, .
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:
N 5
:
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, . ( ), _______ (-).
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N 6
:
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1896 . ___________ , 1924 . (IBM, International Business Machines Corporation).
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:
1890 . , , . , . , 1896 . . Tabulating Machine Co. . , . 1911 . Computing Scale Time Recording. Computing-Tabulating-Recording Company, C-T-R, 1924 . International Business Machines Corp. (IBM).
N 7
: