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1 janv. 1890 - (1890) Herman Hollerith, tarjetas perforadas

Description:

Codificó los datos del censo en tarjetas perforadas. Inspirado en como los trenes identificaban sus pasajeros mediante boletos perforados.

Ajouté au bande de temps:

DoritosElectrónicos_Linea

16 nov. 2017

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437

Date:

1 janv. 1890

Maintenaint

~ Il y a 135 ans

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