29 dic 1889 año - The punch card was created
Descripción:
The punch card was created by Herman Hollerith,for data processing came after he'd seen the punched cards used to control Jacquard looms. Each card in this string is 9 inches long by 1.25 inches wide by 1/16 inch thick, which were made of metal.
Añadido al timeline:
fecha:
29 dic 1889 año
Ahora mismo
~ 135 years ago
Fotos:
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