number of shares (a)  which,   in  the case  of ISOs,   have
             vested prior  to and  during  the  period specified in  clause  (i)
             and (b)  which,  in the case  of   Non-Qualified   Options,    have
             vested   prior  to  and  during  the period which is 30 months from
             the  date  the   optionee   ceases  to be employed by the  Company.
             For  the  purposes  of  the Plan,  the term "disability" shall mean
             "permanent   and   total   disability"   as   defined   in  Section
             22(e)(3) of the Code or any successor statute.

         11. Assignability. No Option shall be assignable or transferable by the
             --------------
optionee except by will or by the laws of descent and  distribution,  and during
the lifetime of the optionee shall be exercisable only by such optionee.

         12. Terms and  Conditions  of Options.  Options  shall  be evidenced by
             ----------------------------------
instruments  (which need not be  identical)  in such forms as the  Committee may
from time to time  approve.  Such  instruments  shall  conform  to the terms and
conditions  set forth in  paragraphs  6 through 11 hereof and may  contain  such
other  provisions as the Committee deems  advisable  which are not  inconsistent
with the Plan,  including  restrictions  applicable  to  shares of Common  Stock
issuable  upon  exercise  of  Options.   The  Committee  may  specify  that  any
Non-Qualified  Option shall be subject to the restrictions set forth herein with
respect to ISOs, or to such other termination and cancellation provisions as the
Committee may  determine.  The Committee may from time to time confer  authority
and responsibility on one or more of its own members and/or one or more officers
of the Company to execute and deliver such  instruments.  The proper officers of
the Company are authorized and directed to take any and all action  necessary or
advisable from time to time to carry out the terms of such instruments.

         13. Adjustments. Upon the occurrence of any of the following events, an
             ------------
optionee's  rights with respect to Options  granted to such  optionee  hereunder
shall  be  adjusted  as  hereinafter  provided,  unless  otherwise  specifically
provided in the written  agreement between the optionee and the Company relating
to such Option:

                    A. Stock Dividends and Stock Splits. If the shares of Common
                       ---------------------------------
             Stock  shall be  subdivided  into a  greater or smaller  number  of
             shares  or if the Company shall issue any shares of Common Stock as
             a stock  dividend on  its  outstanding  Common  Stock,  the  number
             of shares of Common Stock deliverable upon the exercise  of Options
             shall  be  appropriately increased or  decreased   proportionately,
             and appropriate  adjustments shall  be made  in the  purchase price
             per  share  to  reflect  such  subdivision,  combination  or  stock
             dividend.

<PAGE>   8
                                      -8-

                    B.  Consolidations  or  Mergers.  If  the  Company  is to be
                        ----------------------------
             consolidated  with or acquired by another entity in a merger,  sale
             of all or  substantially  all of the Company's  assets or otherwise
             (each, an  "Acquisition"),  the Committee or the board of directors
             of any entity  assuming the  obligations  of the Company  hereunder
             (the "Successor Board"),  shall, as to outstanding Options,  either
             (i) make appropriate provision for the continuation of such Options
             by  substituting  on an equitable basis for the shares then subject
             to such  Options  the  consideration  payable  with  respect to the
             outstanding   shares  of  Common  Stock  in  connection   with  the
             Acquisition;  or (ii) to the extent not  inconsistent  with tax and
             accounting  principles  applicable to the subject Options, (A) upon
             written notice to the  optionees,  provide that all Options must be
             exercised, to the extent then exercisable within a specified number
             of days of the date of such notice,  at the end of which period the
             Options shall  terminate;  or (B) terminate all Options in exchange
             for a cash payment  equal to the excess of the fair market value of
             the shares subject to such Options (to the extent then  exercisable
             or to be  exercisable  as a  result  of the  Acquisition)  over the
             exercise price thereof.

                    C.  Recapitalization  or  Reorganization.  In the event of a
                        -------------------------------------
             recapitalization or reorganization of the Company pursuant to which
             securities of the Company or of another corporation are issued with
             respect to the outstanding shares of Common Stock, an optionee upon
             exercising  an Option shall be entitled to receive for the purchase
             price paid upon such  exercise the  securities he or she would have
             received  if he or she had  exercised  such  Option  prior  to such
             recapitalization or reorganization.

