DATA SYSTEMS & SOFTWARE INC
8-K, 1999-10-13
SEMICONDUCTORS & RELATED DEVICES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K
                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported) October 12, 1999

                          DATA SYSTEMS & SOFTWARE INC.
             (Exact name of Registrant as Specified in its Charter)

             ------------------------------------------------------

        Delaware                     0-19771                   22-2786081
- ----------------------------  ------------------------       -------------
(State or Other Jurisdiction  (Commission file Number)       (IRS Employer
     of Incorporation)                                     Identification No.)

            200 Route 17, Mahwah, New Jersey                07430
        ----------------------------------------------------------------
        (Address of Principal Executive Offices)          (Zip Code)

        Registrant's telephone number, including area code (201) 529-2026
                                                           --------------

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<PAGE>

Item 5. Other Events.

     On October 12, 1999,  the  Registrant  completed a private  placement of $2
million of 0%  Convertible  Subordinated  Debentures  and  100,000  Warrants  to
purchase  Common Stock of the Registrant.  The Debentures,  which are payable in
October 2001, do not bear interest.  The Debentures are convertible  into Common
Stock of the Company at a  conversion  price equal to the lower of (i)  $3.06625
and (ii) 85% of the average of the  closing bid prices for the Common  Stock for
the five trading days preceding delivery of a notice of conversion. The Warrants
are exercisable at an exercise price of $ 3.06625 per share. The warrants expire
in October 2002.  The  Debentures  and Warrants were  purchased by an investment
fund managed by WEC Asset Management, a New York-based money manager.

     The  Registrant  has  agreed  to file  with  the  Securities  and  Exchange
Commission and bring effective a registration  statement  registering the resale
of the shares of Common Stock  issuable upon  conversion of the  Debentures  and
exercise of the Warrants.

     The  Registrant  intends to use the  proceeds of the  placement to fund its
operations,  particularly  particularly  the data  communication  solutions  for
utilities  activities  conducted  by  the  Registrant's   Comverge  Technologies
subsidiary.


Item 7. Financial Statements, Pro Forma Financial Information and Exhibits.

     (c)  Exhibits

     Exhibit 1--Securities  Purchase Agreement relating to the purchase and sale
of  the  Registrant's  0%  Convertible  Subordinated  Debentures  and  Warrants,
including forms of the Debentures,  Warrants and  Registration  Rights Agreement
annexed as exhibits thereto.


<PAGE>

                                     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,  hereunto  duly  authorized,  in the Township of
Mahwah, State of New Jersey, on October 12, 1999.


                         DATA SYSTEMS & SOFTWARE INC.



                         BY: /s/ George Morgenstern
                            ------------------------------------------
                                 CHAIRMAN OF THE BOARD, PRESIDENT
                                    AND CHIEF EXECUTIVE OFFICER



                          SECURITIES PURCHASE AGREEMENT

     THIS  SECURITIES  PURCHASE  AGREEMENT,  dated as of October  12,  1999,  is
entered into by and between Data Systems & Software Inc., a Delaware corporation
(the "Company"),  and Bounty Investors LLC, a Delaware limited liability company
(the "Purchaser").

                              W I T N E S S E T H:

     WHEREAS,  the Company and the Purchaser are executing and  delivering  this
Agreement  in  reliance  upon  the  exemptions  from  registration  provided  by
Regulation  D  ("Regulation  D")  promulgated  by the  Securities  and  Exchange
Commission (the "Commission")  under the Securities Act of 1933, as amended (the
"Securities Act"), and/or Section 4(2) of the Securities Act; and

     WHEREAS, the Purchaser wishes to purchase, and the Company wishes to issue,
upon the terms and  subject to the  conditions  of this  Agreement,  two million
dollars   ($2,000,000)   principal   amount  of  the  Company's  0%  Convertible
Subordinated  Debentures  (the  "Debentures")  and warrants (the  "Warrants") to
purchase one hundred thousand  (100,000) shares of common stock of the Company's
common stock, par value $.01 per share (the "Common Stock").  The Debentures are
convertible,  at the holder's  option,  into the Company's  Common Stock, on the
terms set forth  therein,  and the Warrants may be exercised for the purchase of
Common Stock, on the terms set forth therein.

     NOW,  THEREFORE,  in consideration of the premises and the mutual covenants
contained  herein and other good and  valuable  consideration,  the  receipt and
sufficiency of which are hereby acknowledged, the parties agree as follows:

1.   AGREEMENT TO PURCHASE; PURCHASE PRICE

     a.  Purchase of  Securities.  On the Closing  Date (as defined  herein) the
Purchaser  hereby  agrees to purchase  from the Company  (i)  Debentures  in the
principal amount of two million dollars  ($2,000,000),  which shall be issued in
substantially the form attached hereto as Exhibit A, for a purchase price of one
million nine hundred ninety-one thousand dollars  ($1,991,000) and (ii) Warrants
to purchase one hundred thousand  (100,000) shares of Common Stock,  which shall
be issued in substantially the form attached hereto as Exhibit B, for a purchase
price of nine thousand dollars ($9,000).  The aggregate  purchase price for such
Debentures and Warrants  (collectively,  the "Securities")  shall be two million
dollars ($2,000,000), and shall be payable in same day funds.

     b.  Closings.  The  Debentures  and the  Warrants  to be  purchased  by the
Purchaser  hereunder,   in  definitive  form,  and  in  such  denominations  and
registered  in such names as the  Purchaser or its  representative,  if any, may
request  upon notice to the  Company,  shall be delivered by or on behalf of the
Company for the account of the Purchaser, against payment by

<PAGE>

the Purchaser or on its behalf of the purchase  price  therefor by wire transfer
to an account of the  Company,  all at the  offices of Pryor  Cashman  Sherman &
Flynn LLP, 410 Park Avenue,  New York,  New York 10022,  at 9:30 a.m.,  New York
time on October 12, 1999, or at such other time and date as the Purchaser or its
representative,  if any,  and the Company  may agree upon in writing,  such date
being referred to herein as the "Closing Date."

2.   REPRESENTATIONS  AND  WARRANTIES OF THE PURCHASER;  ACCESS TO  INFORMATION;
     INDEPENDENT INVESTIGATION.

     The  Purchaser  represents  and warrants to, and covenants and agrees with,
the Company as follows:

     a. The Purchaser and each of its equity owners is (i) experienced in making
investments of the kind  described in this Agreement and the related  documents,
(ii) able, by reason of the business and financial experience of its management,
to protect its own interests in connection  with the  transactions  described in
this  Agreement and the related  documents,  and (iii) able to afford the entire
loss of its investment in the Securities.

     b. All subsequent offers and sales of the Debentures, the Warrants, and the
Common Stock  issuable  upon  conversion  or exercise of, or in lieu of interest
payments  on the  Debentures  or the  Warrants,  shall  be made  pursuant  to an
effective  registration  statement  under the  Securities  Act or pursuant to an
applicable exemption from such registration.

     c. The Purchaser understands that the Securities are being offered and sold
to it in reliance upon  exemptions  from the  registration  requirements  of the
United States federal  securities laws, and that the Company is relying upon the
truth and accuracy of the Purchaser's  representations  and warranties,  and the
Purchaser's  compliance with its agreements,  each as set forth herein, in order
to determine the  availability  of such  exemptions  and the  eligibility of the
Purchaser to acquire the Securities.

     d. The Purchaser:  (A) has been provided with sufficient  information  with
respect to the  business  of the  Company  and such  documents  relating  to the
Company as the Purchaser has requested and Purchaser has carefully  reviewed the
same including,  without limitation, the Company's Form 10-K for the fiscal year
ended December 31, 1998 filed with the Securities and Exchange  Commission ("the
Commission"),  (B) has been  provided  with  such  additional  information  with
respect  to  the  Company  and  its  business  and  financial  condition  as the
Purchaser, or the Purchaser's agent or attorney, has requested,  and (C) has had
access  to  management  of the  Company  and  the  opportunity  to  discuss  the
information  provided by management  of the Company and any  questions  that the
Purchaser had with respect  thereto have been answered to the full  satisfaction
of the Purchaser.

     e. The Purchaser has the requisite  corporate  power and authority to enter
into this  Agreement and this  Agreement  has been duly and validly  authorized,
executed  and  delivered on behalf of the  Purchaser  and is a valid and binding
agreement of the Purchaser,  enforceable in accordance with its terms, except to
the extent that  enforcement  of this  Agreement  may be limited by  bankruptcy,
insolvency,  reorganization,  moratorium, fraudulent conveyance or other


                                       2
<PAGE>

similar laws now or hereafter in effect relating to creditors'  rights generally
and to general principles of equity.

     f. This Agreement and the  registration  rights  agreement,  dated the date
hereof,  between  the  Company  and  the  Purchaser  (the  "Registration  Rights
Agreement"),  and the transactions  contemplated  hereby and thereby,  have been
duly and validly authorized by the Purchaser; and such agreements, when executed
and  delivered by each of the Purchaser and the Company will each be a valid and
binding  agreement  of the  Purchaser,  enforceable  in  accordance  with  their
respective  terms,  except to the extent that enforcement of each such agreement
may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent
conveyance  or other  similar  laws  now or  hereafter  in  effect  relating  to
creditors' rights generally and to general principles of equity.

3.   REPRESENTATIONS OF THE COMPANY

     The Company represents and warrants to the Purchaser that:

     a.  Organization.  The Company is a  corporation  duly  organized,  validly
existing and in good standing  under the laws of the State of Delaware.  Each of
the Company's subsidiaries is a corporation duly organized, validly existing and
in good  standing  under the laws of its  respective  jurisdiction.  Each of the
Company and its  subsidiaries is duly qualified as a foreign  corporation in all
jurisdictions  in which the failure to so qualify would have a material  adverse
effect on the Company and its subsidiaries taken as a whole. Schedule 3(a) lists
all subsidiaries of the Company which have any material  liabilities,  assets or
activities and, except as noted therein, all of the outstanding capital stock of
such subsidiaries is owned of record and beneficially by the Company.

     b.  Capitalization.  On the date  hereof,  the  authorized  capital  of the
Company consists of 20,000,000 shares of Common Stock, par value $.01 per share,
of which 7,433,278 are issued and  outstanding.  Schedule 3(b) sets forth all of
the options,  warrants and convertible  securities of the Company, and any other
rights to acquire  securities  of the  Company  (collectively,  the  "Derivative
Securities")  which are  outstanding on the date hereof,  including in each case
(i) the name and class of such  Derivative  Securities,  (ii) the issue  date of
such  Derivative  Securities,  (iii) the number of shares of Common Stock of the
Company into which such  Derivative  Securities  are  convertible as of the date
hereof,  (iv) the  conversion  or  exercise  price or prices of such  Derivative
Securities as of the date hereof,  (v) the expiration  date of any conversion or
exercise  rights held by the owners of such  Derivative  Securities and (vi) any
registration  rights  associated with such Derivative  Securities or outstanding
Common Stock.

     c.  Concerning the  Debentures,  the Warrants and Common Stock.  The Common
Stock  issuable  upon  conversion  of, or in lieu of interest  payments  on, the
Debentures,  and upon exercise of the Warrants,  when issued,  shall be duly and
validly issued,  fully paid and non-assessable,  and will not subject the holder
thereof to  personal  liability  by reason of being such a holder.  There are no
preemptive rights of any stockholder of the Company,  as such, to acquire any of
the  Securities,  or the Common Stock issuable to the Purchaser  pursuant to the
terms of the Debentures and the Warrants.


                                       3
<PAGE>

     d. Reporting  Company Status.  The Common Stock is registered under Section
12 of the Securities  Exchange Act of 1934, as amended (the "Exchange Act"). The
Company has duly filed all materials and documents required to be filed pursuant
to all reporting obligations under either Section 13(a) or 15(d) of the Exchange
Act, if any, prior to the offer and sale of the Securities.  The Common Stock is
listed and traded on the Nasdaq National Market  ("Nasdaq"),  and the Company is
not aware of any pending or  contemplated  action or  proceeding  of any kind to
suspend the trading of the Common Stock.

     e. Authorized Shares. The Company has legally available a sufficient number
of authorized and unissued  shares of Common Stock as may be necessary to effect
the conversion of the  Debentures and the exercise of the Warrants.  The Company
understands and acknowledges the potentially dilutive effect to the Common Stock
of the issuance of shares of Common Stock upon  conversion of the Debentures and
the  exercise  of the  Warrants.  The  Company  further  acknowledges  that  its
obligation to issue shares of Common Stock upon conversion of the Debentures and
upon  exercise of the Warrants is absolute and  unconditional  regardless of the
dilutive effect that such issuance may have on the ownership  interests of other
stockholders  of the Company and  notwithstanding  the  commencement of any case
under 11  U.S.C.  ss.  101 et seq.  (the  "Bankruptcy  Code").  In the event the
Company becomes a debtor under the Bankruptcy Code, the Company hereby waives to
the fullest  extent  permitted  any rights to relief it may have under 11 U.S.C.
ss. 362 in respect of the  conversion of the  Debentures and the exercise of the
Warrants. The Company agrees, without cost or expense to the Purchaser,  to take
or consent to any and all action necessary to effectuate  relief under 11 U.S.C.
ss. 362.

     f. Legality. The Company has the requisite corporate power and authority to
enter into this Agreement and to issue and deliver the Debentures, the Warrants,
and the  Common  Stock  issuable  upon  conversion  of,  or in lieu of  interest
payments on, the Debentures and the exercise of the Warrants.

     g.  Transaction  Agreements.   This  Agreement,   the  Registration  Rights
Agreement,   the  Debentures  and  the  Warrants  (collectively,   the  "Primary
Documents"),  and the transactions  contemplated  hereby and thereby,  have been
duly and  validly  authorized  by the  Company;  this  Agreement  has been  duly
executed  and  delivered by the Company and this  Agreement  is, and the Primary
Documents,  when executed and  delivered by the Company,  will each be, a legal,
valid and binding agreement of the Company, enforceable in accordance with their
respective  terms,  except to the extent that enforcement of each of the Primary
Documents may be limited by bankruptcy, insolvency, reorganization,  moratorium,
fraudulent  conveyance or other similar laws now or hereafter in effect relating
to creditors' rights generally and to general principles of equity.

     h. Non-contravention. The execution and delivery of this Agreement and each
of the other Primary Documents, and the consummation by the Company of the other
transactions  contemplated  by this  Agreement  and  each of the  other  Primary
Documents,  does not and will not  conflict  with or  result  in a breach by the
Company of any of the terms or provisions of, or constitute a default under, the
Articles of Incorporation or By-laws of the Company,  or any material indenture,
mortgage, deed of trust or other agreement or instrument to which the


                                       4
<PAGE>

Company or any of its  subsidiaries  is a party or by which they or any of their
properties  or assets  are bound,  or any  existing  applicable  law,  rule,  or
regulation or any  applicable  decree,  judgment or order of any court or United
States federal or state regulatory  body,  administrative  agency,  or any other
governmental body having jurisdiction over the Company, its subsidiaries, or any
of their properties or assets. Except as set forth on Schedule 3(h), neither the
filing  of the  registration  statement  required  to be  filed  by the  Company
pursuant to the  Registration  Rights  Agreement nor the offering or sale of the
Debentures or the Warrants as  contemplated  by this Agreement gives rise to any
rights,  other than those which have been waived or satisfied on or prior to the
Closing Date,  for or relating to the  registration  of any shares of the Common
Stock.

     i.  Approvals.  No  authorization,   approval  or  consent  of  any  court,
governmental  body,  regulatory  agency,  self-regulatory  organization,   stock
exchange or market or the stockholders of the Company is required to be obtained
by the Company for the entry into or the  performance  of this Agreement and the
other Primary Documents.

     j. SEC Filings.  Except as set forth in Schedule 3(j),  none of the reports
or documents  filed by the Company with the  Commission  contained,  at the time
they were filed, any untrue statement of a material fact or omitted to state any
material fact required to be stated therein, or necessary to make the statements
made  therein,  in light of the  circumstances  under which they were made,  not
misleading.

     k. Stabilization. Neither the Company, nor any of its affiliates, has taken
or may take, directly or indirectly,  any action designed to cause or result in,
or which has  constituted  or which might  reasonably be expected to constitute,
the stabilization or manipulation of the price of the shares of Common Stock.

     l. Absence of Certain Changes.  Except as disclosed in Schedule 3(l) or the
Company's public filings with the Commission,  since December 31, 1998 there has
been no material  adverse  change nor any material  adverse  development  in the
business, properties,  operations,  financial condition, prospects,  outstanding
securities or results of operations of the Company.

     m. Full  Disclosure.  There is no fact  known to the  Company  (other  than
general  economic  conditions  known to the public  generally) that has not been
disclosed in writing to the Purchaser  (i) that could  reasonably be expected to
have a material  adverse  effect upon the condition  (financial or otherwise) or
the earnings, business affairs, properties or assets of the Company or (ii) that
could  reasonably be expected to materially and adversely  affect the ability of
the Company to perform the obligations set forth in the Primary  Documents.  The
representations and warranties of the Company set forth in this Agreement do not
contain  any untrue  statement  of a  material  fact or omit any  material  fact
necessary to make the statements contained herein, in light of the circumstances
under which they were made, not misleading.

     n. Title to  Properties;  Liens and  Encumbrances.  Except as  disclosed in
Schedule  3 (n) or in the  Company's  1998  Form  10-K or Form  10-Q for the six
months ended June 30, 1999, the Company has good and marketable  title to all of
its material properties and assets,  both real and personal,  and has good title
to all its leasehold interests, in each case subject


                                       5
<PAGE>

only  to  mortgages,  pledges,  liens,  security  interests,   conditional  sale
agreements, encumbrances or charges created in the ordinary course of business.

     o. Patents and Other Proprietary  Rights.  The Company has sufficient title
and  ownership  of  all  patents,   trademarks,   service  marks,  trade  names,
copyrights,  trade  secrets,  information,   proprietary  rights  and  processes
necessary for the conduct of its business as now conducted and as proposed to be
conducted,  and such business does not and would not conflict with or constitute
an infringement on the rights of others.

     p.  Permits.  The Company has all  franchises,  permits,  licenses  and any
similar  authority  necessary for the conduct of its business as now  conducted,
the  lack of which  would  materially  and  adversely  affect  the  business  or
financial condition of the Company. The Company is not in default in any respect
under any of such franchises, permits, licenses or similar authority.

     q.  Absence of  Litigation.  Except as disclosed  in the  Company's  public
filings with the Commission,  there is no action, suit,  proceeding,  inquiry or
investigation  before or by any court,  public  board or body pending or, to the
knowledge  of the  Company  or any of its  subsidiaries,  threatened  against or
affecting  the  Company  or any of its  subsidiaries,  in which  an  unfavorable
decision,  ruling  or  finding  would  have a  material  adverse  effect  on the
properties, business, condition (financial or other) or results of operations of
the  Company  and  its  subsidiaries,  taken  as a  whole,  or the  transactions
contemplated  by the  Primary  Documents,  or which would  adversely  affect the
validity or  enforceability  of, or the  authority  or ability of the Company to
perform its obligations under, the Primary Documents.

     r. No Default.  Each of the Company and its  subsidiaries is not in default
in the  performance  or  observance  of any  obligation,  covenant or  condition
contained  in any  indenture,  mortgage,  deed of trust or other  instrument  or
agreement to which it is a party or by which it or its property may be bound.

     s.  Transactions  with  Affiliates.  Except as disclosed  in the  Company's
public filings with the Commission,  there are no agreements,  understandings or
proposed transactions between the Company and any of its officers,  directors or
affiliates that, had they existed on December 31, 1998, would have been required
to be disclosed in the Company's 1998 Annual Report on Form 10-K.

     t.  Employment  Matters.  The  Company  is in  compliance  in all  material
respects with all  presently  applicable  provisions of the Employee  Retirement
Income Security Act of 1974, as amended, including the regulations and published
interpretations  thereunder  ("ERISA");  no  "reportable  event" (as  defined in
ERISA) has occurred with respect to any "pension plan" (as defined in ERISA) for
which the Company  would have any  liability;  the Company has not  incurred and
does not expect to incur  liability  under (i) Title IV of ERISA with respect to
termination  of, or withdrawal  from, any "pension plan" or (ii) Sections 412 or
4971 of the Internal Revenue Code of 1986, as amended, including the regulations
and published  interpretations  thereunder (the "Code"); and each "pension plan"
for which the Company would have any liability  that is intended to be qualified
under  Section  401(a) of the Code is so qualified in


                                       6
<PAGE>

all material respects and nothing has occurred,  whether by action or by failure
to act, which would cause the loss of such qualification.

     u.  Insurance.  The  Company  maintains  property  and  casualty,   general
liability, personal injury and other similar types of insurance with financially
sound  and  reputable  insurers  that  is  adequate,  consistent  with  industry
standards and the Company's  historical claims  experience.  The Company has not
received  notice from,  and has no knowledge of any threat by, any insurer (that
has issued any  insurance  policy to the Company)  that such insurer  intends to
deny coverage  under or cancel,  discontinue  or not renew any insurance  policy
presently in force.

     v. Taxes.  All applicable  tax returns  required to be filed by the Company
and each of its subsidiaries have been prepared and filed in compliance with all
applicable laws, or if not yet filed have been granted  extensions of the filing
dates which extensions have not expired,  and all taxes,  assessments,  fees and
other governmental  charges upon the Company,  its subsidiaries,  or upon any of
their respective properties,  income or franchises, shown in such returns and on
assessments  received by the Company or its  subsidiaries  to be due and payable
have been paid,  or adequate  reserves  therefor have been set up if any of such
taxes are being  contested in good faith; or if any of such tax returns have not
been  filed or if any such  taxes  have not been paid or so  reserved  for,  the
failure to so file or to pay would not in the aggregate have a material  adverse
effect  on  the  business  or  financial   condition  of  the  Company  and  its
subsidiaries, taken as a whole.

     w.  Foreign  Corrupt  Practices  Act.  Neither  the  Company nor any of its
directors,  officers or other  employees  has (i) used any Company funds for any
unlawful  contribution,  endorsement,  gift,  entertainment  or  other  unlawful
expense  relating to any  political  activity;  (ii) made any direct or indirect
unlawful payment of Company funds to any foreign or domestic government official
or employee;  (iii)  violated or is in violation of any provision of the Foreign
Corrupt  Practices  Act of 1977,  as  amended;  or (iv) made any bribe,  rebate,
payoff, influence payment,  kickback or other similar payment to any person. The
Company maintains a system of internal accounting controls sufficient to provide
reasonable  assurances  that (i)  transactions  are executed in accordance  with
management's general or specific  authorization;  (ii) transactions are recorded
as necessary to permit  preparation of financial  statements in conformity  with
generally  accepted  accounting  principles and to maintain  accountability  for
assets; (iii) access to assets is permitted only in accordance with management's
general or specific  authorization;  and (iv) the  recorded  accountability  for
assets is compared with existing assets at reasonable  intervals and appropriate
action is taken with respect to any differences.

     x.  Investment  Company  Act. The Company is not  conducting,  and does not
intend to conduct its  business in a manner  which would cause it to become,  an
"investment  company," as defined in Section 3(a) of the Investment  Company Act
of 1940, as amended.

     y. Agent Fees. Except for such compensation as is set forth in that certain
letter,  dated  October  12,  1999,  from the  Company to the sole  finder  (the
"Finder") for the  transaction  described in this Agreement (a copy of which has
been provided to the Purchaser), which compensation shall be paid by the Company
in  accordance  therewith,  the Company has not


                                       7
<PAGE>

incurred any liability for any finder's or brokerage fees or agent's commissions
in connection with the offer and sale of the  transactions  contemplated by this
Agreement.

z. Private Offering. Subject to the accuracy of the Purchaser's  representations
and  warranties set forth in Section 2 hereof,  the offer,  sale and issuance of
the Securities and the other  securities as  contemplated  by this Agreement are
exempt from the  registration  requirements  of the Securities  Act. The Company
agrees that  neither the Company nor anyone  acting on its behalf will offer any
of the Debentures, the Warrants, or any similar securities for issuance or sale,
or solicit  any offer to acquire any of the same from anyone so as to render the
issuance and sale of such securities subject to the registration requirements of
the  Securities  Act. The Company has not offered or sold the  Securities by any
form of general solicitation or general  advertising,  as such terms are used in
Rule 502(c) under the Securities Act.

aa.  Year 2000  Processing.  The  computer  systems  used by the Company and its
subsidiaries  (the "Systems"),  both hardware and software,  are in good working
order.  The  Company  has taken  steps that are  reasonable  to ensure  that the
occurrence of the year 2000 will not materially and adversely affect the Systems
of  the  Company,  its  subsidiaries,   or  their  business,   and  no  material
expenditures in excess of currently  budgeted items will be required in order to
cause such Systems to operate properly  following the change of the year 1999 to
2000.  The Company and its  subsidiaries  have resolved or are in the process of
resolving any issues  discovered as a result of year 2000 inquires or compliance
testing or otherwise  known to the Company,  and the Company is not aware of any
fact that would lead one  reasonably to conclude that the Company will be unable
to resolve any of such issues prior to December 31, 1999.

