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23 jan 1890 ano - Hollerith consiguió compilar la información estadística destinada al censo de población de Estados Unidos mediante la utilización de un sistema que hacía pasar tarjetas perforadas sobre contactos eléctricos.

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ByDiego Bacallado Melián
21 dez 2017

Data:

23 jan 1890 ano
Agora
~ 134 years ago
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