<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION FOR NCR
CORPORATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEETS AT SEPTEMBER 30, 2000
AND THE CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE NINE MONTH PERIOD ENDED
SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<CAPTION>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 482
<SECURITIES> 139
<RECEIVABLES> 1,175
<ALLOWANCES> 23
<INVENTORY> 311
<CURRENT-ASSETS> 2,365
<PP&E> 1,926
<DEPRECIATION> 1,207
<TOTAL-ASSETS> 4,815
<CURRENT-LIABILITIES> 1,541
<BONDS> 45
0
0
<COMMON> 1
<OTHER-SE> 1,699
<TOTAL-LIABILITY-AND-EQUITY> 4,815
<SALES> 2,178
<TOTAL-REVENUES> 4,167
<CGS> 1,369
<TOTAL-COSTS> 2,876
<OTHER-EXPENSES> 1,199
<LOSS-PROVISION> 2
<INTEREST-EXPENSE> 9
<INCOME-PRETAX> 144
<INCOME-TAX> 56
<INCOME-CONTINUING> 144
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 88
<EPS-BASIC> 0.93
<EPS-DILUTED> 0.90
</TABLE>