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21 h 35 m, 21 ene 1947 año - Invention of the Keyboard.

Descripción:

Before the keyboard, people used punchcards. the keyboard was invented so people could type information at ease.

Añadido al timeline:

computer timeline

Bymatt council
30 ene 2018
0
0
426

fecha:

21 h 35 m, 21 ene 1947 año
Ahora mismo
~ 78 years ago

Fotos:

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