                    D. Modification of ISOs.  Notwithstanding the foregoing, any
                       ---------------------
             adjustments  made pursuant to  subparagraphs A, B or C with respect
             to ISOs shall be made only after the  Committee,  after  consulting
             with counsel for the Company,  determines  whether such adjustments
             would  constitute  a  "modification"  of such ISOs (as that term is
             defined in Section  424 of the Code) or would cause any adverse tax
             consequences  for  the  holders  of  such  ISOs.  If the  Committee
             determines  that such  adjustments  made with respect to ISOs would
             constitute a  modification  of such ISOs or would cause adverse tax
             consequences  to the  holders,  it may  refrain  from  making  such
             adjustments.

                    E. Dissolution or Liquidation.  In the event of the proposed
                       ---------------------------
             dissolution  or  liquidation  of  the  Company,  each  Option  will
             terminate  immediately  prior to the  consummation of such proposed
             action or at such other time and  subject to such other  conditions
             as shall be determined by the Committee.

                    F. Issuances of  Securities.  Except as  expressly  provided
                       ------------------------- 
             herein, no issuance by the Company of shares of stock of any class,
             or securities  convertible into shares of stock of any class, shall
             affect,  and no  adjustment  by reason  thereof  shall be made with
             respect to, the number or price of shares  subject to  Options.  No

<PAGE>   9
                                      -9-

             adjustments shall be made for dividends paid in cash or in property
             other than securities of the Company.

                    G. Fractional  Shares.  No fractional shares shall be issued
                       -------------------
             under the Plan and the optionee shall receive from the Company cash
             in lieu of such fractional shares.

                    H.  Adjustments.  Upon the  happening  of any of the  events
                        ------------
             described in subparagraphs A, B or C above, the class and aggregate
             number of shares set forth in  paragraph  4 hereof that are subject
             to Stock Rights which  previously have been or subsequently  may be
             granted  under the Plan shall  also be  appropriately  adjusted  to
             reflect the events described in such  subparagraphs.  The Committee
             or the Successor Board shall determine the specific  adjustments to
             be made under this  paragraph  13 and,  subject to paragraph 2, its
             determination shall be conclusive.

         If any person or entity  owning  restricted  Common  Stock  obtained by
exercise of an Option receives shares or securities or cash in connection with a
corporate  transaction described in subparagraphs A, B or C above as a result of
owning such restricted  Common Stock, such shares or securities or cash shall be
subject to all of the conditions and  restrictions  applicable to the restricted
Common  Stock  with  respect  to which such  shares or  securities  or cash were
issued, unless otherwise determined by the Committee or the Successor Board.

         14. Means of Exercising  Options. An Option (or any part or installment
             -----------------------------
thereof)  shall be  exercised  by giving  written  notice to the  Company at its
principal office address.  Such notice shall identify the Option being exercised
and  specify  the number of shares as to which such  Option is being  exercised,
accompanied by full payment of the purchase price therefor  either (a) in United
States  dollars in cash or by check,  (b) at the  discretion  of the  Committee,
through  delivery of shares of Common  Stock having a fair market value equal as
of the date of the exercise to the cash exercise price of the Option, (c) at the
discretion of the Committee in exceptional  cases,  by delivery of the grantee's
personal  recourse  note bearing  interest  payable not less than annually at no
less than 100% of the  lowest  applicable  Federal  rate,  as defined in Section
1274(d)  of  the  Code,  or  (d) at the  discretion  of  the  Committee,  by any
combination of (a), (b) and (c) above. If the Committee exercises its discretion
to permit  payment of the  exercise  price of an ISO by means of the methods set
forth in clauses  (b), (c) or (d) of the  preceding  sentence,  such  discretion
shall be  exercised  in writing at the time of the grant of the ISO in question.
Alternatively,  payment  may be made in whole or in part in shares of the Common
Stock of the  Company  already  owned by the  person or persons  exercising  the
Option  or  shares  subject  to the  Option  being  exercised  (subject  to such
restrictions  and  guidelines  as the  Board may  adopt  from time to time),  or
consistent  with  applicable  law,  through the delivery of an assignment to the
Company of a sufficient amount of the proceeds from the sale of the Common Stock
acquired  upon  exercise  of the  Option and an  authorization  to the broker or
selling  agent to pay that  amount to the  Company,  which  sale shall be at the
participant's  direction at the time of exercise,  provided  that the  Committee
shall allow for such  payment at the time of grant of the ISO.  The holder of an
Option  shall not have the rights of a  shareholder  with  respect to the shares

<PAGE>   10
                                      -10-

covered by such Option until the date of issuance of a stock certificate to such
holder for such shares.  Except as expressly provided above in paragraph 13 with
respect to changes in capitalization and stock dividends, no adjustment shall be
made for  dividends  or similar  rights for which the record  date is before the
date such stock certificate is issued.

