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20 ene 1890 año - Alfabeto Mecánico

Descripción:

HARMANN HOLLERITH USA UNA PERFORADORA MECANICA PARA REPRESENTAR LETRAS DEL ALFABETO Y DIGITOS EN TARJETAS DE PAPEL.

Añadido al timeline:

PRECURSORES DE LA COMPUTACIÓN

ByPikachu
16 feb 2018

fecha:

20 ene 1890 año
Ahora mismo
~ 134 years ago

Fotos:

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