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7 ene 1890 año - Punch Cards

Descripción:

A card perforated according to a code, used in voting machines and formerly in programming and entering data into computers. It was invented by Herman Hollerith and Semyon Korsakov

Exposure: The punch cards are still available as of today it can be seen in voting machines, schools, and even in transportation tickets.

Añadido al timeline:

20 dic 2019
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321

fecha:

7 ene 1890 año
Ahora mismo
~ 135 years ago

Fotos: