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28 feb 1890 anni - the punch card was invented

Descrizione:

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

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daniel's timeline

Bydaniel
25 set 2017
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0
605

Data:

28 feb 1890 anni
Adesso
~ 135 years ago

Immagini:

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