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1 янв 1890 г. - (1890) Herman Hollerith, tarjetas perforadas

Описание:

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

Добавлено на ленту времени:

DoritosElectrónicos_Linea

ByPeter
16 ноя 2017
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Дата:

1 янв 1890 г.
Сейчас
~ 134 г назад
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