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1 gen 1900 anni - Punch Cards

Descrizione:

Punched cards were widely used through much of the 20th century in the data processing industry, where specialized and increasingly complex unit record machines, organized into semiautomatic data processing systems, used punched cards for data input, output, and storage.

Aggiunto al nastro di tempo:

Data:

1 gen 1900 anni
Adesso
~ 125 years ago

Immagini: