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31 dic 1889 anni - Perforadora mecánica como forma de representar letras y dígitos mediante tarjetas de papel

Descrizione:

Hermann Hollerith utiliza una perforadora mecánica como forma de representar letras y dígitos mediante tarjetas de papel. Más adelante, en el año 1924, sería el fundador de IBM.

Aggiunto al nastro di tempo:

linea de tiempo tics

ByYareli Lezama
29 set 2019
0
0
271

Data:

31 dic 1889 anni
Adesso
~ 135 years ago

Immagini:

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