4.   CERTAIN COVENANTS AND ACKNOWLEDGMENTS.

     a.  Transfer  Restrictions.  The  Purchaser  acknowledges  that,  except as
provided in the Registration Rights Agreement,  (1) neither the Debentures,  the
Warrants,  nor the  Common  Stock  issuable  upon  conversion  of, or in lieu of
interest  payments on, the  Debentures or upon  exercise of the  Warrants,  have
been, and are not being,  registered  under the  Securities  Act, and may not be
transferred  unless  (A)  subsequently  registered  thereunder  or (B)  they are
transferred pursuant to an exemption from such registration; and (2) any sale of
the  Debentures,  the Warrants or the Common Stock  issuable upon  conversion or
exchange  thereof made in reliance upon Rule 144 under the Securities Act may be
made only in accordance with the terms of said Rule and further, if said Rule is
not applicable,  any resale of the Securities  under  circumstances in which the
seller,  or the  person  through  whom the sale is made,  may be deemed to be an
underwriter,  as that term is used in the Securities Act, may require compliance
with another exemption under the Securities Act and the rules and regulations of
the  Commission  thereunder.  The  provisions  of Section  4(a) and 4(b) hereof,
together  with the rights of the  Purchaser  under this  Agreement and the other
Primary  Documents,  shall be  binding  upon any  subsequent  transferee  of the
Debentures and the Warrants.

     b. Restrictive  Legend.  The Purchaser  acknowledges and agrees that, until
such time as the  Securities  or the Common Stock  issuable  upon  conversion or
exchange  thereof shall have been  registered  under the  Securities  Act or the
Purchaser  demonstrates  to the reasonable


                                       8
<PAGE>

satisfaction  of the  Company and its counsel  that such  registration  shall no
longer be required, such Securities or the Common Stock issuable upon conversion
or exchange  thereof may be subject to a stop-transfer  order placed against the
transfer of such Securities, and such Securities shall bear a restrictive legend
in substantially the following form:

           THESE SECURITIES (INCLUDING ANY UNDERLYING  SECURITIES) HAVE
           NOT BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933, AS
           AMENDED.  THEY MAY NOT BE SOLD,  OFFERED FOR SALE,  PLEDGED,
           HYPOTHECATED  OR OTHERWISE  TRANSFERRED IN THE ABSENCE OF AN
           EFFECTIVE  REGISTRATION STATEMENT AS TO THE SECURITIES UNDER
           SAID  ACT  OR  AN  OPINION  OF  COUNSEL  OR  OTHER  EVIDENCE
           REASONABLY   SATISFACTORY   TO   THE   COMPANY   THAT   SUCH
           REGISTRATION SHALL NO LONGER BE REQUIRED.

     c.  Filings.  The  Company  undertakes  and  agrees  that it will  make all
required  filings in  connection  with the sale of the  Securities or the Common
Stock issuable upon conversion or exchange  thereof to the Purchaser as required
by United States laws and regulations, or by any domestic securities exchange or
trading market,  including,  the filing of a listing  application with NASDAQ to
list  all  of the  shares  of  Common  Stock  issuable  upon  conversion  of the
Debentures and upon the exercise of the Warrants, and if applicable,  the filing
of a notice on Form D (at such time and in such  manner as required by the Rules
and  Regulations  of the  Commission),  and to  provide  copies  thereof  to the
Purchaser promptly after such filing or filings.

     d. Nasdaq  Listing.  The Company agrees and covenants that it will not seek
to have the trading of its Common Stock through Nasdaq  suspended or terminated,
will use its best efforts to maintain its eligibility for trading on Nasdaq and,
if such trading of its Common Stock is  suspended  or  terminated,  will use its
best  efforts to requalify  its Common Stock or otherwise  cause such trading to
resume.

     e. Reporting Status. So long as the Purchaser  beneficially owns any of the
Securities,  the Company shall timely file all reports required to be filed with
the Commission pursuant to Section 13 or 15(d) of the Exchange Act and shall not
terminate  its status as an issuer  required to file reports  under the Exchange
Act even if the  Exchange  Act or the rules  and  regulations  thereunder  would
permit such termination.

     f. State Securities  Filings.  The Company shall from time to time promptly
take such action as the Purchaser or any of its representatives,  if applicable,
may  reasonably  request to qualify the  Securities or the Common Stock issuable
upon  conversion or exchange  thereof for offering and sale under the securities
laws (other than United States federal  securities laws) of the jurisdictions in
the United States as shall be so  identified to the Company,  and to comply with
such laws so as to permit the  continuance  of sales  therein,  provided that in
connection therewith,


                                       9
<PAGE>

the Company shall not be required to qualify as a foreign corporation or to file
a general consent to the service of process in any jurisdiction.

     g. Use of Proceeds.  The Company will use all of the net proceeds  from the
issuance of the Securities for working capital.

     h.  Reservation  of  Common  Stock.  The  Company  will at all  times  have
authorized  and  reserved  for the  purpose of issuance a  sufficient  number of
shares of Common Stock to provide for the  conversion of the  Debentures and the
exercise of the Warrants.  The Company will use its best efforts at all times to
maintain a number of shares of Common Stock so reserved for issuance  that is no
less than two (2) times  the  number  that is then  actually  issuable  upon the
conversion of the Debentures and the exercise in full of the Warrants.

     i.  Sales  of  Additional  Shares.  For so  long as the  Debenture  remains
outstanding,  the Company shall not,  directly or indirectly,  without the prior
written consent of the Purchaser,  offer, sell, offer to sell,  contract to sell
or  otherwise  dispose  of any of  its  securities  or  any  security  or  other
instrument convertible into or exchangeable for shares of its capital stock at a
discount to the Market  Price for a Share of the Common Stock (as defined in the
Debenture) or with a floating  conversion or exercise price, in each case, for a
period  ending on the later of two hundred  seventy (270) days after the date of
this  Agreement  or the date that is one  hundred  eighty  (180)  days after the
Registration  Statement  (as defined in the  Registration  Rights  Agreement) is
declared  effective by the Commission  (the "Lock-Up  Period"),  except that the
Company may (i) issue securities for the aggregate consideration of at least $15
million in connection with a bona fide,  firm  commitment,  underwritten  public
offering under the  Securities  Act; (ii) may issue shares of Common Stock which
are issued in connection with a bona fide transaction  involving the acquisition
of  another  business  entity or segment  of any such  entity by the  Company by
merger, asset purchase,  stock purchase or otherwise;  (iii) may issue shares of
common stock to directors, officers, employees or consultants of the Company for
the primary  purpose of soliciting or retaining  their  services in an aggregate
amount,  together  with any New Options (as defined  below)  vesting or becoming
exercisable  during the Lock-Up Period,  not to exceed 250,000 shares;  (iv) may
issue  shares of Common  Stock upon the  exercise  or  conversion  of  currently
outstanding options, warrants and other convertible securities and up to 250,000
shares of Common Stock  underlying  New Options as provided in clause (v) below;
(v) may issue options to purchase  shares of its Common Stock to its  directors,
officers, employees and consultants in connection with its existing stock option
plans ("New Options"); provided, that, during the Lock-Up Period, New Options to
purchase  not more than  250,000  shares of Common  Stock  shall  vest or become
exercisable;  and (vi) may issue Common Stock in connection  with a stock split,
stock  dividend or similar  recapitalization  of the Company  which  affects all
holders of the  Company's  Common Stock on an  equivalent  basis,  in each case,
without the prior written  consent of the  Purchaser.  In addition,  the Company
agrees that it will not cause any shares of its capital stock that are issued in
connection  with a transaction of the type  contemplated by clause (ii) (or upon
the  conversion  or exercise of other  securities  that are issued in connection
with such  transaction)  or that were issued in connection  with any  financing,
acquisition or other  transaction  that occurred prior or subsequent to the date
of this Agreement to be covered by a  registration  statement that is filed with
the Commission or declared  effective by the  Commission  prior to the


                                       10
<PAGE>

time that the  Debentures  and the  Warrants  and  Common  Stock  issuable  upon
conversion or exercise thereof are covered by a registration  statement filed by
the Company pursuant to its obligations under the Registration  Rights Agreement
has been effective under the Securities Act for a period of at least one hundred
eighty (180) days,  during which one hundred eighty (180) day period the Company
shall not have notified the Purchaser  that such  registration  statement or the
prospectus included in such registration  statement includes an untrue statement
of a  material  fact or omits to state a  material  fact  required  to be stated
therein in order to make the statements  therein,  in light of the circumstances
under which they were made, not misleading.

     j.  Stockholder  Approval.  Unless the  Company  shall  elect to redeem the
Debenture  pursuant to Section 7(b) thereof,  the Company agrees to use its best
efforts (including obtaining any vote of its stockholders required by applicable
law or Nasdaq  rules) to authorize  and approve the issuance of the Common Stock
issuable upon  conversion  of the  Debentures  and exercise of Warrants,  to the
extent that such  conversion or issuance  results in the issuance of 20% or more
of the Company's outstanding Common Stock.

     k.  Ownership.  At no time shall the  Purchaser  (including  its  officers,
directors and  affiliates)  maintain in the aggregate  beneficial  ownership (as
defined for purposes of Section 16 of the  Securities  Exchange Act of 1934,  as
amended)  of  shares  of  Common  Stock  in  excess  of  9.9%  of the  Company's
outstanding Common Stock.

     l.  Tax  Treatment.  For  all  tax  purposes,  the  parties  hereto  hereby
acknowledge,  covenant and agree that the Debentures  have not been issued with,
and shall not be treated as having been issued with, original issue discount for
purposes of Section  305(e)  and/or  Sections  1271 through 1275 of the Internal
Revenue Code of 1986, as amended.

5.   TRANSFER AGENT INSTRUCTIONS.

     a. The Company  warrants that no instruction,  other than the  instructions
referred to in this Section 5 and stop transfer  instructions  to give effect to
Sections  4(a)  and  4(b)  hereof  prior  to the  registration  and  sale of the
Securities in the manner contemplated by the Registration Rights Agreement, will
be given by the  Company  to the  transfer  agent and that the  shares of Common
Stock  issuable  upon  conversion  of, or in lieu of  interest  payments  on the
Debentures  or  upon  exercise  of  the  Warrants  shall   otherwise  be  freely
transferable  on the books  and  records  of the  Company  as and to the  extent
provided in this Agreement,  the  Registration  Rights  Agreement and applicable
law. Nothing in this Section shall affect in any way the Purchaser's obligations
and agreement to comply with all applicable  securities  laws upon resale of the
Securities.  If the  Purchaser  provides  the Company with an opinion of counsel
reasonably satisfactory (as to both the identity of such counsel and the content
of such opinion) to the Company and its counsel that registration of a resale by
the  Purchaser of any of the  Securities  in  accordance  with clause  (1)(B) of
Section 4(a) of this  Agreement is not required  under the  Securities  Act, the
Company  shall  permit the  transfer of the  Securities  and, in the case of the
Common Stock,  promptly  instruct the Company's  transfer  agent to issue one or
more  certificates  for Common  Stock  without  legend in such names and in such
denominations as specified by the Purchaser.


                                       11
<PAGE>

     b. The Company  will permit the  Purchaser to exercise its right to convert
the  Debentures  or to exercise the Warrants by faxing an executed and completed
Notice of  Conversion  or Form of Election to Purchase,  as  applicable,  to the
Company, and delivering within three (3) business days thereafter,  the original
Notice of Conversion (and the related  original  Debentures) or Form of Election
to Purchase (and the related original  Warrants) to the Company by hand delivery
or by express courier, duly endorsed.  Each date on which a Notice of Conversion
or Form of Election to Purchase is faxed to the Company in  accordance  with the
provisions hereof shall be deemed a "Conversion Date." The Company will transmit
the  certificates  representing the Common Stock issuable upon conversion of any
Debenture or upon exercise of any Warrants  (together with the Debentures not so
converted,  or  the  Warrants  not  so  exercised)  or  upon  conversion  of the
Debentures and exercise of the Warrants to the Purchaser via express  courier as
soon as practicable,  but in all events no later than three (3) business days in
the case of conversion of the Debentures,  or five (5) business days in the case
of the exercise of any Warrant after the Conversion Date (the "Delivery  Date").
For  purposes  of this  Agreement,  such  conversion  of the  Debentures  or the
exercise of the Warrants shall be deemed to have been made immediately  prior to
the close of business on the Conversion Date.

     c. In lieu of  delivering  physical  certificates  representing  the Common
Stock  issuable  upon the  conversion  of the  Debentures or the exercise of the
Warrants,  provided  the  Company's  transfer  agent  is  participating  in  the
Depositary Trust Company ("DTC") Fast Automated  Securities Transfer program, on
the written request of the Purchaser,  who shall have previously  instructed the
Purchaser's  prime  broker to confirm  such  request to the  Company's  transfer
agent,  the Company shall cause its transfer  agent to  electronically  transmit
such Common Stock to the Purchaser by crediting  the account of the  Purchaser's
prime broker with DTC through its Deposit  Withdrawal Agent Commission  ("DWAC")
system no later than the applicable Delivery Date.

     d. The Company  understands  that a delay in the  issuance of Common  Stock
beyond the  applicable  Delivery  Date could  result in an economic  loss to the
Purchaser. As compensation to the Purchaser for such loss, the Company agrees to
pay to the Purchaser  for late  issuance of Common Stock upon  conversion of the
Debentures  or upon  exercise of the Warrants the sum of $2,500 per day for each
$100,000 in aggregate principal amount of Debentures that are being converted or
for any or all shares of Common Stock being  purchased  upon the exercise of the
Warrants.  The Company  shall pay any payments that are payable to the Purchaser
pursuant to this Section 5 in immediately  available funds upon demand.  Nothing
herein  shall  limit the  Purchaser's  right to pursue  actual  damages  for the
Company's  failure  to so issue  and  deliver  Common  Stock  to the  Purchaser.
Furthermore,  in addition to any other  remedies  which may be  available to the
Purchaser, in the event that the Company fails for any reason to effect delivery
of such Common Stock within five (5) business  days after the relevant  Delivery
Date, the Purchaser will be entitled to revoke the relevant Notice of Conversion
or Form of Election to  Purchase  by  delivering  a notice to such effect to the
Company, whereupon the Company and the Purchaser shall each be restored to their
respective positions  immediately prior to delivery of such Notice of Conversion
or Form of Election to Purchase.  For purposes of this Section 5, "business day"
shall mean any day in which the  financial  markets  of New York are  officially
open for the conduct of business therein.


                                       12
<PAGE>

6.   CONDITIONS TO THE COMPANY'S OBLIGATION TO ISSUE THE SECURITIES.

     Purchaser understands that the Company's obligation to issue the Securities
on the Closing Date to Purchaser pursuant to this Agreement is conditioned upon:

     a. The accuracy on the Closing Date of the  representations  and warranties
of Purchaser  contained in this Agreement as if made on the Closing Date and the
performance  by  Purchaser on or before the Closing  Date of all  covenants  and
agreements of Purchaser required to be performed on or before the Closing Date;

     b. The absence or inapplicability of any and all laws, rules or regulations
prohibiting or restricting the transactions  contemplated  hereby,  or requiring
any consent or approval which shall not have been obtained.

7.   CONDITIONS TO THE PURCHASER'S OBLIGATION TO PURCHASE THE SECURITIES.

     The  Company  understands  that  Purchaser's  obligation  to  purchase  the
Debentures and the Warrants on the Closing Date is conditioned upon:

     a. The accuracy on the Closing Date of the  representations  and warranties
of the Company  contained in this  Agreement as if made on the Closing Date, and
the  performance  by the Company on or before the Closing Date of all  covenants
and agreements of the Company  required to be performed on or before the Closing
Date;

     b. On the Closing  Date,  the  Purchaser  shall have received an opinion of
counsel for the Company,  dated the Closing Date,  in form,  scope and substance
reasonably  satisfactory  to  Purchaser,  to the  effect  set forth in Exhibit C
attached hereto;

     d. On the Closing  Date the Company  shall have  executed  and  delivered a
signed  counterpart to the  Registration  Rights  Agreement,  in form, scope and
substance  reasonably  satisfactory  to  Purchaser,  to the  effect set forth in
Exhibit D attached hereto;

     e. On  Closing  Date,  the  Purchaser  shall have  received  a  certificate
executed by (i) the  President or the Chairman of the Company and (ii) the Chief
Financial Officer of the Company,  stating that all of the  representations  and
warranties  of the Company set forth in this  Agreement  are  accurate as of the
Closing  Date  and that the  Company  has  performed  all of its  covenants  and
agreements  required  to be  performed  under  this  Agreement  on or before the
Closing Date;

     f. On the Closing Date, the Purchaser  shall have received from the Company
such  other  certificates  and  documents  as  it  or  its  representative,   if
applicable,  shall reasonably request,  and all proceedings taken by the Company
in connection with the Primary Documents  contemplated by this Agreement and the
other Primary  Documents  and all documents and papers  relating to such Primary
Documents shall be satisfactory to the Purchaser;


                                       13
<PAGE>

     g. On or prior to the Closing  Date,  there shall not have  occurred any of
the  following:  (i) a  suspension  or  material  limitation  in the  trading of
securities  generally on the New York Stock  Exchange or Nasdaq;  (ii) a general
moratorium  on  commercial  banking  activities  in  New  York  declared  by the
applicable banking authorities;  (iii) the outbreak or escalation of hostilities
involving  the United  States,  or the  declaration  by the  United  States of a
national  emergency  or  war;  or (iv) a  change  in  international,  political,
financial  or  economic  conditions,  if the  effect of any such  event,  in the
reasonable  judgment of the Purchaser,  makes it impracticable or inadvisable to
proceed  with the  purchase  of the  Securities  on the terms and in the  manner
contemplated in this Agreement and in the other Primary Documents.

8.   EXPENSES.

     The Company  covenants and agrees with the Purchaser  that the Company will
pay or cause to be paid the following:  (a) the fees, disbursements and expenses
of the  Purchaser's  counsel in connection  with the issuance of the  Securities
payable  on the  Closing  Date,  up to a  maximum  of  twenty  thousand  dollars
($20,000),  (b) all expenses in connection with registration or qualification of
the Securities for offering and sale under state  securities laws as provided in
Section  4(f)  hereof,  and (c) all other  costs and  expenses  incident  to the
performance of its obligations  hereunder  which are not otherwise  specifically
provided  for in this  Section,  including  the  fees and  disbursements  of the
Company's counsel,  accountants and other professional  advisors, if any. If the
Company fails to satisfy its  obligations  or to satisfy any condition set forth
in this Agreement,  as a result of which the Securities are not delivered to the
Purchaser  on the terms and  conditions  set forth  herein,  the  Company  shall
reimburse the Purchaser for any out-of-pocket  expenses  reasonably  incurred in
making preparations for the purchase, sale and delivery of the Securities not so
delivered.

9.   SURVIVAL OF REPRESENTATIONS AND WARRANTIES.

     The  representations  and warranties of the Company and the Purchaser shall
survive the  execution  and delivery of this  Agreement  and the delivery of the
Debentures and the Warrants.

10.  GOVERNING LAW; MISCELLANEOUS

     This Agreement  shall be governed by and interpreted in accordance with the
laws of the State of New York, without regard to principles of conflict of laws.
Each of the parties  consents to the  jurisdiction  of the federal  courts whose
districts  encompass any part of the City of New York or the state courts of the
State of New York sitting in the City of New York in connection with any dispute
arising under this Agreement or any of the transactions contemplated hereby, and
hereby waives, to the maximum extent permitted by law, any objection,  including
any  objections  based on forum  non  conveniens,  to the  bringing  of any such
proceeding in such  jurisdictions.  This  Agreement may be signed in one or more
counterparts,  each of which shall be deemed an  original.  The headings of this
Agreement are for  convenience  of reference only and shall not form part of, or
affect the  interpretation  of this  Agreement.  This  Agreement and each of the
Primary  Documents  have  been  entered  into  freely  by each  of the  parties,
following  consultation with their respective counsel,  and shall be interpreted
fairly in accordance  with its respective  terms,  without any  construction  in
favor of or against either party.


                                       14
<PAGE>

If any  provision of this  Agreement  shall be invalid or  unenforceable  in any
jurisdiction,  such invalidity or unenforceability shall not affect the validity
or  enforceability  of the  remainder  of  this  Agreement  or the  validity  or
unenforceability  of this  Agreement in any other  jurisdiction.  This Agreement
shall inure to the benefit of, and be binding upon the successors and assigns of
each of the parties hereto,  including any  transferees of the Securities.  This
Agreement may be amended only by an instrument in writing signed by the party to
be charged with enforcement.  This Agreement supersedes all prior agreements and
understandings  among the  parties  hereto with  respect to the  subject  matter
hereof.

11.  NOTICES.

     Any  notice  required  or  permitted  hereunder  shall be given in  writing
(unless  otherwise  specified  herein)  and  shall be  effective  upon  personal
delivery,   via   facsimile   (upon  receipt  of   confirmation   of  error-free
transmission)  or two  business  days  following  deposit of such notice with an
internationally  recognized courier service,  with postage prepaid and addressed
to each of the other parties thereunto entitled at the following  addresses,  or
at such other  addresses as a party may  designate by five days advance  written
notice to each of the other parties hereto.