         15. Term and  Amendment of Plan.  This Plan was adopted by the Board on
             ----------------------------
January 28,  1997,  and shall  expire at the end of the day on January 25,  2007
(except  as to  Options  outstanding  on that  date).  The Board may at any time
terminate this Plan or make such  modification or amendment  thereof as it deems
advisable;  provided, however, that the Board may not modify or amend this Plan,
            --------- --------
without  approval  by the  affirmative  vote of the holders of a majority of the
securities of the Company  present,  or  represented,  and entitled to vote at a
meeting duly held in accordance  with the applicable  laws of the state in which
the Company is incorporated,  if (i) such approval would be necessary for Option
grants under the Plan to qualify for favorable  treatment  under Sections 162(m)
or 422 of the  Code,  or any  successor  provisions;  or (ii) such  approval  is
otherwise  required by law or the rules of any national  securities  exchange or
inter-dealer  quotation system on which the Common Stock is then listed (in each
case, at the time of any such  modification  or  amendment).  Termination or any
modification  or  amendment  of  this  Plan  shall  not,  without  consent  of a
participant,  affect his or her rights under an option previously granted to him
or her.

         16. Conversion of ISOs into Non-Qualified  Options.  The Committee,  at
             -----------------------------------------------
the written  request or with the  written  consent of any  optionee,  may in its
discretion take such actions as may be necessary to convert such optionee's ISOs
(or any  installments  or portions of  installments  thereof) that have not been
exercised on the date of conversion into Non-Qualified Options at any time prior
to the  expiration  of such ISOs,  regardless  of  whether  the  optionee  is an
employee of the Company or a Related Corporation at the time of such conversion.
Such actions may include,  but shall not be limited to,  extending  the exercise
period or reducing the exercise price of the  appropriate  installments  of such
ISOs. At the time of such  conversion,  the  Committee  (with the consent of the
optionee)  may  impose  such   conditions  on  the  exercise  of  the  resulting
Non-Qualified Options as the Committee in its discretion may determine, provided
that such conditions  shall not be inconsistent  with this Plan.  Nothing in the
Plan shall be deemed to give any optionee the right to have such optionee's ISOs
converted into Non-Qualified  Options,  and no such conversion shall occur until
and unless  the  Committee  takes  appropriate  action.  Upon the taking of such
action,  the Company  shall issue  separate  certificates  to the optionee  with
respect to Options that are Non-Qualified Options and Options that are ISOs. The
Committee,  with the consent of the optionee,  may also terminate any portion of
any ISO that has not been exercised at the time of such termination.

         17. Application Of Funds.  The proceeds received by  the  Company  from
             ---------------------
the sale of shares pursuant to Options granted and  Purchases  authorized  under
the Plan shall be used for general corporate purposes.

         18. Notice to Company of Disqualifying  Disposition.  Each employee who
             ------------------------------------------------
receives an ISO shall agree to notify the Company in writing  immediately  after
such optionee makes a  Disqualifying  Disposition (as described in Sections 421,

<PAGE>   11
                                      -11-

422 and 424 of the  Code  and  regulations  thereunder)  of any  stock  acquired
pursuant  to the  exercise  of ISOs  granted  under  the Plan.  A  Disqualifying
Disposition is generally any disposition occurring on or before the later of (a)
the date two years  following  the date the ISO was  granted or (b) the date one
year following the date the ISO was exercised.

         19. Withholding  of Additional  Income  Taxes.   Upon the exercise of a
             ------------------------------------------
Non-Qualified  Option, the transfer of a Non-Qualified  Stock Option pursuant to
an arm's-length transaction,  the grant of an Award, the making of a Purchase of
Common Stock for less than its fair market value,  the making of a Disqualifying
Disposition  (as defined in paragraph 18), the vesting or transfer of restricted
stock or  securities  acquired on the  exercise of an Option  hereunder,  or the
making  of a  distribution  or  other  payment  with  respect  to such  stock or
securities, the Company may withhold taxes in respect of amounts that constitute
compensation  includible in such Optionee's  gross income.  The Committee in its
discretion  may condition (i) the exercise of an Option,  (ii) the transfer of a
Non-Qualified  Stock Option,  (iii) the grant of an Award,  (iv) the making of a
Purchase of Common Stock for less than its fair market value, or (v) the vesting
or transferability  of restricted stock or securities  acquired by exercising an
Option, on the grantee's making  satisfactory  arrangement for such withholding.
Such  arrangement  may include payment by the grantee in cash or by check of the
amount of the withholding  taxes or, at the discretion of the Committee,  by the
grantee's  delivery of previously held shares of Common Stock or the withholding
from the shares of Common Stock otherwise  deliverable upon exercise of a Option
shares  having  an  aggregate  fair  market  value  equal to the  amount of such
withholding taxes.

