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feb 28, 1890 - the punch card was invented

Description:

Hewman Hollerith and Semen Korsakvo invented the punch card. the punch card was made to be used to contain digital information represented by the presence or absence of holes in predefined position. it cost $ 30.300 for the standard program of a punch card

Added to timeline:

daniel's timeline

Bydaniel
25 Sep 2017
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612

Date:

feb 28, 1890
Now
~ 136 years ago

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