Company:          Data Systems & Software Inc.
                  200 Route 17
                  Mahwah, New Jersey  07430
                  Attention:  George Morgenstern, President
                  Tel:  (201) 529-2026
                  Fax: (201) 529-3163

                  With a copy to:

                  Ehrenreich Eilenberg Krause & Zivian, LLP
                  11 East 44th Street
                  New York, New York  10017
                  Attention:  Sheldon Krause, Esq.
                  Tel:  (212) 986-9700
                  Fax: (212) 986-2399

Purchaser:        Bounty Investors LLC
                  c\o WEC Asset Management LLC
                  One World Trade Center, Suite #4563
                  New York, New York  10048
                  Attention:  Daniel J. Saks
                  Tel:  (212) 775-9299
                  Fax: (212) 775-9311


                                       15
<PAGE>

                  With a copy to:

                  Pryor Cashman Sherman & Flynn LLP
                  410 Park Avenue
                  New York, New York  10022
                  Attention:  Mark Saks, Esq.
                  Tel:  (212) 326-0140
                  Fax: (212) 326-0806

     [REMAINDER OF PAGE LEFT INTENTIONALLY BLANK, SIGNATURE PAGE TO FOLLOW]


                                       16
<PAGE>

     IN  WITNESS  WHEREOF,  this  Securities  Purchase  Agreement  has been duly
executed by each of the undersigned.

                                           DATA SYSTEMS & SOFTWARE INC.


                                           By:  /s/ GEORGE MORGENSTERN
                                              ----------------------------------
                                               Name: George Morgenstern
                                               Title:   President


                                           BOUNTY INVESTORS LLC
                                           By: WEC Asset Management LLC,
                                               Manager


                                           By: /s/ DANIEL J. SAKS
                                              ----------------------------------
                                               Name: Daniel J. Saks
                                               Title:  Managing Director


                                       17
<PAGE>

                                  EXHIBIT INDEX

EXHIBIT A                            FORM OF DEBENTURE

EXHIBIT B                            FORM OF WARRANT

EXHIBIT C                            FORM OF OPINION OF COUNSEL TO COMPANY

EXHIBIT D                            FORM OF REGISTRATION RIGHTS AGREEMENT

<PAGE>

                                                                       Exhibit A

                                FORM OF DEBENTURE

No.:

THESE SECURITIES (INCLUDING ANY UNDERLYING  SECURITIES) HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED.  THEY MAY NOT BE SOLD, OFFERED FOR
SALE,  PLEDGED,  HYPOTHECATED  OR  OTHERWISE  TRANSFERRED  IN THE  ABSENCE OF AN
EFFECTIVE  REGISTRATION  STATEMENT  AS TO THE  SECURITIES  UNDER  SAID ACT OR AN
OPINION OF COUNSEL OR OTHER EVIDENCE REASONABLY SATISFACTORY TO THE COMPANY THAT
SUCH REGISTRATION SHALL NO LONGER BE REQUIRED.

                          DATA SYSTEMS & SOFTWARE INC.
                      0% CONVERTIBLE SUBORDINATED DEBENTURE

                                                                October 12, 1999
                                                              New York, New York

     1.  Consideration.  FOR VALUE  RECEIVED,  DATA  SYSTEMS &  SOFTWARE  INC. a
Delaware  corporation (the  "undersigned" or the "Company"),  hereby promises to
pay to the order of Bounty Investors LLC, its offices located at One World Trade
Center,  Suite  #4563,  New York,  New York 10048 or at such other  place as the
holder hereof (the "holder" or the  "Registered  Holder") shall designate to the
undersigned  in writing,  in lawful money of the United  States of America or in
New York Clearing House Funds,  the principal  amount of  ______________________
Dollars  ($_______) on the Maturity Date (as defined  below).  This Debenture is
one of a series of Debentures issued to the Registered Holder on the date hereof
in the aggregate  amount of Two Million  Dollars  ($2,000,000).  The undersigned
promises  to pay the said  principal  sum in  accordance  with the terms of this
Debenture (as defined below). In the event that the Company repays the principal
amount  on the  Maturity  Date  no  interest  shall  be due or  payable  on this
Debenture.

     2. Payment. On October 12, 2001 (the "Maturity Date") the undersigned shall
pay the holder all unpaid principal and interest, if any, on this Debenture.  At
the Company's option, any interest payment required to be paid on this Debenture
may be made in the form of the  issuance to the holder of the  Company's  common
stock, par value $.01 per share (the "Common Stock"),  with the number of shares
of such  Common  Stock to be payable  in lieu of such  interest  payments  to be
determined in accordance  with the  provisions of Section 6, as if such interest
payment were a portion of the principal  amount of the Debenture to be converted
into Common Stock.

     Principal and interest, if any, shall be payable at the most recent address
as the  Registered  Holder shall have  designated to the Company in writing.  No
payment of the  principal

<PAGE>

of this Debenture may be made prior to the Maturity Date by the Company  without
the consent of the Registered Holder, except as otherwise provided herein.

     3. Overdue Interest  Payments.  Interest on the  indebtedness  evidenced by
this Debenture  after default or maturity  accelerated or otherwise shall be due
and  payable  at the  rate  of ten  (10%)  percent  per  annum,  subject  to the
limitations of applicable law.

     4. Holidays.  If this Debenture or any  installment  hereof becomes due and
payable on a Saturday,  Sunday or public  holiday under the laws of the State of
New York, the due date hereof shall be extended to the next succeeding  business
day and  interest  shall be  payable at the rate of six (6%)  percent  per annum
during such  extension.  All  payments  received by the holder  shall be applied
first to the payment of all accrued interest payable hereunder.

     5. Issuance of  Debentures.  This  Debenture has been issued by the Company
pursuant to the  authorization  of the Board of  Directors  of the Company  (the
"Board") and issued  pursuant to a Securities  Purchase  Agreement,  dated as of
October 12,  1999,  by and between  the  Company  and the  Purchaser  identified
therein  (the  "Securities  Purchase  Agreement").  Pursuant  to the  Securities
Purchase  Agreement,  the  Company  issued  $2,000,000  principal  amount of the
Debentures  and  warrants to purchase  (the  "Warrants")  100,000  shares of the
Company's  Common Stock.  The Securities  Purchase  Agreement  contains  certain
additional terms that are binding upon the Company and each Registered Holder of
the Debentures.  A copy of the Securities  Purchase Agreement may be obtained by
any registered  holder of the Debentures from the Company upon written  request.
Capitalized  terms used but not defined herein shall have the meanings set forth
in the  Securities  Purchase  Agreement,  including the Exhibits  thereto.  This
Debenture and the other 0% Convertible Debentures due 2001 issued by the Company
pursuant to the terms of the Securities  Purchase  Agreement,  together with any
debentures from time to time issued in replacement thereof,  whether pursuant to
transfer  and  assignment,   partial  conversion   thereof  or  otherwise,   are
collectively referred to herein as the "Debentures."

     6. Conversion. (a) Subject to and in compliance with the provisions hereof,
the holder  shall have the right to convert all or a portion of the  outstanding
principal  amount of this  Debenture  into such number of shares of Common Stock
(the shares of Common Stock issuable upon conversion of, and issuable in lieu of
interest payments on, this Debenture, if any, are hereinafter referred to as the
"Conversion  Shares") as shall equal the  quotient  obtained by dividing (x) the
principal  amount  of this  Debenture  to be  converted  by (y)  the  Applicable
Conversion  Price (as  hereinafter  defined) and by surrender of this Debenture,
such surrender to be made in the manner provided herein.

     (b) For purposes hereof the term "Applicable  Conversion  Price" shall mean
the lesser of (i) $3.06625 (the "Fixed Price") and (ii) the product  obtained by
multiplying (x) the Average Closing Price (as hereinafter defined) by (y) .85.

     For  purposes  hereof  the  "Average  Closing  Price"  with  respect to any
conversion elected to be made by the holder shall be the average of the five (5)
daily  closing  bid prices  (each such price is referred  to  individually  as a
"Floating  Reference  Price"  and,


                                       2
<PAGE>

collectively,  as the "Floating  Reference  Prices") during the five (5) trading
days  immediately  preceding  the date on which the holder  gives the  Company a
written notice of the holder's election to convert outstanding principal of this
Debenture.  The  closing bid price on any trading day shall be (a) if the Common
Stock is then  listed or quoted on either the NASD  Bulletin  Board,  the NASDAQ
SmallCap Market or the NASDAQ National  Market,  the reported  closing bid price
for the Common Stock as reported by Bloomberg,  L.P.  ("Bloomberg")  or The Wall
Street Journal (the "Journal") on such day (or, if not so reported, as otherwise
reported by The NASDAQ  Small Cap  Market,  NASDAQ  National  Market or the NASD
Bulletin Board, as the case may be), (b) if the Common Stock is listed on either
the American  Stock Exchange or New York Stock  Exchange,  the closing bid price
for the Common  Stock on such  exchange on such day as reported by  Bloomberg or
the Journal or (c) if neither  (a) nor (b) apply but the Common  Stock is quoted
in the  over-the-counter  market,  another recognized  exchange,  or on the pink
sheets,  the last  reported bid price thereof on such date. If the prices of the
Common Stock cannot be calculated  on such date on any of the  foregoing  bases,
such prices on such date shall be the fair market  value as mutually  determined
by the Company and the Registered  Holder for which the  calculation is required
in order to determine the Applicable Conversion Price;  provided,  however, that
if the Company and the  Registered  Holder are unable to mutually  determine the
fair market  value,  such fair market value shall be  determined by a nationally
recognized  investment banking firm or firm of independent chartered accountants
of recognized  standing (which firm may be the firm that regularly  examines the
financial statements of the Company) (an "Appraiser")  selected in good faith by
the Board and holders of a majority in interest of the Debentures. "Trading day"
shall mean any day on which the Company's  Common Stock is traded for any period
on the principal  securities  exchange or other  securities  market on which the
Common Stock is then being traded.

     (c) If, during any period  following  October 12, 1999 (the "Original Issue
Date"),  as a result of the occurrence of any of the events set forth in Section
3(f) or 3(g) of the Registration Rights Agreement, dated as of October 12, 1999,
by  and  between  the  Company  and  the   Purchasers  set  forth  therein  (the
"Registration Rights Agreement"),  the Purchasers set forth therein are not able
to sell  shares of  Common  Stock  issuable  upon  conversion  of, or in lieu of
interest payments on, this Debenture pursuant to a registration  statement filed
pursuant to such agreement,  the Registered Holder shall have the right, for any
purpose under this Debenture during such period and thereafter,  to designate as
the  Applicable  Conversion  Price any  Conversion  Price  that  would have been
applicable  during such period had the Registered  Holder  delivered a Notice of
Conversion  with  respect to any portion of this  Debenture.  "Conversion  Date"
shall  have the  meaning  given  such  term in  Section  5(b) of the  Securities
Purchase Agreement.

     (d) The Registered  Holder shall convert this Debenture in accordance  with
Section  5(b) of the  Securities  Purchase  Agreement.  If the Company  fails to
deliver to the holder a certificate or  certificates  for shares of Common Stock
in the period set forth in the Securities Purchase Agreement,  the Company shall
make  certain  payments to the holder in  accordance  with  Section  5(d) of the
Securities Purchase Agreement.

     (e) If the entire  outstanding  principal  amount of this  Debenture is not
converted,  the  Company  shall  also  issue and  deliver  to such  holder a new
Debenture of like tenor


                                       3
<PAGE>

in the principal amount equal to the principal which was not converted and dated
the Original Issue Date. Each  conversion  shall be deemed to have been effected
immediately  prior to the  close of  business  on the date on which a Notice  of
Conversion shall have been delivered as aforesaid,  and the person or persons in
whose name or names any certificate of  certificates  for shares of Common Stock
shall be issuable upon such conversion shall be deemed to have become the holder
or  holders  of record of the  shares  represented  thereby at such time on such
date.

     (f) All shares of Common Stock  delivered upon conversion of, or in lieu of
interest  payments on, this Debenture will, upon delivery,  be duly  authorized,
validly issued and fully paid and nonassessable.

     (g) No  fractional  shares of Common Stock shall be issued upon  conversion
of,  or in  lieu  of  interest  payments  on,  this  Debenture.  Instead  of any
fractional  share of Common Stock which would otherwise be deliverable  upon the
conversion  of,  or in lieu of  interest  payments  on,  the  principal  of this
Debenture,  the Company  shall pay to the holder an amount in cash  (computed to
the nearest cent) equal to the Average Closing Price  multiplied by the fraction
of a share of Common Stock represented by such fractional interest.

     (h) The  issuance  of  certificates  for  shares of Common  Stock  upon any
conversion of, or in lieu of interest  payments on, this Debenture shall be made
without  charge to the payee  hereof for any tax or other  expense in respect to
the issuance of such certificates, all of which taxes and expenses shall be paid
by the Company,  and such  certificates  shall be issued only in the name of the
registered holder of this Debenture.

     (i) Notwithstanding  anything herein to the contrary,  at no time shall the
Registered Holder (including its officers, directors and affiliates) maintain in
the aggregate beneficial ownership (as defined for purposes of Section 16 of the
Securities Exchange Act of 1934, as amended) of shares of Common Stock in excess
of  9.9%  of  the  Company's  outstanding  Common  Stock  and  accordingly,  the
Registered  Holder may only  convert  this  Debenture  up to the point where its
aggregate  beneficial  ownership  (as defined for  purposes of Section 16 of the
Securities  Exchange Act of 1934, as amended) of shares of Common Stock is equal
or less than 9.9% of the Company's outstanding Common Stock.

     7.  Redemption  by Company.  (a) If, after the Original  Issue Date,  there
shall occur a Change in Control of the Company (as defined below),  then, at the
option of the Registered Holder, the Company shall, on the effective date of and
subject to the consummation of such Change in Control, redeem this Debenture for
cash from the  Registered  Holder  at a  redemption  price  equal to 125% of the
aggregate  principal  and accrued  interest  outstanding  under this  Debenture.
Nothing in this subsection shall limit the Registered  Holder's right to convert
this  Debenture on or prior to such Change in Control.  For purposes  hereof,  a
"Change in Control"  shall be deemed to have occurred if (A) any person or group
(as defined for purposes of  Regulation  13D of the  Securities  Exchange Act of
1934, as amended (the "Exchange Act")) shall have become the beneficial owner or
owners of more than 50% of the  outstanding  voting  stock of the  Company;  (B)
there shall have occurred a merger or  consolidation  in which the Company or an
affiliate of the Company is not the  survivor or in which  holders of the Common
Stock of the Company shall have become  entitled to receive cash,  securities of
the Company other than voting


                                       4
<PAGE>

common  stock  or  securities  of any  other  person;  (C) at any  time  persons
constituting the Existing Board of Directors cease for any reason  whatsoever to
constitute  at least a majority of the members of the Board of  Directors of the
Company; or (D) there shall have occurred a sale of all or substantially all the
assets  of the  Company.  For  purposes  hereof,  the  term  "Existing  Board of
Directors"  shall mean the persons  constituting  the Board of  Directors of the
Company on the date hereof,  together with each new director whose election,  or
nomination for election by the Company's  stockholders  is approved by a vote of
the majority of the members of the Existing Board of Directors who are in office
immediately prior to the election or nomination of such director.

     (b) If prior  to the  time  the  stockholders  of the  Company  shall  have
approved the transactions  contemplated by the Securities  Purchase Agreement as
provided in clause (B) below,  the number of shares of Common  Stock  issued (i)
upon  conversion of the Debentures and (ii) in lieu of interest  payments on the
Debentures,  if any, (collectively,  the "Conversion Shares"), shall be equal to
or more than 19.9% of the number of the shares of capital stock  outstanding  on
the Closing Date (a  "Redemption  Event"),  the Company shall have the option to
(A) redeem the outstanding  principal amount of this Debenture at the redemption
price of one hundred  twenty-five  percent (125%) of the principal amount hereof
plus accrued  interest on this Debenture,  if any, or (B) call a special meeting
of its stockholders  for the purpose of approving the transactions  contemplated
by the Securities Purchase  Agreement,  including the issuance of the Debentures
and Warrants on the terms set forth therein,  together with any other  approvals
that  shall be  required  so as to cause the  transactions  contemplated  by the
Securities  Purchase  Agreement  to  remain  in  compliance  with the  Rules and
Regulations  of  Nasdaq   (including  Rule  4460  of  Nasdaq's   Non-Qualitative
Designation Criteria on the occurrence of a Redemption Event; such approvals are
referred to herein as the "Required  Approvals").  The Company  shall  determine
within five (5) business days following the  occurrence of any Redemption  Event
which of such actions it shall take,  and shall  promptly  furnish notice to the
Purchaser  as to such  determination,  including,  if  applicable,  a notice  of
redemption.  If the Company does not make a  determination  within such five (5)
day period,  this  Debenture  shall be redeemed the first business day following
the end of such five (5) day  period,  if any,  at the  redemption  price of one
hundred  twenty-five  percent (125%) of the principal amount hereof plus accrued
interest on the Debenture, if any.

     (c) If the  Company  elects to call a special  meeting of its  stockholders
pursuant to Section 6(b) to obtain the  Required  Approvals,  the Company  shall
obtain such Required  Approvals  within thirty (30) days of the  distribution of
the notice described in such Section (such thirty (30) day period is referred to
herein as an "Approval  Period").  If such  approval is not obtained  within the
Approval  Period,  this  Debenture  shall be redeemed on the first  business day
following the Approval Period at the redemption price of one hundred twenty-five
percent  (125%) of the  principal  amount  hereof plus  accrued  interest on the
Debenture, if any.

     (d) If the Company fails to have a registration  statement effective within
one hundred fifty (150) days of the date of the Stock Purchase Agreement, at the
option  of the  Purchaser,  the  Company  shall  redeem  these  Debentures  at a
redemption  price of one hundred  twenty-five  percent  (125%) of the  principal
amount hereof plus accrued and unpaid interest thereon, if any.


                                       5
<PAGE>

     (e) If the Company shall be required to redeem the  Debentures  pursuant to
any of the terms or  conditions  set forth in this Section 7, the Company  shall
remit the redemption  price to the Registered  Holder thereof  immediately  upon
such redemption.

     8. Covenants.

     (a) The Company will pay all taxes,  assessments and  governmental  charges
lawfully levied or assessed upon it, its property and any part thereof, and upon
its income  for  profits,  and any part  thereof,  before the same shall  become
delinquent;  and will duly observe,  and conform to, all lawful  requirements of
any governmental  authority relative to any of its property,  and all covenants,
terms and conditions  upon or under which any of its property is held;  provided
that nothing in this Section  shall require the Company to observe or conform to
any requirement of governmental  authority so long as the validity thereof shall
be contested in good faith by  appropriate  proceedings  or to pay any such tax,
assessment  or  governmental  charges so long as the validity  thereof  shall be
contested in good faith by appropriate  proceedings  and adequate  reserves with
respect thereto shall have been set aside on the books of the Company.

     (b) Subject to the other  provisions of this Debenture,  the Company at all
times will maintain its  corporate  existence and right to carry on its business
and will duly procure all necessary  renewals and extensions thereof and use its
best  efforts  to  maintain,  preserve  and  renew  all of its  rights,  powers,
privileges and  franchises;  provided,  however,  that nothing herein  contained
shall be  construed  to prevent the Company from ceasing or omitting to exercise
any rights,  powers,  privileges  or  franchises  which,  in the judgment of the
Board, can no longer be profitably exercised,  nor to prevent the consolidation,
merger or liquidation of any subsidiary or  subsidiaries  of the Company with or
into the Company.

     (c) The Company will at no time close its stock  transfer books against the
transfer of any shares of Common  Stock issued or issuable  upon the  conversion
of, or in lieu of interest  payments  on, the  Debentures,  in any manner  which
interferes with the timely conversion of such Debentures.

     (d) As used in this  Debenture,  the term "Common  Stock" shall include all
stock of any class or classes (however designated) of the Company, authorized on
or after the date  hereof,  the holders of which  shall have the right,  without
limitation  as to amount,  either to all or to a share of the balance of current
dividends  and  liquidating   dividends  after  the  payment  of  dividends  and
distributions  on any shares  entitled to  preference,  and the holders of which
shall  ordinarily  be entitled to vote for the election of the  directors of the
Company.  The  Company  shall  not,  without  the prior  written  consent of the
Registered  Holder of this  Debenture,  issue any shares of its  capital  stock,
other than as permitted by Section 4(i) of the Securities Purchase Agreement, in
exchange for  Debentures as provided  hereunder or upon exercise of the Warrants
in accordance with the terms thereof.

     (e) The Company will not, by amendment of its Articles of  Incorporation or
By-laws or through  any  reorganization,  recapitalization,  transfer of assets,
consolidation,  merger,  dissolution,  issue or sale of  securities or any other
voluntary action, avoid


                                       6
<PAGE>

or seek to  avoid  the  observance  or  performance  of any of the  terms  to be
observed or performed hereunder or pursuant to the Securities Purchase Agreement
by the  Company,  and will at all times assist in good faith in the carrying out
of all the provisions of this Debenture and the  Securities  Purchase  Agreement
and in the taking of all such action as may be necessary or appropriate in order
to protect the  conversion  rights of the  Registered  Holders of the Debentures
against impairment.

     (f) In the event of any taking by the Company of a record of the holders of
any class of securities for the purpose of determining  the holders  thereof who
are  entitled to receive any  dividend  (other  than a cash  dividend)  or other
distribution,  any right to subscribe  for,  purchase or  otherwise  acquire any
shares of stock of any class or any other securities or property,  or to receive
any  other  right,  the  Company  shall  mail to each  Registered  Holder of the
Debentures, at least ten (10) days prior to the date specified therein, a notice
specifying  the date on which any such  record is to be taken for the purpose of
such  dividend,  distribution  or right,  and the amount and  character  of such
dividend, distribution or right.

     (g) In the event that the Market  Price for a Share of Common Stock is less
than three dollars ($3.00),  the holder agrees that neither it nor any person or
entity for whom it is holding  this  Debenture  will,  directly  or  indirectly,
engage in any sales of the Common Stock  (including short sales) during the five
(5) trading days  immediately  preceding  the date on which the holder gives the
Company a  written  notice  of the  holder's  election  to  convert  outstanding
principal of this Debenture.

     9. Limitation on Certain  Corporate Acts. The Company hereby  covenants and
agrees  that upon any  consolidation  or merger or upon the  transfer  of all or
substantially all of the property or assets of the Company, the due and punctual
payment of the principal and interest on all the  Debentures  according to their
tenor and the due and  punctual  performance  and  observance  of all the terms,
covenants and conditions of the Debentures and the Securities Purchase Agreement
to be kept and  performed  by the  Company  shall be  expressly  assumed  by the
corporation formed by such  consolidation,  or into which the Company shall have
merged or by the purchaser of such property or assets; and such assumption shall
be an express  condition of such merger or consolidation  agreement or agreement
for the transfer of property or assets.

     10.  Events  of  Default.  In case one or more of the  following  events of
default shall have occurred:

     (a) default in the due and punctual  payment of interest  upon or principal
of any of the  Debentures as and when the same becomes due and payable either at
maturity or otherwise; or

     (b) failure to deliver the shares of Common Stock  required to be delivered
upon  conversion  of, or in lieu of interest  payments on, the Debentures in the
manner  and at the  time  required  by  Section  5 of  the  Securities  Purchase
Agreement; or


                                       7
<PAGE>

     (c)  failure  of the  Company  to have  authorized  the number of shares of
Common Stock issuable upon  conversion  of, or in lieu of interest  payments on,
the Debentures, or exercise of the Warrants; or

     (d)  failure on the part of the  Company to duly  observe or perform any of
its other  covenants or agreements  contained in, or to cure any material breach
in a material  representation or covenant  contained in the Securities  Purchase
Agreement,  the Debentures or the Registration  Rights Agreement for a period of
ten (10) days after the date on which  written  notice of such failure or breach
requiring  the same to be remedied has been given by a Registered  Holder to the
Company; or

     (e) a decree  or  order by a court  having  jurisdiction  has been  entered
adjudging  the Company (or any Material  Subsidiary  (as herein after  defined))
bankrupt or insolvent,  or approving a petition  seeking  reorganization  of the
Company (or any Material  Subsidiary)  under any  applicable  bankruptcy law and
such decree or order has  continued  undischarged  or  unstayed  for a period of
thirty (30) days;  or a decree or order of a court having  jurisdiction  for the
appointment  of a receiver or liquidator or trustee or assignee in bankruptcy or
insolvency  of  the  Company  (or  any  Material   Subsidiary)   or  of  all  or
substantially  all of its property,  or for the winding-up or liquidation of its
affairs,  has been entered,  and has remained in force  undischarged or unstayed
for a period of thirty (30) days; or

     (f) the Company (or any Material Subsidiary)  institutes  proceedings to be
adjudicated  a voluntary  bankrupt,  or  consents to the filing of a  bankruptcy
proceeding  against  it,  or files a  petition  or  answer  or  consent  seeking
reorganization  under  applicable  law,  or  consents  to the filing of any such
petition  or to the  appointment  of a  receiver  or  liquidator  or  trustee or
assignee in bankruptcy or insolvency of it or of all or substantially all of its
property,  or makes an  assignment  for the benefit of  creditors,  or admits in
writing its  inability to pay its debts  generally as they become due; or if the
Company (or any  Material  Subsidiary)  shall suffer any writ of  attachment  or
execution  or any  similar  process  to be issued or  levied  against  it or any
significant  part of its  property  which is not  released,  stayed,  bonded  or
vacated  within  thirty (30) days after its issue or levy; or if the Company (or
any Material  Subsidiary)  takes  corporate  action in furtherance of any of the
aforesaid purposes or conditions; or

     (g) if any event of default  shall  occur  under any  indenture,  mortgage,
agreement,  instrument or  commitment  evidencing or under which there is at the
time outstanding any indebtedness of the Company (or a Material Subsidiary),  in
excess of $50,000, or which results in such indebtedness, in an aggregate amount
(with  other  defaulted  indebtedness)  in excess of  $50,000  becoming  due and
payable  prior to its due date and if such  indenture or instrument so requires,
the holder or holders thereof (or a trustee on their behalf) shall have declared
such indebtedness due and payable; or

     (h) if a  final  judgment  which,  either  alone  or  together  with  other
outstanding final judgments against the Company and its subsidiaries, exceeds an
aggregate  of $50,000  shall be rendered  against  the Company (or any  Material
Subsidiary) and such judgment shall have continued  undischarged or unstayed for
thirty (30) days after entry thereof;


                                       8
<PAGE>

then, in each and every such case other than those  specified in clauses (e) and
(f) above, so long as such event of default has not been remedied and unless the
principal of all the Debentures  has already become due and payable,  the holder
of this  Debenture,  by  notice in  writing  to the  Company,  may  declare  the
principal of this Debenture and any interest accrued thereon, if not already due
and payable,  to be due and payable  immediately,  and upon any such declaration
the same shall become and shall be immediately due and payable,  anything herein
contained to the contrary notwithstanding and, upon the occurrence of the events
specified  in clauses  (e) and (f) above,  such  principal  and  interest  shall
automatically become and shall be due and payable immediately without any action
on the part of any  holder  of  Debentures,  anything  herein  contained  to the
contrary notwithstanding.

     For purposes of this Section 10, "Material Subsidiary" means any subsidiary
with respect to which the Company has directly or indirectly  invested,  loaned,
advanced or guaranteed the obligations of, an aggregate amount exceeding fifteen
percent (15%) of the  Company's  gross  assets,  or the Company's  proportionate
share of the  assets or net  income of which  (based  on the  subsidiary's  most
recent financial statements) exceed fifteen percent (15%) of the Company's gross
assets or net  income,  respectively,  or the  gross  revenues  of which  exceed
fifteen  percent (15%) of the gross  revenues of the Company based upon the most
recent financial statements of such subsidiary and the Company.

     11. Transferability.  This Debenture is transferable,  in whole or in part,
only in  accordance  with the  terms of  Section  5 of the  Securities  Purchase
Agreement.  The Registered Holder may submit a written request,  in person or by
his duly authorized  attorney,  for a transfer of this Debenture on the register
of the Company  maintained  at its principal  offices.  The Company may deem and
treat the person in whose name this  Debenture  is  registered  as the  absolute
owner hereof,  for the purpose of receiving payment of the principal thereof and
interest  hereon,  whether or not the same shall be  overdue,  and for all other
purposes whatsoever, including but without limitation, the giving of any written
notices required hereunder,  and the Company shall not be affected by any notice
to the contrary.

     12. Stock Splits; Dividends; Adjustments; Reorganizations.

     (a) If the Company,  at any time after the Original  Issue Date,  (i) shall
pay a stock dividend or otherwise make a distribution  or  distributions  on any
equity  securities  (including  investments  or securities  convertible  into or
exchangeable for such equity  securities) in shares of Common Stock,  (ii) issue
any  securities   payable  in  shares  of  Common  Stock,  (iii)  subdivide  the
outstanding shares of Common Stock into a larger number of shares,  (iv) combine
outstanding  shares of Common Stock into a smaller  number of shares,  the Fixed
Price and each Floating Reference Price prior to the date of any such occurrence
(collectively,  the  "Reference  Prices")  shall be  multiplied by a fraction of
which the  numerator  shall be the number of shares of Common Stock  outstanding
before such event and of which the denominator  shall be the number of shares of
Common Stock  outstanding after such event. Any adjustment made pursuant to this
Section 12(a) shall become effective  immediately  after the record date for the
determination of shareholders  entitled to receive such dividend or distribution
and shall become effective  immediately  after the effective date in the case of
an issuance, a subdivision or a combination.


                                       9
<PAGE>

     (b) Intentionally deleted.

     (c) If the  Company,  at any time  after the  Original  Issue  Date,  shall
distribute  to  all  holders  of  Shares  of  Common  Stock   evidences  of  its
indebtedness  or assets or rights or warrants to  subscribe  for or purchase any
security  (excluding those referred to in Section 12(b) above) then in each such
case the Fixed Price  thereafter  shall be determined by  multiplying  the Fixed
Price in effect  immediately prior to the record date fixed for determination of
shareholders  entitled to receive such  distribution  by a fraction of which the
denominator  shall be the Market  Price for Shares of Common  Stock (as  defined
below)  determined  as of the  record  date  mentioned  above,  and of which the
numerator  shall be such Market  Price for Shares of Common Stock on such record
date less the then fair market  value at such record date of the portion of such
assets or evidences of indebtedness so distributed applicable to one outstanding
share of  Common  Stock as  determined  by the  Board in good  faith;  provided,
however that in the event of a  distribution  exceeding 25% of the net assets of
the Company, such fair market value shall be determined by an Appraiser selected
in good  faith by the  Board  and  holders  of a  majority  in  interest  of the
Debentures.  In either case the  adjustments  shall be  described in a statement
provided to all holders of  Debentures  of the portion of assets or evidences of
indebtedness  so  distributed  or such  subscription  rights  applicable  to one
outstanding  share of Common Stock.  Such adjustment  shall be made whenever any
such  distribution  is made and shall  become  effective  immediately  after the
record date mentioned above.

     "Market Price for Shares of Common Stock" shall mean the price of one share
of Common Stock determined as follows:

     (i) If the  Common  Stock is then  listed  or  quoted  on  either  the NASD
Bulletin Board,  the NASDAQ SmallCap Market or the NASDAQ National  Market,  the
reported  closing bid price for the Common Stock as reported by Bloomberg or the
Journal on such day (or, if not so reported, as otherwise reported by The NASDAQ
Small Cap Market, NASDAQ National Market or the NASD Bulletin Board, as the case
may be);

     (ii) If the Common  Stock is listed on the New York Stock  Exchange  or the
American  Stock  Exchange,  the closing  bid price for the Common  Stock on such
exchange on such day as reported by Bloomberg or the Journal;

     (iii) If neither  (i) nor (ii) apply but the Common  Stock is quoted in the
over-the-counter  market, another recognized exchange or on the pink sheets, the
last reported bid price thereof on such date; and

     (iv) If neither clause (i), (ii) or (iii) above  applies,  the market value
as  determined  by a  nationally  recognized  investment  banking  firm or other
nationally  recognized  financial  advisor  retained  by the  Company  for  such
purpose,  taking into consideration,  among other factors, the earnings history,
book value and  prospects  for the  Company,  and the prices at which  shares of
Common Stock recently have been traded.  Such determination  shall be conclusive
and binding on all persons.


                                       10
<PAGE>

     (d) (1) In the  event  that at any  time or  from  time to time  after  the
Original  Issue Date,  the Common Stock  issuable upon the  conversion of, or in
lieu of  interest  payments  on, the  Debentures  is changed  into the same or a
different number of shares of any class or classes of stock,  whether by merger,
consolidation,  recapitalization,  reclassification  or otherwise  (other than a
subdivision  or  combination  of  shares  or stock  dividend  or  reorganization
provided for  elsewhere in this  Paragraph  12), then and as a condition to each
such event  provision  shall be made in a manner  reasonably  acceptable  to the
holders of  Debentures  so that each holder of  Debentures  shall have the right
thereafter to convert such  Debenture  into,  and to receive in lieu of interest
payments,   the   kind  of  stock   receivable   upon   such   recapitalization,
reclassification  or other  change by  holders  of shares of Common  Stock,  all
subject to further  adjustment as provided  herein.  In such event, the formulae
set forth herein for conversion and  redemption  shall be equitably  adjusted to
reflect  such  change in number of shares  or, if shares of a new class of stock
are  issued,  to  reflect  the  market  price of the class or  classes  of stock
(applying  the same  factors  used in  determining  the Fixed  Price)  issued in
connection with the above described transaction.

     (2) If at any time or from time to time after the  Closing  Date there is a
capital reorganization of the Common Stock, including by way of a sale of all or
substantially  all of the assets of the Company (other than a  recapitalization,
subdivision,  combination,  reclassification  or exchange of shares provided for
elsewhere  in this  Paragraph  12),  then,  as a part of and a condition to such
reorganization, provision shall be made in a manner reasonably acceptable to the
holders of the Debentures so that the holders of the Debentures shall thereafter
be entitled to receive upon  conversion of, or in lieu of interest  payments on,
the Debentures the number of shares of stock or other  securities or property to
which a holder  of the  number  of  shares  of  Common  Stock  deliverable  upon
conversion,  or in lieu of interest  payments on, the Debentures would have been
entitled  on  such  capital  reorganization.   In  any  such  case,  appropriate
adjustment  shall be made in the application of the provisions of this Paragraph
12 with  respect  to the  rights  of the  holders  of the  Debentures  after the
reorganization  to the end that the  provisions  of this  Paragraph  12 shall be
applicable  after that event and be as nearly  equivalent as may be practicable,
including, by way of illustration and not limitation, by equitably adjusting the
formulae set forth herein for  conversion  and  redemption to reflect the market
price  of the  securities  or  property  (applying  the  same  factors  used  in
determining  the Market Price for Shares of Common  Stock)  issued in connection
with the above described transaction.

     (e) Intentionally deleted.

     (f) Whenever  any element of the  Applicable  Conversion  Price is adjusted
pursuant to this Section 12, the Company  shall  promptly mail to each holder of
the  Debentures,  a notice setting forth the Applicable  Conversion  Price after
such  adjustment and setting forth a brief statement of the facts requiring such
adjustment.

     (g) In the  event of any  taking  by the  Company  of a record  date of the
holders of any class of securities  for the purpose of  determining  the holders
thereof  who are  entitled to receive any  dividend or other  distribution,  any
security or right  convertible  or  exchangeable  into or  entitling  the holder
thereof to receive  additional shares of Common Stock, or any right to subscribe
for, purchase or otherwise acquire any shares of stock of any class or


                                       11
<PAGE>

any other  securities or property,  or to receive any other right,  the Company,
shall  deliver to each holder of  Debentures  at least thirty (30) days prior to
the date  specified  therein,  a notice  specifying  the date on which  any such
record is to be taken for the purpose of such dividend,  distribution,  security
or right and the amount and character of such dividend,  distribution,  security
or right.

     13. Remedies Cumulative. The rights, powers and remedies given to the payee
under this  Debenture  shall be in addition to all rights,  powers and  remedies
given to it by virtue of the  Securities  Purchase  Agreement,  any  document or
instrument executed in connection therewith, or any statute or rule of law.

     14.  Non-Waiver.  Any  forbearance,  failure  or  delay  by  the  payee  in
exercising  any right,  power or remedy  under this  Debenture,  the  Securities
Purchase  Agreement,   any  documents  or  instruments  executed  in  connection
therewith or otherwise available to the payee shall not be deemed to be a waiver
of such right,  power or remedy, nor shall any single or partial exercise of any
right, power or remedy preclude the further exercise thereof.

     15.  Modifications and Waivers.  No modification or waiver of any provision
of this  Debenture,  the  Securities  Purchase  Agreement  or any  documents  or
instruments  executed in connection therewith shall be effective unless it shall
be in writing and signed by the payee, and any such modification or waiver shall
apply only in the specific instance for which given.

     16. Attorney's Fees. If this Debenture shall not be paid when due and shall
be placed by the  Registered  Holder  hereof  in the  hands of an  attorney  for
collection,  through legal proceedings or otherwise,  or if this Debenture shall
not be converted into shares of Common Stock on the Conversion Date,  subject to
the  provisions of Section 6 hereof,  and an action is brought by the Registered
Holder with  respect  thereto,  the  Company  shall pay  attorney's  fees to the
Registered  Holder  hereof,  together  with  reasonable  costs and  expenses  of
collection or enforcement incurred in connection with any such action.

     17. Enforcement;  Specific Performance.  (a) In case any one or more Events
of Default  shall occur and be  continuing,  a Registered  Holder of a Debenture
then outstanding may proceed to protect and enforce the rights of such holder by
an action at law, suit in equity or other  appropriate  proceeding,  whether for
the specific  performance of any agreement contained herein or for an injunction
against a  violation  of any of the terms  hereof or  thereof,  or in aid of the
exercise of any power  granted  hereby or thereby or by law.  Each holder agrees
that it will give written notice to the other holders prior to  instituting  any
such action.

     (b) The Company  expressly agrees that each Registered  Holder may not have
adequate  remedies at law if the Company does not perform its obligations  under
this Debenture. Upon a breach of the terms or covenants of this Debenture by the
Company, the Registered Holder shall, each in addition to all other remedies, be
entitled to obtain injunctive relief,  and an order for specific  performance of
the Company's obligations hereunder.

     18.  Governing  Law. This  Debenture and the rights and  obligations of the
parties hereto,  shall be governed,  construed and interpreted  according to the
laws of the State of


                                       12
<PAGE>

New York. The Company  agrees that any final  judgment  after  exhaustion of all
appeals or the  expiration  of time to appeal in any such  action or  proceeding
shall be  conclusive  and  binding,  and may be enforced in any federal or state
court in the  United  States  by suit on the  judgment  or in any  other  manner
provided by law.  Nothing  contained in this Debenture shall affect or limit the
right of the Registered Holder to serve any process or notice or motion or other
application  in any other manner  permitted by law, or limit or affect the right
of the Registered  Holder to bring any action or proceeding  against the Company
or any of its  property  in the courts of any other  jurisdiction.  The  Company
hereby  consents to the  jurisdiction  of the  federal  courts  whose  districts
encompass  any part of the City of New York or the state  courts of the State of
New York sitting in the City of New York in connection  with any dispute arising
under this Debenture, and hereby waives, to the maximum extent permitted by law,
any objection,  including any objections  based on forum non conveniens,  to the
bringing of any such proceeding in such jurisdictions.

     19.  Payee  Defined.  The term  "payee" as used  herein  shall be deemed to
include the payee and its successors, endorsees and assigns.

     20. Waiver of Presentment,  etc. The undersigned hereby waives presentment,
demand for payment, protest, notice of protest and notice of non-payment hereof.

     21.  Headings.  The headings  contained in this Debenture are for reference
purposes  only and  shall not  affect  the  meaning  of  interpretation  of this
Debenture.

     22. Notices.  Any notice to any party required or permitted hereunder shall
be given in writing (unless  otherwise  specified herein) and shall be effective
upon  personal  delivery,   via  facsimile  (upon  receipt  of  confirmation  of
error-free  transmission) or two business days following  deposit of such notice
with an  internationally  recognized  courier service,  with postage prepaid and
addressed to such party at the address set forth in the first  paragraph of this
Agreement with a copy to the Company at the address set forth below,  and to the
other parties thereunto  entitled at the following  addresses,  or at such other
addresses as a party may designate by five days advance  written  notice to each
of the other parties hereto.

     Company:        Data Systems & Software Inc.
                     200 Route 17
                     Mahwah, New Jersey 07430
                     Attention: George Morgenstern, President
                     Tel: (201) 529-2026
                     Fax: (201) 529-3163

                     With a copy to:

                     Ehrenreich Eilenberg Krause & Zivian, LLP
                     11 East 44th Street
                     New York, New York  10017
                     Attention:  Sheldon Krause, Esq.
                     Tel: (212) 986-9700
                     Fax: (212) 986-2399


                                       13
<PAGE>

Registered Holder:   Bounty Investors LLC
                     c\o WEC Asset Management LLC
                     One World Trade Center, Suite #4563
                     New York, New York 10048
                     Attention: Daniel J. Saks
                     Tel: (212) 775-9299
                     Fax: (212) 775-9311

                     With a copy to:

                     Pryor Cashman Sherman & Flynn LLP
                     410 Park Avenue
                     New York, New York 10022
                     Attention: Mark Saks, Esq.
                     Tel: (212) 326-0140
                     Fax: (212) 326-0806

     23. Amendments and Modification.  Changes in or additions to this Debenture
may be made, and compliance with any covenant or condition  herein set forth may
be omitted  only if the  Company  shall  obtain  the  written  consent  from the
Registered Holder of this Debenture.

     24. Optional Redemption.

     (a) The Company shall have the right, exercisable at any time upon delivery
of ten (10) days' prior written notice (a "Redemption Notice") to the Registered
Holder, to redeem all or any portion of the Debentures,  at a price equal to the
Optional  Redemption  Price  (as  defined  below) on the date  specified  in the
Redemption Notice (the "Redemption  Date"). The entire Optional Redemption Price
shall be paid in currently  available  funds.  Notwithstanding  anything  herein
contained to the contrary,  the  Registered  Holder may convert the  Debentures,
including  Debentures  subject to a  Redemption  Notice  given  pursuant to this
Section 24(a), during the period from the date of such Redemption Notice through
the Redemption Date.

     (b) If any portion of the  Optional  Redemption  Price shall not be paid by
the Company within two (2) days after the Redemption Date, interest shall accrue
thereon  at the rate of  eighteen  percent  (18%) per annum  until the  Optional
Redemption  Price plus all such  interest is paid in full.  In addition,  if any
portion of the Optional  Redemption Price remains unpaid after the date due, the
Registered Holder subject to such redemption may elect, by written notice to the
Company given at any time thereafter,  to either (i) demand conversion of all or
any portion of the Debentures  for which such Optional  Redemption  Price,  plus
interest thereof, has not been paid in full (the "Unpaid  Principal"),  in which
event the Applicable  Conversion Price for such shares shall be the lower of the
Applicable Conversion Price calculated on the date the Optional Redemption Price
was  originally  due and the  Applicable  Conversion  Price as of the Registered
Holder's  written demand for conversion  which shall be applied to the increased


                                       14
<PAGE>

amount of Unpaid  Principal for such  conversion,  or (ii)  invalidate ab initio
such redemption,  notwithstanding  anything herein contained to the contrary. If
the Registered Holder elects option (i) above,  notwithstanding  anything herein
contained  to the  contrary,  the  Company  shall  within  three (3) days of its
receipt of such election  deliver to the Registered  Holder the shares of Common
Stock  issuable  upon  conversion  of  the  Unpaid  Principal  subject  to  such
Registered  Holder  conversion  demand and  otherwise  perform  its  obligations
hereunder with respect thereto;  or, if the Registered Holder elects option (ii)
above,  the Company  shall  promptly,  and in any event not later than three (3)
days from receipt of Registered Holder's notice of such election,  return to the
Registered Holder the original Debenture.

     (c) The "Optional  Redemption Price" shall equal the sum of (i) 115% of the
principal  amount of  Debentures  to be  redeemed,  and (ii) all other  amounts,
costs, expenses and liquidated damages due in respect of such Debentures.

     25. No Usury; Holder Not "Acquiring Person"

     (a)  Notwithstanding  anything set forth herein, in the Securities Purchase
Agreement or the Warrants to the contrary, in no event shall the total amount of
all charges payable under this Debenture,  the Securities  Purchase Agreement or
the Warrants  which are or could be held to be in the nature of interest  exceed
the maximum rate permitted to be charged under applicable law. Should Registered
Holder  receive any payment which is or would be in excess of that  permitted to
be charged under any such  applicable  law,  such payment  shall have been,  and
shall be deemed to have been, made in error and shall be automatically  retained
by Registered Holder and used to reduce the principal of this Debenture,  and to
the extent  that such  payment  exceeds the  principal  of this  Debenture  then
outstanding, such payment shall be refunded to the Company.

     (b) It is the intention of the Registered Holder and the Company that in no
event  shall the  Registered  Holder  or any  holder  of the  Debentures  or the
Warrants  be deemed to  "beneficially  own" 15% or more of the  shares of Common
Stock then  outstanding so as to become an "Acquiring  Person" as defined in the
Rights  Agreement  dated as of March 19, 1996,  between the Company and American
Stock Transfer & Trust Company . Therefore,  notwithstanding  anything set forth
in the  Securities  Purchase  Agreement,  any  Debenture  or the Warrants to the
contrary,  at no time  shall  any  Registered  Holder of the  Debentures  or the
Warrants  be deemed to be the  "Beneficial  Owner" of 15% or more of the  Common
Stock then  outstanding.  If at any time any holder of the Debentures  would, by
giving effect to the  conversion  and exercise  provisions of the Debentures and
Warrants,  be the  "Beneficial  Owner" of 15% or more of the  Common  Stock then
outstanding,  then to such extent the Debentures held by such Registered  Holder
shall be  deemed  not to be  convertible  and  shall  be  subject  to  mandatory
redemption at a redemption price of 115%.

     26.  Subordination.  (a)  Payment  of  the  principal  of and  premium  and
interest,  if  any,  on  this  Debenture  and  any  other  Debentures  shall  be
subordinate  and  junior in right of  payment,  to the  extent and in the manner
hereinafter  set forth,  to all  indebtedness  and  liabilities  of the Company,
whether  now or  hereafter  outstanding  (all  such  indebtedness  to which  the
indebtedness  under the Debentures is hereby  subordinated  being referred to as
"Senior Debt").


                                       15
<PAGE>

     (b) The term "subordinate and junior" as used herein shall mean:

     (i) In the  event  of any  insolvency  or  bankruptcy  proceedings,  or any
receivership,    liquidation,    reorganization,    arrangement,   readjustment,
composition or other similar  proceedings in connection  therewith,  relative to
the Company or to its creditors,  as such, or to its property, or dissolution or
other  winding-up  of the  Company,  whether  or  not  involving  insolvency  or
bankruptcy,  or in the event of any assignment by the Company for the benefit of
creditors or in the event of any other marshalling of the assets of the Company,
then the holders of Senior Debt shall be entitled to receive  payment in full of
all principal of and premium and interest on all Senior Debt and all liabilities
constituting   Senior  Debt  (including  interest  thereon  accruing  after  the
commencement of any such proceedings)  before any holder of the Debentures shall
be  entitled to receive  any  payment on account of  principal  of or premium or
interest, if any, on the Debentures.  Any payment or distribution of any kind or
character, whether in cash or property or securities (excluding any Common Stock
issuable upon conversion of any Debenture) , which may be payable or deliverable
in any such proceedings in respect of the Debentures, to which any holder of the
Debentures  would be entitled,  shall be paid by the Company or by any receiver,
trustee in bankruptcy,  liquidating  trustee,  agent or other person making such
payment or distribution, or if received by any holder of the Debentures shall be
held for the benefit of and forthwith  paid over or delivered to, the holders of
Senior Debt (pro rata to each thereof on the basis of the respective  amounts of
Senior  Debt held by each,  or as the terms of the Senior  Debt shall  otherwise
provide)  or their  representatives,  to the  extent  necessary  to pay all such
Senior  Debt  in  full  after  giving  effect  to  any  concurrent   payment  or
distribution to or for the benefit of the holders of Senior Debt.

     (ii) If any  Debenture  is  declared  due and  payable  before its  express
maturity  because of the occurrence of an event of default with respect thereto,
the holders of the Senior  Debt shall be entitled to receive  payment in full of
all  principal  of and  premium  and  interest  on all  Senior  Debt  and of all
liabilities  constituting  Senior Debt before the holders of the  Debentures are
entitled  to receive  any  payment on account  of  principal  of and  premium or
interest, if any, on any Debentures.

     (iii) No payment on account of the principal of or premium or interest,  if
any, on the Debentures or any other payment in respect of the  Debentures  shall
be, and no holder of the  Debentures  shall be entitled to demand or receive any
such  payment,  other than in the form of Common  Stock,  if at the time of such
payment or immediately  after giving effect  thereto,  there shall have occurred
any event of default  under any Senior Debt or under any  agreement  pursuant to
which any Senior Debt is issued or if at the time of such payment any payment of
principal of or premium or interest due on Senior Debt shall not have been made.

     (iv) Upon any  bankruptcy or  insolvency of the Company,  the holder of the
Debenture  may receive any Common Stock in lieu of cash payments of principal or
interest under this  Debentures in such amounts as the court of  jurisdiction or
relevant plan may determine.


                                       16
<PAGE>

     (c) If any payment or distribution is made in  contravention  of subsection
(b), whether in cash or property or securities,  then the recipient thereof will
hold the same for the benefit of, and  forthwith pay or deliver the same to, the
holders of Senior Debt (pro rata to each thereof on the basis of the  respective
amounts of Senior  Debt held by each,  or as the terms of the Senior  Debt shall
otherwise provide).

     (d) The  foregoing  subordination  is not  intended in any way to effect or
limit the convertibility of the Debentures.  This Debenture shall be convertible
on its terms  notwithstanding  the  occurrence  of any event in  subsection  (b)
above.

     (e) The foregoing  restrictions on payment of the Debentures are solely for
the purpose of defining the relative rights of the holders of Senior Debt on the
one hand,  and the  holders of the  Debentures  on the other  hand,  and nothing
therein shall impair,  as between the Company and the holders of the  Debentures
the obligation of the Company with respect to the Debentures.

     [REMAINDER OF PAGE LEFT INTENTIONALLY BLANK, SIGNATURE PAGE TO FOLLOW]


                                       17
<PAGE>

     IN WITNESS WHEREOF, the Company has caused this Debenture to be executed as
of the date first written above.

                                      DATA SYSTEMS & SOFTWARE INC.

                                      By:
                                         -------------------------------
                                          Name: George Morgenstern
                                          Title: President


                                       18
<PAGE>

                              NOTICE OF CONVERSION

     The  conversion  form  appearing  below  should  only  be  executed  by the
Registered Holder desiring to convert all or part of the principal amount of the
Debenture attached hereto.

                                 CONVERSION FORM

     Date: ____________________________________________

     TO:   DATA SYSTEMS & SOFTWARE INC.

     The undersigned  hereby  exercises the conversion  privilege upon the terms
and conditions set forth in the attached Debenture, to the extent of the maximum
number of shares of Common Stock issuable  pursuant to the terms of Section 6 of
the Debenture,  and  accordingly,  authorizes  the Company to apply  $__________
principal amount of the attached Debenture to payment in full for such shares of
Common Stock. Please register such shares and make delivery thereof as follows:

     Registered in the Name of (Giving First or Middle Name in Full)

     Name
         -----------------------------------------------------------
           (Please Print)

     Address
            --------------------------------------------------------


                                       19
<PAGE>

                              DELIVERY INSTRUCTIONS

     To be completed ONLY if Certificates are to be mailed to persons other than
the Registered Holder.

     Name
         -----------------------------------------------------------
           (Please Print)

     Address
            --------------------------------------------------------

     Signature
              ------------------------------------------------------


                                       20
<PAGE>

                                   ASSIGNMENT

     FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfer unto
_______________________________________________________ the within Debenture and
all rights thereunder,  hereby  irrevocably  authorizing the Company to transfer
said Debenture on the books of the Company,  with full power of  substitution in
the premises.

     Dated:
           ---------------------------------------------------------

     Signature:
               -----------------------------------------------------

     Print Name:
                ----------------------------------------------------


                                       21
<PAGE>

                                    EXHIBIT B

THIS  WARRANT AND THE  SECURITIES  REPRESENTED  HEREBY HAVE NOT BEEN  REGISTERED
UNDER THE  SECURITIES  ACT OF 1933, AS AMENDED,  OR THE  SECURITIES  LAWS OF ANY
STATE,  AND MAY NOT BE  TRANSFERRED  IN  VIOLATION  OF SUCH  ACT,  THE RULES AND
REGULATIONS  THEREUNDER OR ANY STATE  SECURITIES  LAWS OR THE PROVISIONS OF THIS
WARRANT.

                     No. of Shares of Common Stock: 100,000

                                     WARRANT

                           To Purchase Common Stock of

                          DATA SYSTEMS & SOFTWARE INC.

     THIS IS TO CERTIFY THAT Bounty Investors LLC, a Delaware limited  liability
company, or its registered  assigns,  is entitled,  at any time from the Warrant
Issuance Date (as  hereinafter  defined) to the Expiration  Date (as hereinafter
defined),  to purchase from Data Systems & Software Inc., a Delaware corporation
(the  "Company"),  one hundred  thousand  (100,000)  shares of Common  Stock (as
hereinafter  defined and subject to adjustment as provided herein),  in whole or
in part,  including  fractional  parts,  at a purchase  price per share equal to
$3.06625  (subject to any adjustments  made to such amount pursuant to Section 4
hereto) on the terms and conditions  and pursuant to the provisions  hereinafter
set forth.

1. DEFINITIONS

     As used in this Warrant,  the following terms have the respective  meanings
set forth below:

     "Business Day" shall mean any day that is not a Saturday or Sunday or a day
on which banks are required or permitted to be closed in the State of New York.

     "Closing Date" shall have the meaning set forth in the Securities  Purchase
Agreement.

     "Commission" shall mean the Securities and Exchange Commission or any other
federal  agency  then   administering  the  Securities  Act  and  other  federal
securities laws.

     "Common  Stock" shall mean (except where the context  otherwise  indicates)
the Common Stock, par value $.01 per share, of the Company as constituted on the
Closing Date,  and any capital stock into which such Common Stock may thereafter
be changed, and shall also include (i) capital stock of the Company of any other
class (regardless of how denominated)  issued to the holders of shares of Common
Stock  upon any  reclassification  thereof  which is also  not  preferred  as to
dividends  or assets  over any other  class of stock of the Company and which is
not subject to  redemption  and (ii) shares of common stock of any  successor or
acquiring

<PAGE>

corporation  received by or  distributed  to the holders of Common  Stock of the
Company in the circumstances contemplated by Section 4.4.

     "Current Warrant Price" shall mean,  $3.06625 subject to any adjustments to
such amount made in accordance with Section 4 hereof.

     "Debentures"  shall has the  meaning set forth in the  Securities  Purchase
Agreement.

     "Exchange Act" shall mean the Securities  Exchange Act of 1934, as amended,
or  any  successor  federal  statute,  and  the  rules  and  regulations  of the
Commission thereunder, all as the same shall be in effect from time to time.

     "Exercise  Period"  shall mean the  period  during  which  this  Warrant is
exercisable pursuant to Section 2.1.

     "Expiration Date" shall mean October 12, 2002.

     "Holder"  shall mean the Person in whose name the Warrant or Warrant  Stock
set forth herein is registered on the books of the Company  maintained  for such
purpose. "Other Property" shall have the meaning set forth in Section 4.4.

     "Outstanding"  shall mean, when used with reference to Common Stock, at any
date as of which the number of shares  thereof is to be  determined,  all issued
shares of Common  Stock,  except shares then owned or held by or for the account
of the Company or any subsidiary thereof,  and shall include all shares issuable
in respect of  outstanding  scrip or any  certificates  representing  fractional
interests in shares of Common Stock.

     "Person" shall mean any individual, sole proprietorship, partnership, joint
venture,   trust,   incorporated   organization,    association,    corporation,
institution,  public benefit corporation, entity or government (whether federal,
state, county, city, municipal or otherwise,  including, without limitation, any
instrumentality, division, agency, body or department thereof).

     "Registration   Rights  Agreement"  shall  mean  the  Registration   Rights
Agreement  dated a date even  herewith  by and  between  the  Company and Bounty
Investors LLC, as it may be amended from time to time.

     "Restricted  Common  Stock" shall mean shares of Common Stock which are, or
which upon their issuance on the exercise of this Warrant would be, evidenced by
a certificate bearing the restrictive legend set forth in Section 9.1(a).

     "Securities Act" shall mean the Securities Act of 1933, as amended,  or any
successor  federal  statute,  and the rules and  regulations  of the  Commission
thereunder, all as the same shall be in effect at the time.

     "Securities   Purchase   Agreement"  shall  mean  the  Securities  Purchase
Agreement dated as of a date even herewith by and between the Company and Bounty
Investors LLC, as it may be amended from time to time.

     "Transfer" shall mean any disposition of any Warrant or Warrant Stock or of
any interest in either thereof,  which would constitute an offer or sale thereof
within the meaning of the Securities Act.


                                       2
<PAGE>

     "Transfer Notice" shall have the meaning set forth in Section 9.2.

     "Warrant  Issuance  Date" shall mean any date on which  Warrants are issued
pursuant to the Securities Purchase Agreement.

     "Warrants"  shall mean this Warrant and all warrants  issued upon transfer,
division or combination  of, or in substitution  for, any thereof.  All Warrants
shall at all times be identical as to terms and conditions  and date,  except as
to the number of shares of Common Stock for which they may be exercised.

     "Warrant  Price"  shall mean an amount equal to (i) the number of shares of
Common Stock being  purchased upon exercise of this Warrant  pursuant to Section
2.1,  multiplied  by (ii)  the  Current  Warrant  Price  as of the  date of such
exercise.

     "Warrant  Stock"  shall mean the shares of Common  Stock  purchased  by the
holders of the Warrants upon the exercise thereof.

2. EXERCISE OF WARRANT

     2.1. Manner of Exercise. From and after the Warrant Issuance Date and until
5:00 P.M., New York City time, on the Expiration Date,  Holder may exercise this
Warrant,  on any  Business  Day,  for all or any part of the number of shares of
Common Stock purchasable hereunder.

     In order to  exercise  this  Warrant,  in  whole or in part,  Holder  shall
deliver  to the  Company  at the  office or  agency  designated  by the  Company
pursuant  to Section 12, (i) a written  notice of Holder's  election to exercise
this Warrant, which notice shall specify the number of shares of Common Stock to
be purchased,  (ii) payment by cash,  check or bank draft payable to the Company
of the Warrant Price in cash or by wire  transfer or cashier's  check drawn on a
United  States bank or by the Holder's  surrender of Warrant Stock (or the right
to receive such number of shares) having an aggregate  Market Price equal to the
Warrant Price for all shares then being  purchased and (iii) this Warrant.  Such
notice shall be substantially in the form of the subscription  form appearing at
the end of this  Warrant as Exhibit A, duly  executed  by Holder or its agent or
attorney.  Upon receipt of the items  referred to in clauses (i), (ii) and (iii)
above,  the Company shall, as promptly as  practicable,  and in any event within
three (3) Business Days thereafter,  execute or cause to be executed and deliver
or cause to be delivered to Holder a certificate  or  certificates  representing
the aggregate number of full shares of Common Stock issuable upon such exercise,
together with cash in lieu of any fraction of a share, as hereinafter  provided.
The stock  certificate  or  certificates  so  delivered  shall be, to the extent
possible,  in such  denomination or denominations as Holder shall request in the
notice and shall be registered  in the name of Holder or,  subject to Section 9,
such other name as shall be  designated  in the notice.  This  Warrant  shall be
deemed to have been  exercised and such  certificate  or  certificates  shall be
deemed to have been issued,  and Holder or any other Person so  designated to be
named  therein  shall be deemed to have become a holder of record of such shares
for all  purposes,  as of the date the Warrant has been  exercised by payment to
the Company of the Warrant  Price.  If this Warrant shall have been exercised in
part,  the  Company  shall,  at the  time  of  delivery  of the  certificate  or
certificates  representing  Warrant  Stock,  deliver  to  Holder  a new  Warrant
evidencing


                                       3
<PAGE>

the rights of Holder to purchase the  unpurchased  shares of Common Stock called
for by this Warrant,  which new Warrant shall in all other respects be identical
with this Warrant.

     The Holder  shall be entitled to exercise the Warrant  notwithstanding  the
commencement  of any case  under 11  U.S.C.  ss.  101 et seq.  (the  "Bankruptcy
Code").  In the event the Company is a debtor  under the  Bankruptcy  Code,  the
Company  hereby waives to the fullest  extent  permitted any rights to relief it
may have under 11 U.S.C. ss. 362 in respect of the Holder's  exercise right. The
Company  hereby waives to the fullest  extent  permitted any rights to relief it
may have under 11 U.S.C. ss. 362 in respect of the exercise of the Warrant.  The
Company agrees, without cost or expense to the Holder, to take or consent to any
and all action necessary to effectuate relief under 11 U.S.C. ss. 362.

     2.2. Payment of Taxes and Charges. All shares of Common Stock issuable upon
the  exercise  of this  Warrant  pursuant to the terms  hereof  shall be validly
issued,  fully paid and  nonassessable,  and without any preemptive  rights. The
Company  shall pay all  expenses  in  connection  with,  and all taxes and other
governmental  charges that may be imposed with respect to, the issue or delivery
thereof.

     2.3.  Fractional  Shares.  The  Company  shall not be  required  to issue a
fractional  share of  Common  Stock  upon  exercise  of any  Warrant.  As to any
fraction of a share which  Holder would  otherwise be entitled to purchase  upon
such exercise,  the Company shall pay a cash adjustment in respect of such final
fraction in an amount  equal to the same  fraction of the Market Price per share
of Common Stock on the relevant exercise date.

     2.4. Continued Validity. A holder of shares of Common Stock issued upon the
exercise of this Warrant,  in whole or in part (other than a holder who acquires
such shares after the same have been publicly  sold  pursuant to a  Registration
Statement  under the  Securities  Act or sold pursuant to Rule 144  thereunder),
shall continue to be entitled with respect to such shares to all rights to which
it would  have been  entitled  as  Holder  under  Sections  9, 10 and 14 of this
Warrant.  The Company will, at the time of exercise of this Warrant, in whole or
in part, upon the request of Holder,  acknowledge in writing, in form reasonably
satisfactory  to Holder,  its  continuing  obligation  to afford Holder all such
rights;  provided,  however, that if Holder shall fail to make any such request,
such failure shall not affect the continuing obligation of the Company to afford
to Holder all such rights.

     2.5. Right to Convert Warrant.  The Holder shall have the right to convert,
in whole or in part, this Warrant (the "Conversion  Right") at any time prior to
the expiration of the Exercise Period, into shares of Common Stock in accordance
with this Section 2.5. Upon exercise of the Conversion  Right, the Company shall
deliver to the Holder (without  payment by the Holder of the Warrant Price) that
number of shares of Common Stock equal to the quotient  obtained by dividing (x)
the  value  of the  portion  of this  Warrant  being  converted  at the time the
Conversion  Right is exercised  (determined by subtracting the Warrant Price for
the portion of this Warrant being converted (in effect  immediately prior to the
exercise of the Conversion  Right) from the amount  obtained by multiplying  the
number of shares of Common Stock issuable upon the whole or partial  exercise of
this Warrant,  as the case may be, by the Market Price  immediately prior to the
exercise of the Conversion Right) by (y) the Market Price of one share of Common
Stock immediately prior to the exercise of the Conversion Right.


                                       4
<PAGE>

     The  Conversion  Right may be exercised by the Holder,  at any time or from
time to time,  prior to its  expiration,  on any  business  day by  delivering a
written  notice (the  "Conversion  Notice") to the Company at the offices of the
Company,  exercising the Conversion Right and specifying (i) the total number of
shares of Common Stock the Holder will purchase  pursuant to the  conversion and
(ii) a place and date not less than two (2) nor more than twenty  (20)  Business
Days from the date of the Subscription Notice for the closing of such purchase.

     At any closing under this Section 2.5, (i) the Holder will  surrender  this
Warrant  and (ii) the  Company  will  deliver  to the  Holder a  certificate  or
certificates  for the  number  of  shares of  Common  Stock  issuable  upon such
conversion.  If this Warrant shall have been converted only in part, the Company
shall,  at the time of  delivery  of said  stock  certificate  or  certificates,
deliver  to the  Holder a new  Warrant  evidencing  the  rights of the Holder to
purchase the remaining shares of Common Stock called for by this Warrant,  which
new Warrant shall in all other respects be identical to this Warrant, or, at the
request of the Holder,  appropriate notation may be made on this Warrant and the
same returned to the Holder. The Company shall pay all expenses, taxes and other
charges payable in connection with the  preparation,  issue and delivery of such
stock   certificates  and  new  Warrants,   except  that,  in  case  such  stock
certificates  and/or new Warrants  shall be  registered in a name or names other
than the name of the Holder,  funds  sufficient to pay all stock  transfer taxes
that are payable  upon the issuance of such stock  certificates  or new Warrants
shall be paid by the Holder at the time of  delivering  the  notice of  exercise
mentioned above.

     2.6. Exercise Limitation.  Notwithstanding anything herein to the contrary,
at no time shall the Holder  (including its officers,  directors and affiliates)
maintain in the  aggregate  beneficial  ownership  (as  defined for  purposes of
Section 16 of the  Securities  Exchange  Act of 1934,  as  amended) of shares of
Common  Stock in excess of 9.9% of the  Company's  outstanding  Common Stock and
accordingly, the Holder may only exercise this Warrant up to the point where its
aggregate  beneficial  ownership  (as defined for  purposes of Section 16 of the
Securities  Exchange Act of 1934, as amended) of shares of Common Stock is equal
or less than 9.9% of the Company's outstanding Common Stock.

3. TRANSFER, DIVISION AND COMBINATION

     3.1.  Transfer.  Subject to  compliance  with  Sections 9, transfer of this
Warrant and all rights  hereunder,  in whole or in part,  shall be registered on
the books of the Company to be maintained  for such purpose,  upon  surrender of
this Warrant at the principal  office of the Company  referred to in Section 2.1
or the office or agency  designated  by the  Company  pursuant  to  Section  12,
together with a written assignment of this Warrant  substantially in the form of
Exhibit B hereto  duly  executed by Holder or its agent or  attorney.  Upon such
surrender,  the Company  shall,  subject to Section 9, execute and deliver a new
Warrant  or  Warrants  in the  name  of the  assignee  or  assignees  and in the
denomination specified in such instrument of assignment,  and shall issue to the
assignor a new Warrant  evidencing  the portion of this Warrant not so assigned,
and this Warrant shall promptly be cancelled. A Warrant, if properly assigned in


                                       5
<PAGE>

compliance  with Section 9, may be exercised by a new Holder for the purchase of
shares of Common Stock without having a new Warrant issued.

     3.2.  Division and  Combination.  Subject to Section 9, this Warrant may be
divided  or  combined  with  other  Warrants  upon  presentation  hereof  at the
aforesaid  office or  agency  of the  Company,  together  with a written  notice
specifying the names and  denominations  in which new Warrants are to be issued,
signed by Holder or its agent or attorney.  Subject to  compliance  with Section
3.1 and  with  Section  9, as to any  transfer  which  may be  involved  in such
division or combination,  the Company shall execute and deliver a new Warrant or
Warrants  in  exchange  for the Warrant or Warrants to be divided or combined in
accordance with such notice.

     3.3.  Expenses.  The Company  shall  prepare,  issue and deliver at its own
expense the new Warrant or Warrants under this Section 3.

     3.4. Maintenance of Books. The Company agrees to maintain, at its aforesaid
office or agency, books for the registration and the registration of transfer of
the Warrants.

4. ADJUSTMENTS

     The number of shares of Common Stock for which this Warrant is exercisable,
or the  price at which  such  shares  may be  purchased  upon  exercise  of this
Warrant,  shall be subject to adjustment  from time to time as set forth in this
Section 4. The Company  shall give Holder  notice of any event  described  below
which  requires an  adjustment  pursuant  to this  Section 4 at the time of such
event.

     4.1. Stock  Dividends,  Subdivisions and  Combinations.  If at any time the
Company shall:

     (a) take a record of the  holders  of its Common  Stock for the  purpose of
entitling  them to  receive a dividend  payable  in, or other  distribution  of,
Additional Shares of Common Stock,

     (b) subdivide its  outstanding  shares of Common Stock into a larger number
of shares of Common Stock, or

     (c) combine its outstanding shares of Common Stock into a smaller number of
shares of Common Stock,

then (i) the  number  of  shares of Common  Stock  for  which  this  Warrant  is
exercisable immediately after the occurrence of any such event shall be adjusted
to equal the number of shares of Common Stock which a record  holder of the same
number of  shares  of  Common  Stock  for  which  this  Warrant  is  exercisable
immediately  prior to the  occurrence  of such event would own or be entitled to
receive  after the happening of such event,  and (ii) the Current  Warrant Price
shall be adjusted  to equal (A) the  Current  Warrant  Price  multiplied  by the
number of  shares  of  Common  Stock  for  which  this  Warrant  is  exercisable
immediately prior to the adjustment


                                       6
<PAGE>

divided  by (B) the  number of shares  for which  this  Warrant  is  exercisable
immediately after such adjustment.

     4.2. No Cash or Stock Dividends; Certain Other Distributions. The Holder of
this  Warrant  shall not (in such  capacity)  be entitled  to receive  dividends
payable  in cash or shares of the  Common  Stock;  provided  that an  adjustment
pursuant to Section 4.1 shall be made in the event of a stock dividend.  In case
the Company  shall  distribute  to all holders of record of its Common Stock any
rights,  options or warrants  entitling all holders to subscribe for or purchase
shares  of  Common  Stock,   the  Holder  shall  be  entitled  to  receive  such
distribution as if the Holder had exercised the Warrant.

