Punched card

From WE Computers Museum
Punched card.png
Punched card
Developer Joseph Marie Jacquard (mechanical)
Herman Hollerith (electromechanical)
Publisher Various
Systems Various
Released 1804 - present
Added to Museum Not yet

A punched card, punched-card, or punch card, is a card that contains holes that store digital data for use in data processing and controlling automation.