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1 jan 1890 ano - (1890) Herman Hollerith, tarjetas perforadas

Descrição:

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

Adicionado na linha do tempo:

DoritosElectrónicos_Linea

16 nov 2017

0

0

437

Data:

1 jan 1890 ano

Agora

~ 135 years ago

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