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3 jun 1890 año - Herman Hollerith designs a punch card system to calculate the 1880 census

Descripción:

Herman Hollerith designs a punch card system to calculate the 1880 census

Añadido al timeline:

computer timeline

Byjoel johnson
7 ago 2018

fecha:

3 jun 1890 año
Ahora mismo
~ 134 years ago
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