         20. Governmental Regulation.  The  Company's  obligation  to  sell  and
             ------------------------
deliver shares of Common Stock under this Plan is subject to the approval of any
governmental authority required in connection  with  the authorization, issuance
or sale of such shares.

         Government regulations may impose reporting or other obligations on the
Company  with respect to the Plan.  For example,  the Company may be required to
send tax information  statements to employees and former employees that exercise
ISOs under the Plan,  and the Company  may be  required to file tax  information
returns  reporting the income received by grantees of Options in connection with
the Plan.

         21. Governing  Law. The validity and  construction  of the Plan and the
             ---------------
instruments  evidencing  Stock  Rights  shall  be  governed  by the  laws of The
Commonwealth of Massachusetts, or the  laws of any  jurisdiction  in  which  the
Company or its successors in interest may be organized.





<PAGE>   1
                                                                 EXHIBIT  10.15
[Teradyne, Inc. Letterhead]

Mr. John E. Halter
576 E. Crescent Drive
Palo Alto, CA 94301

                                January 24, 1997

Dear Jack:

The purpose of this letter is to confirm our agreement regarding your employment
status.

As we discussed, effective with the date of this letter, you resign from any and
all  offices  and  directorships  which you hold at  Teradyne,  Inc.  and any of
Teradyne's  subsidiaries or their subsidiaries and branches.  However, you shall
remain an employee of Teradyne in  accordance  with the terms  described in your
Employment Agreement dated December 1, 1995, as modified in this letter.

You will  remain an  employee  through  November  30,  1997,  at which time your
employment  will cease,  unless earlier  terminated for cause in accordance with
the  December 1, 1995  Employment  agreement.  During  this period your  monthly
compensation  will be  $22,917.00  per month,  and we expect you may be asked to
devote as much as 50% of your time to Teradyne,  as  requested  by us.  However,
should you find another job,  which we agree is not  competitive  with Teradyne,
before December 1, 1997, your salary will be reduced to $1,000.00 per month.

During your remaining  term of employment  you will not  participate in Teradyne
benefit plans or compensation  programs  (including  Variable  Compensation  and
Profit Sharing),  except that while you are employed solely by Teradyne, you may
continue participation in the following:  health, dental, and vision plans, with
Teradyne paying its normal (approx.  75%) share; life insurance and supplemental
life  insurance  (to the extent you  presently  participate);  and our 401k plan
(however,  you will not be eligible for any company match).  Upon termination of
employment,  in accordance  with COBRA,  you may continue to  participate in the
health,  dental and vision  plans,  at your sole expense for up to 18 months (or
until age 65, which ever comes first).

While you are employed by Teradyne your options will continue to vest 1/16th per
quarter at the end of each of the following quarters: February 28, 1997, May 31,
1997,  August  31,  1997  and  November  30,  1997.  Upon  your  termination  of
employment,  vesting  will  cease,  and you shall have 90 days to  exercise  any
vested and  unexercised  options (but only 30 days for the 350 share ISO grant).
Any unused flex  amounts due you will be paid within 30 days of  termination  of
employment. Also, while you are employed, you will continue to have a voice mail
and e-mail account,  although you will vacate your office no later than March 1,
1997.

Assuming you agree to the above,  please sign the  enclosed  copy of this letter
and return it to me.

                                              Sincerely,
                                              Teradyne, Inc.

                                              /s/ James A. Prestridge
                                              -----------------------
                                              James A. Prestridge
                                              Vice Chairman

Above Agreed to:
By:/s/ John E. Halter               Date: 1/24/97
- ---------------------               -------------
   John E. Halter