     4.3. Other  Provisions  Applicable to Adjustments  under this Section.  The
following  provisions  shall be applicable to the making of  adjustments  of the
number of shares of Common Stock for which this Warrant is  exercisable  and the
Current Warrant Price provided for in this Section 4:

     (a) When Adjustments to Be Made. The adjustments required by this Section 4
shall  be made  whenever  and as  often  as any  specified  event  requiring  an
adjustment shall occur.  For the purpose of any adjustment,  any specified event
shall be deemed to have  occurred  at the close of  business  on the date of its
occurrence.

     (b) Fractional  Interests.  In computing  adjustments under this Section 4,
fractional  interests in Common Stock shall be taken into account to the nearest
1/10th of a share.

     (c) When Adjustment Not Required. If the Company shall take a record of the
holders  of its Common  Stock for the  purpose  of  entitling  them to receive a
dividend  or   distribution  or  subscription  or  purchase  rights  and  shall,
thereafter and before the distribution to stockholders thereof,  legally abandon
its plan to pay or deliver such dividend, distribution, subscription or purchase
rights,  then thereafter no adjustment shall be required by reason of the taking
of such record and any such adjustment  previously made in respect thereof shall
be rescinded and annulled.

     (d) Challenge to Good Faith Determination.  Whenever the Board of Directors
of the Company  shall be required to make a  determination  in good faith of the
fair  value  of any  item  under  this  Section  4,  such  determination  may be
challenged in good faith by the Holder,  and any dispute shall be resolved by an
investment  banking firm of recognized  national standing selected by the Holder
and reasonably acceptable to the Company.

     4.4. Reorganization, Reclassification, Merger, Consolidation or Disposition
of Assets.  In case the Company shall  reorganize  its capital,  reclassify  its
capital stock,  consolidate or merge with or into another corporation (where the
Company  is not the  surviving  corporation  or where  there  is a change  in or
distribution with respect to the Common Stock of the Company), or sell, transfer
or  otherwise  dispose  of all or  substantially  all its  property,  assets  or
business   to  another   corporation   and,   pursuant  to  the  terms  of  such
reorganization,   reclassification,  merger,  consolidation  or  disposition  of
assets, shares of common stock of the successor or acquiring


                                       7
<PAGE>

corporation, or any cash, shares of stock or other securities or property of any
nature whatsoever  (including warrants or other subscription or purchase rights)
in  addition  to or in  lieu of  common  stock  of the  successor  or  acquiring
corporation  ("Other  Property"),  are to be received by or  distributed  to the
holders  of  Common  Stock of the  Company,  then  Holder  shall  have the right
thereafter  to receive,  upon  exercise of the Warrant,  the number of shares of
common stock of the successor or acquiring  corporation or of the Company, if it
is the surviving corporation,  and Other Property receivable upon or as a result
of such reorganization,  reclassification,  merger, consolidation or disposition
of  assets by a holder of the  number of shares of Common  Stock for which  this
Warrant is  exercisable  immediately  prior to such  event.  In case of any such
reorganization,   reclassification,  merger,  consolidation  or  disposition  of
assets, the successor or acquiring corporation (if other than the Company) shall
expressly  assume the due and punctual  observance  and  performance of each and
every covenant and condition of this Warrant to be performed and observed by the
Company  and all the  obligations  and  liabilities  hereunder,  subject to such
modifications as may be deemed appropriate,  subject to the Holder's consent, in
order to  provide  for  adjustments  of shares of  Common  Stock for which  this
Warrant is exercisable which shall be as nearly equivalent as practicable to the
adjustments  provided  for in this  Section 4. For purposes of this Section 4.4,
"common stock of the successor or acquiring  corporation" shall include stock of
such  corporation  of any class which is not preferred as to dividends or assets
over any other  class of stock of such  corporation  and which is not subject to
redemption and shall also include any evidences of indebtedness, shares of stock
or other  securities  which are convertible  into or  exchangeable  for any such
stock,  either  immediately  or upon  the  arrival  of a  specified  date or the
happening of a specified event and any warrants or other rights to subscribe for
or purchase any such stock.  The foregoing  provisions of this Section 4.4 shall
similarly  apply  to  successive  reorganizations,  reclassifications,  mergers,
consolidations or disposition of assets.

     4.5. Other Action  Affecting Common Stock. In case at any time or from time
to time the Company shall take any action in respect of its Common Stock,  other
than any action taken in the ordinary  course of the  Company's  business or any
action  described in this Section 4, which would have a material  adverse effect
upon the rights of the Holder,  the number of shares of Common  Stock and/or the
purchase  price  thereof shall be adjusted in such manner as may be equitable in
the circumstances, as determined in good faith by an investment bank selected by
Holder.

     4.6. Certain Limitations.  Notwithstanding anything herein to the contrary,
the Company  agrees not to enter into any  transaction  which,  by reason of any
adjustment hereunder,  would cause the Current Warrant Price to be less than the
par value per share of Common Stock.

     4.7. No Voting  Rights.  This  Warrant  shall not entitle its Holder to any
voting rights or other rights as a shareholder of the Company.

5. NOTICES TO HOLDER

     5.1. Notice of  Adjustments.  Whenever the number of shares of Common Stock
for which this Warrant is exercisable, or whenever the price at which a share of
such Common  Stock may be  purchased  upon  exercise of the  Warrants,  shall be
adjusted   pursuant  to  Section  4,  the  Company  shall  forthwith  prepare  a
certificate to be executed by an executive


                                       8
<PAGE>

officer of the Company setting forth, in reasonable  detail, the event requiring
the  adjustment  and  the  method  by  which  such  adjustment  was  calculated,
specifying  the  number  of shares of Common  Stock for which  this  Warrant  is
exercisable  and (if such  adjustment  was made  pursuant to Section 4.4 or 4.5)
describing  the number and kind of any other  shares of stock or Other  Property
for which this Warrant is  exercisable,  and any change in the purchase price or
prices thereof,  after giving effect to such  adjustment or change.  The Company
shall  promptly  cause a signed copy of such  certificate to be delivered to the
Holder in accordance  with Section 14.2. The Company shall keep at its office or
agency  designated  pursuant to Section 12 copies of all such  certificates  and
cause the same to be  available  for  inspection  at said office  during  normal
business hours by the Holder, its representatives,  or any prospective purchaser
of a Warrant designated by the Holder.

     5.2. Notice of Corporate Action. If at any time

     (a) the Company  shall take a record of the holders of its Common Stock for
the purpose of entitling  them to receive a dividend or other  distribution,  or
any right to subscribe  for or purchase any evidences of its  indebtedness,  any
shares of stock of any class or any other securities or property,  or to receive
any other right, or

     (b)  there  shall  be  any  capital  reorganization  of  the  Company,  any
reclassification  or recapitalization of the capital stock of the Company or any
consolidation  or merger of the  Company  with,  or any sale,  transfer or other
disposition of all or substantially all the property,  assets or business of the
Company to, another corporation, or

     (c) there shall be a voluntary or involuntary  dissolution,  liquidation or
winding up of the Company;

then, in any one or more of such cases,  the Company shall give to Holder (i) at
least thirty (30)  Business  Days' prior  written  notice of the date on which a
record date shall be selected for such  dividend,  distribution  or right or for
determining   rights   to  vote  in   respect   of  any   such   reorganization,
reclassification,    merger,   consolidation,   sale,   transfer,   disposition,
dissolution,  liquidation  or  winding  up,  and  (ii) in the  case of any  such
reorganization,   reclassification,   merger,  consolidation,   sale,  transfer,
disposition,  dissolution,  liquidation  or  winding  up, at least  thirty  (30)
Business  Days' prior written notice of the date when the same shall take place.
Such notice in accordance  with the foregoing  clause also shall specify (i) the
date on which any such record is to be taken for the  purpose of such  dividend,
distribution  or right,  the date on which the holders of Common  Stock shall be
entitled  to any such  dividend,  distribution  or  right,  and the  amount  and
character  thereof,  and  (ii)  the  date  on  which  any  such  reorganization,
reclassification,    merger,   consolidation,   sale,   transfer,   disposition,
dissolution,  liquidation  or winding  up is to take place and the time,  if any
such  time is to be fixed,  as of which the  holders  of Common  Stock  shall be
entitled  to  exchange  their  shares of Common  Stock for  securities  or other
property  deliverable  upon  such  reorganization,   reclassification,   merger,
consolidation, sale, transfer, disposition,  dissolution, liquidation or winding
up. Each such written notice shall be sufficiently  given if addressed to Holder
at the  last  address  of  Holder  appearing  on the  books of the  Company  and
delivered in accordance with Section 14.2.


                                       9
<PAGE>

6. NO IMPAIRMENT

     The  Company  shall  not  by any  action,  including,  without  limitation,
amending  its  certificate  of  incorporation  or  through  any  reorganization,
transfer  of  assets,  consolidation,  merger,  dissolution,  issue  or  sale of
securities or any other voluntary action,  avoid or seek to avoid the observance
or  performance  of any of the terms of this  Warrant,  but will at all times in
good faith assist in the carrying out of all such terms and in the taking of all
such actions as may be necessary or  appropriate to protect the rights of Holder
against  impairment.  Without  limiting the  generality  of the  foregoing,  the
Company  will (a) not  increase  the par value of any  shares  of  Common  Stock
receivable  upon the exercise of this Warrant above the amount payable  therefor
upon such exercise immediately prior to such increase in par value, (b) take all
such action as may be  necessary  or  appropriate  in order that the Company may
validly and legally  issue fully paid and  nonassessable  shares of Common Stock
upon the  exercise of this  Warrant,  and (c) use its best efforts to obtain all
such  authorizations,  exemptions  or consents from any public  regulatory  body
having jurisdiction thereof as may be necessary to enable the Company to perform
its obligations under this Warrant.

     Upon the request of Holder,  the Company will at any time during the period
this  Warrant  is  outstanding   acknowledge  in  writing,  in  form  reasonably
satisfactory  to  Holder,  the  continuing  validity  of  this  Warrant  and the
obligations of the Company hereunder.

7. RESERVATION AND AUTHORIZATION OF COMMON STOCK

     From and after the Closing Date, the Company shall at all times reserve and
keep  available  for issue upon the  exercise  of  Warrants  such  number of its
authorized  but unissued  shares of Common Stock as will be sufficient to permit
the  exercise in full of all  outstanding  Warrants.  All shares of Common Stock
which shall be so issuable, when issued upon exercise of any Warrant and payment
therefor in accordance with the terms of such Warrant, shall be duly and validly
issued and fully paid and nonassessable, and not subject to preemptive rights.

     Before  taking any action  which would  cause an  adjustment  reducing  the
Current  Warrant Price below the then par value, if any, of the shares of Common
Stock  issuable  upon  exercise  of the  Warrants,  the  Company  shall take any
corporate  action  which may be  necessary in order that the Company may validly
and legally issue fully paid and  non-assessable  shares of such Common Stock at
such adjusted Current Warrant Price.

     Before  taking any action which would result in an adjustment in the number
of shares  of Common  Stock for which  this  Warrant  is  exercisable  or in the
Current  Warrant  Price,  the Company  shall obtain all such  authorizations  or
exemptions  thereof,  or consents  thereto,  as may be necessary from any public
regulatory body or bodies having jurisdiction thereof.


                                       10
<PAGE>

8. TAKING OF RECORD; STOCK AND WARRANT TRANSFER BOOKS

     In the case of all dividends or other  distributions  by the Company to the
holders of its Common  Stock with  respect to which any  provision  of Section 4
refers to the taking of a record of such holders,  the Company will in each such
case take  such a record as of the close of  business  on a  Business  Day.  The
Company will not at any time close its stock transfer books or Warrant  transfer
books so as to result in  preventing or delaying the exercise or transfer of any
Warrant.

9. RESTRICTIONS ON TRANSFERABILITY

     The Warrants and the Warrant Stock shall not be  transferred,  hypothecated
or assigned before  satisfaction of the conditions  specified in this Section 9,
which  conditions are intended to ensure  compliance  with the provisions of the
Securities Act with respect to the Transfer of any Warrant or any Warrant Stock.
Holder,  by acceptance of this Warrant,  agrees to be bound by the provisions of
this Section 9.

     9.1.  Restrictive  Legend.  The Holder by  accepting  this  Warrant and any
Warrant  Stock  agrees that this  Warrant and the Warrant  Stock  issuable  upon
exercise  hereof may not be assigned or otherwise  transferred  unless and until
(i) the  Company  has  received  an opinion of counsel  for the Holder that such
securities  may be sold  pursuant to an exemption  from  registration  under the
Securities Act or (ii) a registration  statement relating to such securities has
been filed by the Company and declared effective by the Commission.

     (a) Each  certificate  for Warrant Stock  issuable  hereunder  shall bear a
legend  substantially  worded as follows unless such  securities  have been sold
pursuant to an effective registration statement under the Securities Act:

                   "The securities represented by this certificate have
              not been registered under the Securities Act of 1933, as
              amended (the "Act") or any state securities laws. The
              securities may not be offered for sale, sold, assigned,
              offered, transferred or otherwise distributed for value
              except (i) pursuant to an effective registration statement
              under the Act or any state securities laws or (ii) pursuant
              to an exemption from registration or prospectus delivery
              requirements under the Act or any state securities laws in
              respect of which the Company has received an opinion of
              counsel satisfactory to the Company to such effect. Copies
              of the agreement covering both the purchase of the
              securities and restricting their transfer may be obtained at
              no cost by written request made by the holder of record of
              this certificate to the Secretary of the Company at the
              principal executive offices of the Company."


                                       11
<PAGE>

     (b) Except as otherwise provided in this Section 9, the Warrant shall be
stamped or otherwise imprinted with a legend in substantially the following
form:

                   "This Warrant and the securities represented hereby
              have not been registered under the Securities Act of 1933,
              as amended, or any state securities laws and may not be
              transferred in violation of such Act, the rules and
              regulations thereunder or any state securities laws or the
              provisions of this Warrant."

     9.2.  Notice of Proposed  Transfers.  Prior to any  Transfer  or  attempted
Transfer of any Warrants or any shares of Restricted  Common  Stock,  the Holder
shall give five (5) days'  prior  written  notice (a  "Transfer  Notice") to the
Company of Holder's intention to effect such Transfer, describing the manner and
circumstances  of the  proposed  Transfer,  and obtain from counsel to Holder an
opinion that the proposed  Transfer of such Warrants or such  Restricted  Common
Stock may be effected  without  registration  under the  Securities Act or state
securities laws. After the Company's receipt of the Transfer Notice and opinion,
such Holder  shall  thereupon  be entitled  to  Transfer  such  Warrants or such
Restricted  Common Stock, in accordance  with the terms of the Transfer  Notice.
Each  certificate,  if any,  evidencing  such shares of Restricted  Common Stock
issued upon such Transfer and the Warrant  issued upon such Transfer  shall bear
the restrictive  legends set forth in Section 9.1, unless in the opinion of such
counsel  such  legend is not  required  in order to ensure  compliance  with the
Securities Act.

     9.3. Required Registration.  Pursuant to the terms and conditions set forth
in the Registration  Rights  Agreement,  the Company shall prepare and file with
the Commission not later than the thirtieth (30th) day after the Closing Date, a
Registration  Statement  relating  to the  offer  and sale of the  Common  Stock
issuable  upon  exercise of the Warrants and shall use its best efforts to cause
the Commission to declare such  Registration  Statement  effective in accordance
with the terms set forth in Section 2(a) of the Registration Rights Agreement.

     9.4. Termination of Restrictions.  Notwithstanding the foregoing provisions
of Section 9, the restrictions  imposed by this Section upon the transferability
of the Warrants,  the Warrant Stock and the  Restricted  Common Stock (or Common
Stock issuable upon the exercise of the Warrants) and the legend requirements of
Section 9.1 shall  terminate  as to any  particular  Warrant or share of Warrant
Stock or Restricted  Common Stock (or Common Stock issuable upon the exercise of
the Warrants) (i) when and so long as such security shall have been  effectively
registered  under the Securities Act and applicable  state  securities  laws and
disposed of pursuant  thereto or (ii) when the  Company  shall have  received an
opinion of counsel  that such  shares may be  transferred  without  registration
thereof under the Securities Act and applicable state securities laws.  Whenever
the  restrictions  imposed by Section 9 shall  terminate as to this Warrant,  as
hereinabove  provided,  the Holder  hereof shall be entitled to receive from the
Company upon written request of the Holder, at the expense of the Company, a new
Warrant  bearing the  following  legend in place of the  restrictive  legend set
forth hereon:


                                       12
<PAGE>

                              "THE RESTRICTIONS ON
                          TRANSFERABILITY OF THE WITHIN
                          WARRANT CONTAINED IN SECTION 9
                          HEREOF TERMINATED ON ________,
                          19__, AND ARE OF NO FURTHER FORCE
                          AND EFFECT."

All Warrants issued upon registration of transfer, division or combination of,
or in substitution for, any Warrant or Warrants entitled to bear such legend
shall have a similar legend endorsed thereon. Whenever the restrictions imposed
by this Section shall terminate as to any share of Restricted Common Stock, as
hereinabove provided, the holder thereof shall be entitled to receive from the
Company, at the Company's expense, a new certificate representing such Common
Stock not bearing the restrictive legends set forth in Section 9.1. The Holder
acknowledges that the Registration Statement referred to in Section 9.3 above
relates to the resale of the Warrant Shares only and that the Company may take
appropriate steps, including stop transfer orders and restrictive legends to
insure that the Warrant Shares are sold in compliance with the Registration
Statement (including the prospectus delivery requirement) and any applicable
laws and rules, until such resale has been effected.

     9.5. Listing on Securities Exchange. If the Company shall list any shares
of Common Stock on any securities exchange, it will, at its expense, list
thereon, maintain and, when necessary, increase such listing of, all shares of
Common Stock issued or, to the extent permissible under the applicable
securities exchange rules, issuable upon the exercise of this Warrant so long as
any shares of Common Stock shall be so listed during the Exercise Period.

10. SUPPLYING INFORMATION

     The Company shall cooperate with Holder in supplying such information as
may be reasonably necessary for Holder to complete and file any information
reporting forms presently or hereafter required by the Commission as a condition
to the availability of an exemption from the Securities Act for the sale of any
Warrant or Restricted Common Stock.

11. LOSS OR MUTILATION

     Upon receipt by the Company from Holder of evidence reasonably satisfactory
to it of the ownership of and the loss, theft, destruction or mutilation of this
Warrant and indemnity reasonably satisfactory to it (it being understood that
the written agreement of the Holder shall be sufficient indemnity), and in case
of mutilation upon surrender and cancellation hereof, the Company will execute
and deliver in lieu hereof a new Warrant of like tenor to Holder; provided, in
the case of mutilation, no indemnity shall be required if this Warrant in
identifiable form is surrendered to the Company for cancellation.


                                       13
<PAGE>

12. OFFICE OF THE COMPANY

     As long as any of the Warrants remain outstanding, the Company shall
maintain an office or agency (which may be the principal executive offices of
the Company) where the Warrants may be presented for exercise, registration of
transfer, division or combination as provided in this Warrant, such office to be
initially located at 200 Route 17, Mahwah, New Jersey 07430, fax: (201)
529-3163, provided, however, that the Company shall provide prior written notice
to Holder of a change in address no less than 30 days prior to such change.

13. LIMITATION OF LIABILITY

     No provision hereof, in the absence of affirmative action by Holder to
purchase shares of Common Stock, and no enumeration herein of the rights or
privileges of Holder hereof, shall give rise to any liability of Holder for the
purchase price of any Common Stock or as a stockholder of the Company, whether
such liability is asserted by the Company or by creditors of the Company.

14. MISCELLANEOUS

     14.1. Nonwaiver and Expenses.  No course of dealing or any delay or failure
to exercise any right  hereunder on the part of Holder shall operate as a waiver
of such  right or  otherwise  prejudice  Holder's  rights,  powers or  remedies,
notwithstanding all rights hereunder terminate on the Expiration Date.

     14.2. Notice  Generally.  Except as may be otherwise  provided herein,  any
notice or other  communication or delivery required or permitted hereunder shall
be in writing  and shall be  delivered  personally  or sent by  certified  mail,
postage prepaid, or by a nationally  recognized  overnight courier service,  and
shall be deemed  given when so  delivered  personally  or by  overnight  courier
service,  or, if mailed,  three (3) days after the date of deposit in the United
States mails, as follows:

  If to the Company, to:      Data Systems & Software Inc.
                              200 Route 17
                              Mahwah, New Jersey  07430
                              Attention:  George Morgenstern, President
                              Tel:  (201)  529-2026
                              Fax: (201) 529-3163

with a copy to:               Ehrenreich Eilenberg Krause & Zivian, LLP
                              11 East 44th Street
                              New York, New York 10017
                              Tel: (212) 986-9700
                              Fax: (212) 986-2399


                                       14
<PAGE>

if to the Purchaser to:       Bounty Investors LLC
                              WEC Asset Management LLC
                              One World Trade Center, Suite 4563
                              New York, New York 10048
                              Attention: Daniel J. Saks
                              Tel: (212) 775-9299
                              Fax: (212) 775-9311

with a copy to:               Pryor Cashman Sherman & Flynn LLP
                              410 Park Avenue
                              New York, New York 10022
                              Attention: Mark Saks, Esq.
                              Tel: (212) 326-0140
                              Fax: (212) 326-0806

     The Company or the Holder may change the foregoing  address by notice given
pursuant to this Section 14.2.

     14.3.  Indemnification.  The Company  agrees to indemnify and hold harmless
Holder  from  and  against  any  liabilities,   obligations,   losses,  damages,
penalties,  actions,  judgments, suits, claims, costs, attorneys' fees, expenses
and disbursements of any kind which may be imposed upon, incurred by or asserted
against  Holder in any manner  relating  to or arising out of any failure by the
Company to perform or observe in any respect any of its  covenants,  agreements,
undertakings or obligations set forth in this Warrant.

     14.4. Remedies. Holder in addition to being entitled to exercise all rights
granted by law,  including  recovery  of  damages,  will be entitled to specific
performance  of its rights under this Warrant.  The Company agrees that monetary
damages would not be adequate  compensation for any loss incurred by reason of a
breach by it of the  provisions  of this Warrant and hereby  agrees to waive the
defense  in any action for  specific  performance  that a remedy at law would be
adequate.

     14.5. Successors and Assigns. Subject to the provisions of Sections 3.1 and
9, this  Warrant and the rights  evidenced  hereby shall inure to the benefit of
and be binding upon the successors of the Company and the successors and assigns
of Holder.  The provisions of this Warrant are intended to be for the benefit of
all Holders  from time to time of this  Warrant  and,  with respect to Section 9
hereof, holders of Warrant Stock, and shall be enforceable by any such Holder or
holder of Warrant Stock.

     14.6.  Amendment.  This  Warrant and all other  Warrants may be modified or
amended or the provisions  hereof waived only with the prior written  consent of
the Company and the Holder.

     14.7. Severability. Wherever possible, each provision of this Warrant shall
be interpreted in such manner as to be effective and valid under applicable law,
but if any  provision of this Warrant  shall be  prohibited  by or invalid under
applicable  law,  such  provision  shall be


                                       15
<PAGE>

ineffective  to  the  extent  of  such   prohibition   or  invalidity,   without
invalidating the remainder of such provision or the remaining provisions of this
Warrant.

