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1 jan 1890 ano - 1890 - máquinas de tarjetas perforadas

Descrição:

•Se tabula el censo estadounidense empleando las máquinas de tarjetas perforadas de Herman Hollerith.

Adicionado na linha do tempo:

LIBRO LOS INNOVADORES

ByJoan Sebastian

3 out 2018

0

0

845

Data:

1 jan 1890 ano

Agora

~ 135 years ago

Imagens:

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