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1 gen 1890 anni - (1890) Herman Hollerith, tarjetas perforadas

Descrizione:

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

Aggiunto al nastro di tempo:

DoritosElectrónicos_Linea

16 nov 2017

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432

Data:

1 gen 1890 anni

Adesso

~ 135 years ago

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