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jan 11, 300 BC - Ábaco

Description:

Primer dispositivo manual que consiste en un conjunto de ranuras que se deslizan piezas de piedra o madera, que según la posición y cantidad, permiten realizar fundamentalmente sumas y restas.

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Precursores de las computadoras.

ByNatalia Molina
24 Aug 2018
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Date:

jan 11, 300 BC
Now
~ 2327 years ago

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