Those old enough to have encountered punch cards in their lifetime are probably glad to be rid of their extremely low data density and the propensity of tall stacks to tip over. But obsolete as ...

(1) See loyalty punch card. (2) An early storage medium made of thin cardboard stock that held data as patterns of punched holes. Also called "punched" cards, each of the 80 or 96 columns held one ...

Although punch cards were used in earlier looms and music boxes, Jacquard's loom was a vast improvement and allowed complex patterns to be created swiftly. Not every weaver was happy when they ...