<PAGE>   1
 
                                                                    EXHIBIT 22.1
 
                              PRESENT SUBSIDIARIES
 
<TABLE>
<CAPTION>
                                                                                        PERCENTAGE
                                                                     STATE OR           OF VOTING
                                                                   JURISDICTION         SECURITIES
                                                                   INCORPORATION          OWNED
                                                                -------------------     ----------
<S>                                                             <C>                     <C>
Teradyne Benelux, Inc. (Ltd.).................................  Delaware                    100%
Teradyne Canada Limited.......................................  Canada                      100%
Teradyne GmbH.................................................  Germany                     100%
Teradyne Holdings, Inc........................................  New Hampshire               100%
Teradyne Holdings Limited.....................................  United Kingdom              100%
  Teradyne Limited............................................  United Kingdom              100%
Teradyne Hong Kong, Ltd. .....................................  Delaware                    100%
Teradyne International, Ltd. .................................  U.S. Virgin Islands         100%
Teradyne Ireland Limited......................................  Ireland                     100%
Teradyne Italia S.r.L. .......................................  Italy                       100%
Teradyne Japan, Ltd. .........................................  Delaware                    100%
  Teradyne K.K. ..............................................  Japan                       100%
Teradyne Korea, Ltd. .........................................  Delaware                    100%
Teradyne Leasing, Inc. .......................................  Massachusetts               100%
Teradyne Malaysia, Ltd. ......................................  Delaware                    100%
Teradyne Midnight Networks Inc................................  Delaware                    100%
Teradyne Netherlands B.V. ....................................  Netherlands                 100%
Teradyne Netherlands, Ltd. ...................................  Delaware                    100%
Teradyne Realty, Inc. ........................................  Massachusetts               100%
Teradyne S.A. ................................................  France                      100%
Teradyne Scandinavia, Inc. ...................................  Delaware                    100%
Teradyne Singapore, Ltd. .....................................  Delaware                    100%
Teradyne Software and Systems Test, Inc. .....................  Delaware                    100%
Teradyne Taiwan, Ltd. ........................................  Delaware                    100%
Control Automation, Inc.......................................  Delaware                    100%
Hammer Technologies, Inc. ....................................  Massachusetts               100%
Kinetrix, Inc.................................................  Delaware                     84%
Megatest Corporation..........................................  Delaware                    100%
  Megatest Limited............................................  United Kingdom              100%
  Megatest SARL...............................................  France                      100%
  Megatest GmbH...............................................  Germany                     100%
  Megatest H.K. Ltd. .........................................  Hong Kong                   100%
  Teradyne Philippines Ltd....................................  California                  100%
  Megatest International Sales Corporation....................  Barbados                    100%
  Megatest Asia Pte. Ltd. ....................................  Singapore                   100%
Zehntel Holdings, Inc. .......................................  California                  100%
1000 Washington, Inc. ........................................  Massachusetts               100%
</TABLE>

<PAGE>   1
 
                                                                    EXHIBIT 23.1
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We consent to the incorporation by reference in the registration statements
of Teradyne, Inc. on Form S-8 (File Nos. 33-25868; 33-16077; 33-42352; 33-38251;
33-55123; 33-64683; and 333-07177) and Form S-3 (File No. 33-44347) of our
report dated January 17, 1997, on our audits of the consolidated financial
statements of Teradyne, Inc. as of December 31, 1996 and 1995, and for each of
the three years in the period ended December 31, 1996, which report is included
in this Annual Report on Form 10-K.
 
                                          COOPERS & LYBRAND L.L.P.
 
Boston, Massachusetts
March 26, 1997

<PAGE>   1
 
                                                                    EXHIBIT 23.2
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 33-64683; 33-25868; 33-16077; 33-42352; 33-38251;
33-55123; and 333-07177) and Form S-3 (File No. 33-44347) of Teradyne, Inc. of
our report dated September 20, 1995 relating to the consolidated financial
statements of Megatest Corporation and its subsidiaries as of and for the year
ended August 31, 1994, which report is included in this Annual Report on Form
10-K.
 
                                          PRICE WATERHOUSE LLP
 
San Jose, California
March 26, 1997

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AT DECEMBER 31, 1996 AND THE CONSOLIDATED STATEMENT
OF INCOME FOR THE YEAR ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                         201,452
<SECURITIES>                                    48,266
<RECEIVABLES>                                  180,366
<ALLOWANCES>                                     1,936
<INVENTORY>                                    138,954
<CURRENT-ASSETS>                               617,108
<PP&E>                                         563,585
<DEPRECIATION>                                 290,088
<TOTAL-ASSETS>                               1,096,816
<CURRENT-LIABILITIES>                          225,257
<BONDS>                                         15,650
                                0
                                          0
<COMMON>                                        10,310
<OTHER-SE>                                     831,701
<TOTAL-LIABILITY-AND-EQUITY>                 1,096,816
<SALES>                                      1,171,615
<TOTAL-REVENUES>                             1,171,615
<CGS>                                          724,624
<TOTAL-COSTS>                                1,048,820
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,427
<INCOME-PRETAX>                                139,663
<INCOME-TAX>                                    46,089
<INCOME-CONTINUING>                             93,574
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    93,574
<EPS-PRIMARY>                                     1.10
<EPS-DILUTED>                                     1.10
        

</TABLE>


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