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23 Jan 1890 Jahr - 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
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23 Jan 1890 Jahr
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~ 134 years ago
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