punch card

Product

A physical card with holes punched in specific positions to represent data or instructions, used as an early method for inputting programs into computers.

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Videos Mentioning punch card

What is Bootstrapping Anyway? - Computerphile

What is Bootstrapping Anyway? - Computerphile

Computerphile

A physical card with holes punched in specific positions to represent data or instructions, used as an early method for inputting programs into computers.