1 gen 1890 anni - PUNCHED CARDS

Descrizione:

Description: a piece of stiff paper that can be used to contain digital information represented by the presence or absence of holes in predefined positions.

History: Punched cards were widely used through much of the 20th century in what became known as 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

Special Features: The card has 12 lines and 80 columns. The card can be perforated with rectangle holes by special devices.

Uses: for automatic information processing
Interaction/Exposure: seen as a storage media for voting machines

Aggiunto al nastro di tempo:

Data: