Punched card

paper-based recording medium

American statistician and inventor（1860-1929）

electromechanical machine used to summarise information and perform accounting calculations

thumb|IBM 026 Keypunch|alt=thumb|Keypunch operators at work at the U.S. Social Security Administration in the 1940s right|thumb|Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938

computing jargon term

Counting and analysis machine