     14.8.  Headings.  The headings used in this Warrant are for the convenience
of  reference  only and shall  not,  for any  purpose,  be deemed a part of this
Warrant.

     14.9.  Governing  Law.  This  Warrant  shall be governed by the laws of the
State of New York, without regard to the provisions thereof relating to conflict
of laws. The Company  consents to the  jurisdiction  of the federal courts whose
districts  encompass any part of the City of New York or the state courts of the
State of New York sitting in the City of New York in connection with any dispute
arising under this Warrant or any of the transactions  contemplated  hereby, and
hereby waives, to the maximum extent permitted by law, any objection,  including
any  objections  based on forum  non  conveniens,  to the  bringing  of any such
proceeding in such jurisdictions.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]


                                       16
<PAGE>

     IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed
and its corporate  seal to be impressed  hereon and attested by its Secretary or
an Assistant Secretary.

Dated: October 12, 1999

                                     DATA SYSTEMS & SOFTWARE INC.

                                     By:
                                        ------------------------------
                                          Name: George Morgenstern
                                          Title: President

Attest:

By:
   -----------------------
    Name:
    Title:


                                       17
<PAGE>

                                    EXHIBIT A

                                SUBSCRIPTION FORM

                 [To be executed only upon exercise of Warrant]

The  undersigned  registered  owner of this Warrant  irrevocably  exercises this
Warrant for the  purchase  of ______  Shares of Common  Stock of Data  Systems &
Software Inc.,  and herewith makes payment  therefor in cash or by check or bank
draft  made  payable  to the  Company,  all at the  price  and on the  terms and
conditions  specified  in this Warrant and requests  that  certificates  for the
shares of Common Stock hereby  purchased  (and any  securities or other property
issuable  upon  such  exercise)  be  issued  in the  name  of and  delivered  to
_____________ whose address is  _________________  and, if such shares of Common
Stock shall not include all of the shares of Common  Stock  issuable as provided
in this  Warrant,  that a new  Warrant of like tenor and date for the balance of
the shares of Common Stock issuable hereunder be delivered to the undersigned.


                                          -------------------------------
                                          (Name of Registered Owner)


                                          -------------------------------
                                          (Signature of Registered Owner)


                                          -------------------------------
                                          (Street Address)


                                          -------------------------------
                                          (City)     (State)   (Zip Code)

     NOTICE: The signature on this subscription must correspond with the name as
written  upon the  face of the  within  Warrant  in  every  particular,  without
alteration or enlargement or any change whatsoever.


                                       18
<PAGE>

                                    EXHIBIT B

                                 ASSIGNMENT FORM

     FOR VALUE RECEIVED the undersigned  registered owner of this Warrant hereby
sells,  assigns and transfers unto the Assignee named below all of the rights of
the  undersigned  under this  Warrant,  with  respect to the number of shares of
Common Stock set forth below:

     Name and Address of Assignee                 No. of Shares of
     ----------------------------                 ----------------
                                                  Common Stock
                                                  ------------








and does hereby  irrevocably  constitute  and appoint  _______  ________________
attorney-in-fact  to  register  such  transfer  on the  books of Data  Systems &
Software Inc.,  maintained for the purpose,  with full power of  substitution in
the premises.

     Dated:__________________         Print Name:___________________

                                      Signature:____________________

                                      Witness:______________________

     NOTICE:  The signature on this  assignment must correspond with the name as
written  upon the  face of the  within  Warrant  in  every  particular,  without
alteration or enlargement or any change whatsoever.


                                       19
<PAGE>

                                                                       EXHIBIT D

                          REGISTRATION RIGHTS AGREEMENT

     THIS  REGISTRATION  RIGHTS  AGREEMENT,  dated as of October  12, 1999 (this
"Agreement"),  is entered into by and between  DATA  SYSTEMS & SOFTWARE  INC., a
Delaware  corporation  (the  "Company")  and  BOUNTY  INVESTORS  LLC, a Delaware
limited liability company (the "Purchaser").

                              W I T N E S S E T H:

     WHEREAS,  pursuant to a Securities Purchase Agreement,  dated as of October
12, 1999, by and between the Purchaser and the Company (the "Securities Purchase
Agreement"),  the  Company  has  agreed  to  issue  and  sell  to the  Purchaser
$2,000,000 principal amount of the Company's 0% Convertible  Debentures due 2001
(the  "Debentures") and three year Warrants to purchase 100,000 shares of Common
Stock  of  the  Company  (the  "Warrants";   the  Debentures  and  the  Warrants
collectively, the "Securities");

     WHEREAS, pursuant to the terms of the Debentures and the Warrants, (i) upon
the  conversion of the  Debentures  and (ii) upon exercise of the Warrants,  the
Company  will issue shares of the  Company's  common  stock,  par value $.01 per
share (the "Common Stock") (the shares of Common Stock issued or issuable to the
Purchaser upon the  conversion  the  Debentures  and/or upon the exercise of the
Warrants are collectively  referred to herein as the "Shares") to the Purchaser;
and

     WHEREAS,  to induce the  Purchaser  to execute and  deliver the  Securities
Purchase  Agreement,  the  Company  has agreed to provide  certain  registration
rights under the Securities Act of 1933, as amended (the "Securities  Act"), and
applicable state securities laws.

     NOW,  THEREFORE,  in consideration of the premises and the mutual covenants
contained  herein and other good and  valuable  consideration,  the  receipt and
sufficiency  of which are hereby  acknowledged,  the Company  and the  Purchaser
hereby agree as follows:

1. Definitions.

     (a) As used in this Agreement, the following terms shall have the following
meanings:

     (i) "Minimum  Conversion Shares" on any date means a number of shares equal
to at least the sum of: (x) two (2) times the  number of shares of Common  Stock
that are issuable upon conversion of the Debentures on such date, without regard
to any limitation on any holder's  ability to convert the Debentures and (y) the
number of shares of Common Stock issuable upon exercise of the Warrants.

<PAGE>

     (ii) "Register,"  "Registered," and "Registration"  refer to a registration
effected  by  preparing  and  filing  one  or  more  Registration  Statement  or
Statements in compliance  with the Securities Act and pursuant to Rule 415 under
the Securities Act or any successor rule providing for offering  securities on a
continuous  basis ("Rule 415"), and the declaration or ordering of effectiveness
of such  Registration  Statement by the Securities and Exchange  Commission (the
"Commission").

     (iii) "Registrable  Securities" means the Shares;  provided that any Shares
shall cease to be  Registrable  Securities  when sold pursuant to a Registration
Statement or pursuant to Rule 144 under the Securities Act..

     (iv) "Registration Statement" means a registration statement of the Company
under the Securities Act.

     Capitalized  terms used herein and not otherwise  defined herein shall have
the meanings set forth in the Securities Purchase  Agreement,  the Debentures or
the Warrants, as the case may be.

2. Registration.

     (a)  Mandatory  Registration.  The Company  shall  prepare  and, as soon as
practicable  but in no event later than thirty (30) days after the Closing  Date
(the "Required Filing Date"), file with the Commission a Registration  Statement
on Form S-3, or an amendment to any pending  Registration  Statement on Form S-3
of the Company,  covering resales of (a) the Common Stock issuable upon exercise
of the Warrants and (b) the Minimum Conversion Shares on the filing date. In the
event that Form S-3 is unavailable  for such a  registration,  the Company shall
use such other form as is available for such a registration.  Such  Registration
Statement  or amended  Registration  Statement,  as the case may be, shall state
that, in accordance  with Rule 416 under the Securities Act, it also covers such
indeterminate number of additional Shares as may become issuable upon conversion
of the Debentures and exercise of the Warrants (i) to prevent dilution resulting
from stock  splits,  stock  dividends  or similar  transactions  and (ii) to the
extent  consistent  with the  interpretations  of the Commission of such rule at
such time,  resulting from any adjustment in the applicable  Conversion Price of
such  Debentures or the Current  Warrant Price of such Warrants.  If on any date
the Minimum  Conversion  Shares exceed the total number of Shares so registered,
the  Company  shall (i) if such  Registration  Statement  has not been  declared
effective by the Commission at that time, amend the Registration Statement filed
by the Company pursuant to the preceding portions of this paragraph, to register
all of such Minimum  Conversion  Shares, or (ii) if such Registration  Statement
has been  declared  effective  by the  Commission  at that  time,  file with the
Commission  an additional  Registration  Statement on S-3 (or, in the event that
Form  S-3 is  unavailable  for such a  registration,  on such  other  form as is
available)  to  register  all of such  Minimum  Conversion  Shares that have not
already been so registered.  The Company shall use its best efforts to cause any
such Registration Statement or amended Registration  Statement,  as the case may
be, to become  effective  within the  earliest  to occur of (i) ninety (90) days
following  the  Closing  Date;  (ii) if the  Commission  elects not to conduct a
review of the Registration Statement,  the date which is eight (8) business days
after the date upon which  either the  Company  or its  counsel is so  notified,
whether orally or in writing; or


                                       2
<PAGE>

(iii) if the Registration  Statement is reviewed by the Commission,  the earlier
of (x) one hundred  twenty (120) days following the Closing Date or (y) the date
which is five (5)  business  days after the date upon  which the  Company or its
counsel is notified by the  Commission,  whether orally or in writing,  that the
Commission has no further comments with respect to the  Registration  Statement,
or that the Registration  Statement may be declared  effective.  The earliest of
such  dates  is  referred   to  herein  as  the   "Required   Effective   Date."
Notwithstanding  the use of the  terms  "Required  Filing  Date"  and  "Required
Effective  Date" herein,  the Company shall at all times use its best efforts to
file  each  required  Registration  Statement  or  amendment  to a  Registration
Statement  as soon as  possible  after  the  Closing  Date or after the date the
Company becomes obligated to file such Registration  Statement or amendment,  as
the case may be, and to cause each such  Registration  Statement or amendment to
become  effective as soon as possible  thereafter.  No securities of the Company
other than the Registrable Securities shall be included in any such Registration
Statement  (except for the (x) the 250,000 shares of Common Stock underlying the
warrants  issued to Bank Leumi USA and Bank  Leumi  le-Israel  B.M.  and (y) the
20,000 shares of Common Stock  underlying the warrants  issued to the Finder (as
defined in the  Securities  Purchase  Agreement)).  The Company  shall keep each
Registration  Statement  effective  pursuant to Rule 415 at all times until such
date  as is  the  earlier  of (i)  the  date  on  which  all of the  Registrable
Securities have been sold and (ii) the date on which the Registrable  Securities
(in the opinion of counsel to the  Purchaser)  may be  immediately  sold without
restriction  (including  without limitation as to volume by each holder thereof)
without registration under the Securities Act (the "Registration Period").

     (b) Payments by the Company.

     (i) (A) If the Registration  Statement covering the Registrable  Securities
is not filed in  proper  form with the  Commission  on or prior to the  Required
Filing  Date,  (B)  if  the  Registration  Statement  covering  the  Registrable
Securities is not effective on or prior to the Required  Effective  Date, (C) if
the number of Shares  qualified  for  trading on the NASDAQ  National  Market or
reserved by the Company for issuance shall be insufficient for issuance upon the
conversion of the  outstanding  Debentures and the exercise of the Warrants,  or
(D) upon the  occurrence  of a Blackout  Event (as  described in Section 3(f) or
Section 3(g) below) (each of the events  described in clauses (A) through (D) of
this paragraph are referred to herein as a "Registration  Default"), the Company
will make  payments to the  Purchaser in such amounts and at such times as shall
be determined pursuant to this Section 2(b).

     (ii) The amount  (the  "Periodic  Amount") to be paid by the Company to the
Purchaser for each thirty (30) day period,  or portion  thereof,  during which a
Registration  Default shall be in effect (each such period, a "Default  Period")
shall be equal to two  percent  (2%) of the sum of (a) the  principal  amount of
Debentures outstanding and (b) the principal amount of Debentures converted into
shares of Common  Stock  (except  for  shares  sold  pursuant  to Rule 144) (the
"Purchase Price"); provided, with respect to any Default Period during which the
relevant  Registration Defaults shall have been cured, the Periodic Amount shall
be pro  rated  for the  number  of days  during  such  period  during  which the
Registration  Defaults were pending;  and provided further,  that the payment of
such  Periodic  Amounts  shall  not  relieve  the  Company  from its  continuing
obligations to register the Registrable Securities pursuant to Section 2(a).


                                       3
<PAGE>

     (iii) Each  Periodic  Amount  shall be payable by the  Company,  in cash or
other  immediately  available  funds,  to the  Purchaser on the last day of each
month during which a Registration  Default  occurred or was continuing,  without
demand  therefor by the  Purchaser.  If the Company shall not remit the Periodic
Amounts  payable to the  Purchaser  as set forth in  paragraph  (ii) above,  the
Company  will  pay the  Purchaser  reasonable  costs  of  collection,  including
attorneys' fees, in addition to the Periodic Amounts.

     (iv) The parties  acknowledge that the damages which may be incurred by the
Purchaser if the  Registration  Statement  is not filed by the  Required  Filing
Date,  if the  Registration  Statement  has not been  declared  effective by the
Required  Effective  Date, if an  insufficient  number of shares of Common Stock
shall be qualified for trading or reserved for issuance, or if the provisions of
Section  3(f) or 3(g) become  applicable,  may be difficult  to  ascertain.  The
parties agree that the Periodic Amount  represents a reasonable  estimate on the
part of the  parties,  as of the date of this  Agreement,  of the amount of such
damages.

     (c) Piggyback  Registration.  (i) If at any time or from time to time,  the
Company shall determine to register any of its  securities,  for its own account
or the account of any of its shareholders,  other than a Registration  Statement
relating  solely to employee  share option  plans or pursuant to an  acquisition
transaction on Form S-4 (a "Piggyback Registration"), the Company will:

          (A)  provide  to the  Purchaser  written  notice  thereof  as  soon as
          practicable prior to filing the Registration Statement; and

          (B) include in such  Registration  Statement  and in any  underwriting
          involved  therein,  all of the Registrable  Securities  specified in a
          written  request by the Purchaser  made within fifteen (15) days after
          receipt of such written notice from the Company.

     (ii) If the Registration is for a registered  public offering  involving an
underwriting, the Company shall so advise the Purchaser as a part of the written
notice  given  pursuant  to this  Section.  In such  event,  the  rights  of the
Purchaser  hereunder shall include  participation  in such  underwriting and the
inclusion  of the  Registrable  Securities  in the  underwriting  to the  extent
provided  herein.  To the extent that the Purchaser  proposes to distribute  its
securities  through such  underwriting,  the Purchaser  shall (together with the
Company  and  any  other  securityholders  of  the  Company  distributing  their
securities  through such underwriting)  enter into an underwriting  agreement in
customary  form  with  the  underwriter  or   underwriters   selected  for  such
underwriting  by the  Company.  Notwithstanding  any  other  provision  of  this
Section,  if the  managing  underwriter  of such  underwriting  determines  that
marketing  factors require a limitation of the number of shares to be offered in
connection with such underwriting, the managing underwriter may limit the number
of Registrable  Securities to be included in the  Registration  and underwriting
(provided,  however,  that (a) the Registrable  Securities shall not be excluded
from such underwritten offering prior to the exclusion of any securities held by
officers and directors of the Company or their  affiliates,  (b) the Registrable
Securities  shall be entitled to at least the same  priority in an  underwritten
offering as any  securities  included in such  offering by any of the  Company's
other existing securityholders, and


                                       4
<PAGE>

(c) the  Company  shall not enter  into any  agreement  that would  provide  any
securityholder with priority in connection with an underwritten offering greater
than the priority  granted to the  Purchaser  hereunder).  The Company  shall so
advise any of its other  securityholders  who are distributing  their securities
through such underwriting  pursuant to their respective  piggyback  registration
rights, and the number of shares of Registrable  Securities and other securities
that may be included in the  registration  and  underwriting  shall be allocated
among the Purchaser and all other  securityholders of the Company in proportion,
as nearly as practicable,  to the respective  amounts of Registrable  Securities
held by the Purchaser and such other  securityholders  at the time of the filing
of the registration  statement. If the Purchaser disapproves of the terms of any
such  underwriting,  it may elect to withdraw therefrom by written notice to the
Company.  Any  Registrable   Securities  so  excluded  or  withdrawn  from  such
underwriting shall be withdrawn from such Registration.

     (d) Eligibility  for Form S-3. The Company  represents and warrants that it
meets all of the  requirements  for the use of Form S-3 for the  Registration of
the sale by the Purchaser  and any  transferee  who  purchases  the  Registrable
Securities,  and the Company shall file all reports  required to be filed by the
Company  with the  Commission  in a timely  manner,  and shall  take such  other
actions as may be necessary  to maintain  such  eligibility  for the use of Form
S-3.

     (e) Priority in Filing. The Company covenants that beginning on the Closing
Date and ending on the date that is one hundred and eighty  (180) days after the
Registration  Statement filed pursuant to Section 2(a) of this Agreement becomes
effective  (provided  that if,  after the  effective  date of such  Registration
Statement, the Purchaser shall be unable to sell Registrable Securities pursuant
to such  Registration  Statement for any number of days,  the provisions of this
Section 2(e) shall apply for an additional number of days equal to the number of
days  during  which  any  Purchaser  is unable  to sell  Registrable  Securities
pursuant  to such  Registration  Statement),  the  Company  will  not  file  any
Registration Statement,  other than a Registration Statement required by Section
2(a) hereof, without the written consent of the Purchaser.

3. Obligations of the Company.

     In connection  with the  registration of the  Registrable  Securities,  the
Company shall do each of the following:

     (a)  Prepare  and file  with the  Commission  the  Registration  Statements
required  by  Section  2  of  this  Agreement  and  such  amendments  (including
post-effective  amendments) and supplements to the  Registration  Statements and
the prospectuses used in connection with such Registration  Statements,  each in
such form as to which the Purchaser and its counsel shall not have objected,  as
may be  necessary  to keep the  Registration  Statements  effective at all times
during the Registration Period, and, during the Registration Period, comply with
the provisions of the  Securities Act with respect to the  disposition of all of
the Registrable Securities of the Company covered by the Registration Statements
until such time as all of such  Registrable  Securities have been disposed of in
accordance  with the intended  methods of  disposition  by the seller or sellers
thereof as set forth in the Registration Statements;

     (b)  Furnish  to the  Purchaser  and its legal  counsel  identified  to the
Company,  promptly  after the same is prepared and publicly  distributed,  filed
with the Commission, or


                                       5
<PAGE>

received by the Company, a copy of the Registration Statement,  each preliminary
prospectus,  each final prospectus,  and all amendments and supplements  thereto
and such other  documents,  as the Purchaser may reasonably  request in order to
facilitate the disposition of its Registrable Securities;

     (c) Furnish to the Purchaser and its counsel  copies of any  correspondence
between  the  Company  and  the  Commission  with  respect  to any  Registration
Statement or amendment or supplement thereto filed pursuant to this Agreement;

     (d) Use all reasonable  efforts to (i) register and qualify the Registrable
Securities covered by the Registration Statements under such other securities or
blue sky laws of such  jurisdictions  as the Purchaser may  reasonably  request,
(ii)  prepare  and  file  in  those  jurisdictions  such  amendments  (including
post-effective   amendments)   and   supplements  to  such   registrations   and
qualifications as may be necessary to maintain the effectiveness  thereof at all
times during the  Registration  Period,  (iii) take such other actions as may be
necessary to maintain such  registrations  and  qualifications  in effect at all
times during the Registration  Period and (iv) take all other actions reasonably
necessary or advisable to qualify the  Registrable  Securities  for sale in such
jurisdictions,  provided that in connection therewith,  the Company shall not be
required to qualify as a foreign corporation or to file a general consent to the
service of process in any jurisdiction;

     (e) Qualify such  securities for trading on the NASDAQ  National Market and
list such securities on all the other national securities exchanges on which any
securities of the Company are then listed,  and file any filings required by the
NASDAQ National Market and/or such other exchanges;

     (f) As promptly as practicable  after  becoming  aware thereof,  notify the
Purchaser  of  any  need  to  suspend  use  of the  prospectus  included  in the
Registration  Statement,  including any suspension resulting form the occurrence
of any event,  which  renders such  prospectus  misleading,  and to use its best
efforts to promptly  prepare a  supplement  or  amendment  to such  Registration
Statement  or  other  appropriate  filing  with  the  Commission  to  allow  the
resumption of the use of such  prospectus,  and to deliver a number of copies of
such  supplement or amendment to the  Purchaser as the Purchaser may  reasonably
request;

     (g) As promptly as practicable  after becoming aware of such event,  notify
the  Purchaser  (or,  in the event of an  underwritten  offering,  the  managing
underwriters)  of the  issuance  by the  Commission  of any stop  order or other
suspension of the  effectiveness of any  Registration  Statement at the earliest
possible time, and to use its best efforts to promptly  obtain the withdrawal of
such stop order or other suspension of  effectiveness  (the occurrence of any of
the events  described in paragraphs (f) and (g) of this Section 3 is referred to
herein as a "Blackout Event");

     (h) During  the period  commencing  upon (i) the  Purchaser's  receipt of a
notification pursuant to Section 3(f) above or (ii) the entry of a stop order or
other suspension of the effectiveness of the Registration Statement described in
Section  3(g)  above,  and  ending at such time as (x) the  Company  shall  have
completed the  applicable  filings (and if  applicable,  such filings shall have
been declared effective) and shall have delivered to the Purchaser the


                                       6
<PAGE>

documents  required  pursuant  to  Section  3(f) above or (y) such stop order or
other suspension of the  effectiveness of the Registration  Statement shall have
been removed,  the Company shall be liable to remit the payments  required to be
paid to the Purchaser pursuant to Section 2(b) above;

     (i)  Suspend  the  use  of any  prospectus  used  in  connection  with  any
Registration Statement only in the event, and for such period of time as, such a
suspension is required by the rules and regulations of the Commission;

     (j) Enter into such customary agreements for secondary offerings (including
a customary underwriting agreement with the underwriter or underwriters, if any)
and take  all such  other  actions  reasonably  requested  by the  Purchaser  in
connection  therewith in order to expedite or facilitate the disposition of such
Registrable Securities. Whether or not an underwriting agreement is entered into
and whether or not the Registrable  Securities are to be sold in an underwritten
offering the Company shall:

          (i) make such  representations and warranties to the Purchaser and the
     underwriter or  underwriters,  if any, in form,  substance and scope as are
     customarily  made by issuers to selling  stockholders  and  underwriters in
     secondary offerings;

          (ii) cause to be  delivered to the sellers of  Registrable  Securities
     and the  underwriter  or  underwriters,  if any,  opinions  of  independent
     counsel to the Company  (which  counsel and  opinions  shall be  reasonably
     satisfactory   in  form,   scope  and   substance  to  Purchaser   and  the
     underwriter(s),  if any,  and  their  counsel),  (A) on and dated as of the
     effective day of the applicable  Registration Statement (and in the case of
     an  underwritten  offering,  dated the date of delivery of any  Registrable
     Securities  sold  pursuant  thereto)  stating  that (x)  such  Registration
     Statement  complies in all material  respects with the  requirements of the
     Securities Act and the rules and regulations of the Commission  thereunder,
     (y) such  Registration  Statement does not contain an untrue statement of a
     material  fact or omit to  state a  material  fact  required  to be  stated
     therein or necessary to make the statements therein not misleading, and (z)
     the documents incorporated by reference in the prospectus accompanying such
     Registration  Statement, at the time they were filed with the Commission or
     as amended,  complied in all material respects with the requirements of the
     Securities  Exchange Act of 1934, as amended (the  "Exchange  Act") and the
     rules and  regulations  thereunder  and,  when read together with the other
     information  in such  prospectus,  do not include an untrue  statement of a
     material  fact or omit to  state a  material  fact  required  to be  stated
     therein or necessary to make the statements therein not misleading, and (B)
     within  fifteen  (15) days  following  the filing of the  Company's  Annual
     Report  on Form  10-K  for each  fiscal  year  thereafter,  an  opinion  of
     independent  counsel to the Company,  updating  the opinion  referred to in
     clause (A) of this paragraph;

          (iii) cause to be delivered, immediately prior to the effectiveness of
     the applicable  Registration Statement (and, in the case of an underwritten
     offering,  at the  time of  delivery  of any  Registrable  Securities  sold
     pursuant  thereto),  and at the  beginning of each fiscal year  following a
     year during which the Company's  independent  certified public  accountants
     shall have  reviewed  any of the  Company's  books or records, a


                                       7
<PAGE>

     "comfort"   letter  from  the  Company's   independent   certified   public
     accountants  addressed  to the  Purchaser  and  each  underwriter,  if any,
     stating that such accountants are independent public accountants within the
     meaning  of the  Securities  Act and the  applicable  published  rules  and
     regulations  thereunder,  and otherwise in customary form and covering such
     financial and accounting  matters as are customarily  covered by letters of
     the independent  certified public accountants  delivered in connection with
     secondary  offerings;  such accountants  shall have undertaken in each such
     letter to update the same  during each such fiscal year in which such books
     or  records  are  being  reviewed  so that each such  letter  shall  remain
     current,  correct and complete  throughout  such fiscal year; and each such
     letter and update thereof, if any, shall be reasonably  satisfactory to the
     Purchaser;

          (iv) if an  underwriting  agreement  is entered  into,  the same shall
     include customary  indemnification and contribution  provisions to and from
     the underwriters and procedures for secondary underwritten offerings;

          (v) deliver  such  documents  and  certificates  as may be  reasonably
     requested by any purchaser of the Registrable  Securities being sold or the
     managing  underwriter or underwriters,  if any, to evidence compliance with
     clause  (i)  above  and  with any  customary  conditions  contained  in the
     underwriting agreement, if any; and

          (vi)  deliver to  Purchaser  on the  effective  day of the  applicable
     Registration  Statement (and, in the case of an underwritten  offering,  on
     the date of delivery of any Registrable  Securities sold pursuant thereto),
     and at the beginning of each fiscal  quarter  thereafter,  a certificate in
     form and  substance  as  shall be  reasonably  satisfactory  to  Purchaser,
     executed by an executive  officer of the Company and to the effect that all
     the  representations  and  warranties  of  the  Company  contained  in  the
     Securities  Purchase  Agreement  are  still  true  and  correct  except  as
     disclosed  in  such  certificate;  the  Company  shall,  as  to  each  such
     certificate  delivered at the beginning of each fiscal  quarter,  update or
     cause to be updated  each such  certificate  during such quarter so that it
     shall remain current,  complete and correct  throughout  such quarter;  and
     such updates received by Purchaser during such quarter,  if any, shall have
     been reasonably satisfactory to Purchaser.

     (k) Make available for inspection by Purchaser, its representative(s),  any
underwriter   participating  in  any  disposition  pursuant  to  a  Registration
Statement,  and  any  attorney  or  accountant  retained  by  the  Purchaser  or
underwriter,   all  financial  and  other  records  customary  for  purposes  of
Purchaser's  and  underwriters'  due  diligence  examination  of the Company and
review of any  Registration  Statement,  all  filings  made with the  Commission
subsequent to the Closing,  pertinent  corporate documents and properties of the
Company, and cause the Company's officers, directors and employees to supply all
information  reasonably  requested  by  any  such  representative,  underwriter,
attorney or accountant in connection with such Registration Statement,  provided
that such parties agree to keep such information confidential;


                                       8
<PAGE>

     (l) Cooperate with the Purchaser to facilitate the timely  preparation  and
delivery of certificates  for the Registrable  Securities to be offered pursuant
to  any  Registration   Statement  and  to  enable  such  certificates  for  the
Registrable  Securities to be in such denominations or amounts,  as the case may
be, as the Purchaser may reasonably request, and registered in such names as the
Purchaser may request;  and, within three (3) business days after a Registration
Statement  which  includes  Registrable  Securities is ordered  effective by the
Commission, the Company shall deliver, and shall cause legal counsel selected by
the Company to deliver,  to the transfer  agent for the  Registrable  Securities
(with copies to the  Purchaser) an appropriate  instruction  and opinion of such
counsel; and

     (m) Permit  counsel to Purchaser to review the  Registration  Statement and
all amendments and supplements  thereto within a reasonable  period of time (but
not less than five (5) business  days) prior to each filing,  and to incorporate
those  changes,  if provided to the Company or its counsel  within such five (5)
business day period, suggested by such counsel.

     (n)  Notwithstanding  any other  provision in this  Agreement,  the Company
shall  have no  obligation  to  participate  in any manner  (including,  without
limitation,   by  the  signing  of  an  underwriting   agreement,   delivery  of
indemnification agreements,  delivery of comfort letters, payment of expenses or
otherwise) in an underwritten resale of the Shares,  except in connection with a
Piggyback Registration.

4. Obligations of the Purchaser.

     In connection  with the  registration of the  Registrable  Securities,  the
Purchaser shall have the following obligations:

     (a)  Furnish  to  the  Company  such  information   regarding  itself,  the
Registrable Securities held by it, and the intended method of disposition of the
Registrable Securities held by it, as shall be reasonably required to effect the
registration of such Registrable  Securities.  The intended method or methods of
disposition and/or sale (Plan of Distribution) of the Registrable  Securities as
so provided by the participating  Purchaser shall be included without alteration
in any Registration  Statement covering the Registrable Securities and shall not
be changed without written consent of the Purchaser.  At least five (5) business
days prior to the first anticipated  filing date of any Registration  Statement,
the Company shall notify the Purchaser of the information  the Company  requires
from the  Purchaser  if the  Purchaser  elects  to have  any of its  Registrable
Securities included in such Registration Statement; and

     (b) The Purchaser  agrees that, upon receipt of any notice from the Company
of the happening of any Blackout  Event of the kind described in Section 3(f) or
3(g) above,  it will  immediately  discontinue  disposition  of its  Registrable
Securities  pursuant to the  Registration  Statement  covering such  Registrable
Securities  until  such  copies  of  the  supplemented  or  amended   prospectus
contemplated by Section 3(f) or 3(g) shall be furnished to the Purchaser.

5. Expenses of Registration.

     Other than underwriting discounts and commissions, all expenses incurred in
connection  with  registrations,  filings  or  qualifications  pursuant  to this
Agreement,  including,  without


                                       9
<PAGE>

limitation,  all registration,  listing,  and qualification  fees,  printing and
accounting fees, and the fees and disbursements of counsel for the Company,  and
the fees of one  counsel to the  Purchaser  with  respect  to each  Registration
Statement filed pursuant hereto, shall be borne by the Company.

6. Indemnification.

     In the event any  Registrable  Securities  are  included in a  Registration
Statement under this Agreement:

     (a) The Company will indemnify and hold harmless the Purchaser, each of its
officers,  directors  and  partners,  and each person,  if any, who controls the
Purchaser within the meaning of the Securities Act or the Exchange Act (each, an
"Indemnified  Person"),  against any losses,  claims,  damages,  liabilities  or
expenses (joint or several)  incurred  (collectively,  "Claims") to which any of
them may become subject under the Securities Act, the Exchange Act or otherwise,
insofar  as such  Claims  (or  actions  or  proceedings,  whether  commenced  or
threatened,  in respect  thereof) arise out of or are based upon: (i) any untrue
or alleged  untrue  statement of a material fact  contained in the  Registration
Statement  or any  post-effective  amendment  thereof or the omission or alleged
omission  to state  therein a material  fact  required  to be stated  therein or
necessary in order to make the statements therein, in light of the circumstances
in which they were made, not misleading, (ii) any untrue or alleged statement of
a material  fact  contained in any  preliminary  prospectus if used prior to the
effective  date  of such  Registration  Statement,  or  contained  in the  final
prospectus  (as  amended or  supplemented,  if the Company  files any  amendment
thereof or supplement  thereto with the  Commission)  or the omission or alleged
omission  to state  therein any  material  fact  necessary  in order to make the
statements  made therein,  in light of the  circumstances  under which they were
made, not misleading, or (iii) any violation or alleged violation by the Company
of the Securities Act, the Exchange Act, any state or foreign  securities law or
any rule or regulation  under the Securities  Act, the Exchange Act or any state
or foreign  securities  law (the matters in foregoing  clauses (i) through (iii)
being, collectively, "Violations"). The Company shall, subject to the provisions
of Section 6(b) below,  reimburse each Purchaser,  promptly as such expenses are
incurred  and are due and payable,  for any legal and other costs,  expenses and
disbursements  in giving  testimony  or  furnishing  documents  in response to a
subpoena or otherwise,  including without  limitation,  the costs,  expenses and
disbursements,  as and when incurred,  of investigating,  preparing or defending
any such action, suit, proceeding or investigation (whether or not in connection
with litigation in which the Purchaser is a party), incurred by it in connection
with the investigation or defense of any such Claim. Notwithstanding anything to
the contrary contained herein, the  indemnification  agreement contained in this
Section  6(a)  shall not (i) apply to any Claim  arising  out of or based upon a
Violation  which  occurs in reliance  upon and in  conformity  with  information
furnished  in writing to the Company by or on behalf of any  Indemnified  Person
expressly  for  use in  connection  with  the  preparation  of the  Registration
Statement or any such amendment thereof supplement thereto; (ii) with respect to
any  preliminary  prospectus,  inure to the benefit of any such person from whom
the person  asserting any such Claim purchased the  Registrable  Securities that
are the  subject  thereof  (or to the  benefit  of any person  controlling  such
person) if the untrue  statement or omission of material  fact  contained in the
preliminary prospectus was corrected in the final prospectus, as then amended or
supplemented, if such final prospectus was


                                       10
<PAGE>

timely made available by the Company  pursuant to Section 3(b) hereof;  (iii) be
available to the extent that such Claim is based upon a failure of the Purchaser
to deliver or to cause to be  delivered  the  prospectus  made  available by the
Company, if such prospectus was timely made available by the Company pursuant to
Section 3(b) hereof; or (iv) apply to amounts paid in settlement of any Claim if
such  settlement is effected  without the prior written  consent of the Company,
which consent shall not be unreasonably withheld. Such indemnity shall remain in
full force and effect  regardless of any  investigation  made by or on behalf of
the  Indemnified  Person  and shall  survive  the  transfer  of the  Registrable
Securities by the Purchaser  pursuant to Section 9. The Purchaser will indemnify
the Company and its officers and directors  against any Claims arising out of or
based upon a Violation  which  occurs in reliance  upon and in  conformity  with
information  furnished  in  writing  to  the  Company,  by or on  behalf  of the
Purchaser,  expressly  for  use  in  connection  with  the  preparation  of  the
Registration  Statement,  subject  to such  limitations  and  conditions  as are
applicable to the Indemnification provided by the Company in this Section 6.

     (b) Promptly after receipt by an Indemnified Person under this Section 6 of
notice of the commencement of any action  (including any  governmental  action),
such  Indemnified  Person  shall,  if a Claim in  respect  thereof is to be made
against any indemnifying party under this Section 6, deliver to the indemnifying
party a written notice of the commencement  thereof,  and the indemnifying party
shall have the right to participate in, and to the extent that the  indemnifying
party so desires,  jointly with any other indemnifying party similarly notified,
to assume control of the defense thereof with counsel  mutually  satisfactory to
the indemnifying party and the Indemnified Person;  provided,  however,  that an
Indemnified  Person  shall  have the right to retain  its own  counsel  with the
reasonable fees and expenses to be paid by the  indemnifying  party,  if, in the
reasonable   opinion  of  counsel  retained  by  the  indemnifying   party,  the
representation  by such counsel of the Indemnified  Person and the  indemnifying
party would be  inappropriate  due to actual or  potential  differing  interests
between such Indemnified  Person and any other party represented by such counsel
in such  proceeding.  In such event, the Company shall pay for only one separate
legal counsel for the Purchaser, and such legal counsel shall be selected by the
Purchaser. The failure to deliver written notice to an indemnifying party within
a reasonable  time after the  commencement  of any such action shall not relieve
such  indemnifying  party of any liability to the Indemnified  Person under this
Section  6,  except to the  extent  that the  indemnifying  party is  materially
prejudiced in its ability to defend such action. The indemnification required by
this Section 6 shall be made by periodic  payments of the amount  thereof during
the course of the  investigation or defense,  as such expense,  loss,  damage or
liability is incurred and is due and payable.

     (c) No indemnifying  party, in the defense of any such claim or litigation,
shall,  except with the consent of each Indemnified  Party,  consent to entry of
any  judgment  or enter  into  any  settlement  which  does  not  include  as an
unconditional  term  thereof  the giving by the  claimant or  plaintiff  to such
Indemnified  Person  of  an  unconditional  and  irrevocable  release  from  all
liability in respect of such claim or litigation.

     (d)  Notwithstanding  the  foregoing,  to the  extent  that any  provisions
relating  to  indemnification  or  contribution  contained  in the  underwriting
agreements entered into among the Company, the underwriters and the Purchaser in
connection with an underwritten public offering


                                       11
<PAGE>

are  in  conflict  with  the  foregoing  provisions,   the  provisions  in  such
underwriting  agreements  shall be controlling as to the Registrable  Securities
included in the public offering; provided, however, that if, as a result of this
Section 6(d), any Purchaser, its officers,  directors,  partners, members or any
person  controlling  such  Purchaser  is or are held liable with  respect to any
Claim for which they would be entitled to indemnification hereunder but for this
Section 6(d) in an amount which exceeds the aggregate  proceeds received by such
Purchaser  from the sale of  Registrable  Securities  included in a registration
pursuant to such underwriting  agreement (the "Excess  Liability"),  the Company
shall reimburse such Purchaser for such Excess Liability.

7 Contribution.

     To the extent any indemnification by an indemnifying party is prohibited or
limited under applicable law, the indemnifying party agrees to contribute to the
amount  paid or  payable  by such  indemnified  party as a result of such  loss,
claim,  damage,  liability or expense in such  proportion as is  appropriate  to
reflect the  relative  fault of the  indemnifying  party on the one hand and the
Indemnified  Person on the  other  hand in  connection  with the  statements  or
omissions which resulted in such Claim, as well as any other relevant  equitable
considerations. The relative fault of the indemnifying party and the Indemnified
Person shall be  determined  by reference  to, among other  things,  whether the
untrue  statement of a material fact or the omission to state a material fact on
which such Claim is based relates to  information  supplied by the  indemnifying
party or by the Indemnified Person, and the parties' relative intent, knowledge,
access to  information  and  opportunity to correct or prevent such statement or
omission.  Notwithstanding the forgoing, (a) no seller of Registrable Securities
guilty of fraudulent  misrepresentation  (within the meaning of Section 11(f) of
the  Securities  Act)  shall be  entitled  to  contribution  from any  seller of
Registrable  Securities who was not guilty of such fraudulent  misrepresentation
and (b) contribution by any seller of Registrable Securities shall be limited in
amount  to the net  proceeds  received  by such  seller  from  the  sale of such
Registrable Securities. The Company and the Purchaser agree that it would not be
just and equitable if contribution pursuant to this Section 7 were determined by
pro rata  allocation  (even if the Purchaser and any other party were treated as
one entity for such purpose) or by any other method of allocation  that does not
take account of the equitable considerations referred to in this Section.

8 Reports Under Exchange Act.

     With a view to making  available to the  Purchaser the benefits of Rule 144
promulgated  under the Securities Act or any other similar rule or regulation of
the Commission  that may at any time permit the Purchaser to sell  securities of
the Company to the public without  registration ("Rule 144"), the Company agrees
to:

     (i)  make  and keep  public  information  available,  as  those  terms  are
understood and defined in Rule 144;

     (ii) file with the  Commission  in a timely  manner all  reports  and other
documents required of the Company under the Securities Act and the Exchange Act;
and

     (iii) furnish to the Purchaser,  so long as the Purchaser owns  Registrable
Securities,  promptly upon request,  (i) a written statement by the Company that
it has complied


                                       12
<PAGE>

with the reporting requirements of the Securities Act and the Exchange Act, (ii)
a copy of the most  recent  annual or  periodic  report of the  Company and such
other  reports  and  documents  so filed by the  Company  and (iii)  such  other
information as may be reasonably requested to permit such Purchaser to sell such
securities pursuant to Rule 144 without registration.

9 Assignment of the Registration Rights.

     The rights to have the Company register Registrable  Securities pursuant to
this  Agreement  shall  be  automatically  assigned  by  any  Purchaser  to  any
transferee  of all or any  portion  of the  Securities  or  Shares  held by such
Purchaser  if: (a) such  Purchaser  agrees in  writing  with the  transferee  or
assignee to assign such rights, and a copy of such agreement is furnished to the
Company  within a  reasonable  time after such  assignment;  (b) the Company is,
within a  reasonable  time after such  transfer or  assignment,  furnished  with
written  notice of (i) the name and address of such  transferee  or assignee and
(ii) the Securities or Shares with respect to which such registration rights are
being  transferred or assigned;  (c) at or before the time the Company  receives
the written notice  contemplated by clause (b) of this sentence,  the transferee
or  assignee  agrees  in  writing  with  the  Company  to be bound by all of the
provisions  contained herein; and (d) the transferee of the relevant  Securities
or Shares complies with the restrictions on the Purchaser set forth in Section 4
of the Securities Purchase Agreement.

10 Amendment of Registration Rights.

     Any provision of this Agreement may be amended and the  observance  thereof
may  be  waived  (either  generally  or  in a  particular  instance  and  either
retroactively  or  prospectively),  only with the written consent of the Company
and  holders  of 75% of the  Registrable  Securities  from  time  to  time.  Any
amendment or waiver effected in accordance with this Section 10 shall be binding
upon the Purchaser and the Company.

11 Miscellaneous.

     (a) A person or entity is deemed to be a holder of  Registrable  Securities
whenever such person or entity owns of record such  Registrable  Securities.  If
the Company receives conflicting instructions,  notices or elections from two or
more persons or entities with respect to the same  Registrable  Securities,  the
Company  shall  act  upon the  basis of the  instructions,  notice  or  election
received from the registered owner of such Registrable Securities.

     (b) Any notice  required or permitted  hereunder  shall be given in writing
(unless  otherwise  specified  herein)  and  shall be  effective  upon  personal
delivery,   via   facsimile   (upon  receipt  of   confirmation   of  error-free
transmission)  or two  business  days  following  deposit of such notice with an
internationally  recognized courier service,  with postage prepaid and addressed
to each of the other parties thereunto entitled at the following  addresses,  or
at such other  addresses as a party may  designate by five days advance  written
notice to each of the other parties hereto.


                                       13
<PAGE>

Company:            Data Systems & Software Inc.
                    200 Route 17
                    Mahwah, New Jersey 07430
                    Attention: George Morgenstern,
                    President
                    Tel: (201) 529-2026
                    Fax: (201) 529-3163

                    With a copy to:

                    Ehrenreich Eilenberg Krause & Zivian, LLP
                    11 East 44th Street
                    New York, New York 10017
                    Attention: Sheldon Krause, Esq.
                    Tel: (212) 986-9700
                    Fax: (212) 986-2399

Purchaser:          Bounty Investors LLC
                    c\o WEC Asset Management LLC
                    One World Trade Center, Suite #4563
                    New York, New York 10048
                    Attention: Daniel J. Saks
                    Tel: (212) 775-9299
                    Fax: (212) 775-9311

                    With a copy to:

                    Pryor Cashman Sherman & Flynn LLP
                    410 Park Avenue
                    New York, New York 10022
                    Attention: Mark Saks, Esq.
                    Tel: (212) 326-0140
                    Fax: (212) 326-0806

     (c)  Failure  of any  party to  exercise  any right or  remedy  under  this
Agreement or otherwise,  or delay by a party in exercising such right or remedy,
shall not operate as a waiver thereof.

     (d) This Agreement  shall be governed by and interpreted in accordance with
the laws of the  State of New  York,  except  for  provisions  with  respect  to
internal  corporate  matters  of the  Company  which  shall be  governed  by the
corporate  laws of the State of  Florida.  Each of the  parties  consents to the
jurisdiction  of the federal  courts whose  districts  encompass any part of the
City of New York or the state  courts of the  State of New York  sitting  in the
City of New York in connection with any dispute arising under this Agreement and
hereby waives, to the maximum extent permitted by law, any objection,  including
any  objection  based on  forum  non  conveniens,


                                       14
<PAGE>

to the bringing of any such proceeding in such jurisdictions. This Agreement may
be  signed  in one or more  counterparts,  each of  which  shall  be  deemed  an
original.  The headings of this  Agreement are for  convenience of reference and
shall not form part of, or affect the  interpretation  of, this Agreement.  This
Agreement  has  been  entered  into  freely  by each of the  parties,  following
consultation with their respective  counsel,  and shall be interpreted fairly in
accordance  with its  terms,  without  any  construction  in favor of or against
either  party.   If  any  provision  of  this  Agreement  shall  be  invalid  or
unenforceable in any jurisdiction,  such validity or unenforceability  shall not
affect the validity or  enforceability of the remainder of this Agreement or the
validity or  enforceability  of this Agreement in any other  jurisdiction.  This
Agreement  supersedes all prior agreements and understandings  among the parties
hereto with respect to the subject matter hereof.

     (e) This  Agreement  constitutes  the entire  agreement  among the  parties
hereto with respect to the subject  matter  hereof.  There are no  restrictions,
promises, warranties or undertakings, other than those set forth, or referred to
herein and in the other Primary Documents.  This Agreement  supersedes all prior
agreements  and  understandings  among the parties  hereto  with  respect to the
subject matter hereof.

     (f) Subject to the  requirements of Section 9 hereof,  this Agreement shall
inure to the benefit of and be binding upon the  successors  and assigns of each
of the parties hereto.

     (g) All  pronouns  and  any  variations  thereof  refer  to the  masculine,
feminine or neuter, singular or plural, as the context may require.

     (h) The Company acknowledges that any failure by the Company to perform its
obligations under Section 2(a), or any delay in such performance could result in
direct damages to the Purchaser, and the Company agrees that, in addition to any
other liability the Company may have by reason of any such failure or delay, the
Company  shall be liable for all direct  damages  caused by any such  failure or
delay.

     [REMAINDER OF PAGE LEFT INTENTIONALLY BLANK, SIGNATURE PAGE TO FOLLOW]


                                       15
<PAGE>

     IN WITNESS  WHEREOF,  the  parties  have caused  this  Registration  Rights
Agreement to be duly executed.

                                     DATA SYSTEMS & SOFTWARE INC.


                                     By:
                                        ----------------------------------
                                         Name: George Morgenstern
                                         Title: President


                                     BOUNTY INVESTORS LLC
                                     By: WEC Asset Management LLC, Manager


                                     By:
                                        ----------------------------------
                                         Name: Daniel J. Saks
                                         Title: Managing Director


                                       16



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