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Punched card. A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[ 1] or punched-card[ 2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th ...
Punched cards. A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching ...
The Jacquard machine ( French: [ʒakaʁ]) is a device fitted to a loom that simplifies the process of manufacturing textiles with such complex patterns as brocade, damask and matelassé. [3] The resulting ensemble of the loom and Jacquard machine is then called a Jacquard loom.
The Votomatic vote recorder, a punched card voting machine originally developed in the mid-1960s. Punched card systems employ a card (or cards) and a small clipboard-sized device for recording votes. Voters punch holes in the cards with a ballot marking device. Typical ballot marking devices carry a ballot label that identifies the candidates ...
Punched card input/output. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with ...
Anki. Anki ( US: / ˈɑːŋki /, UK: / ˈæŋki /; Japanese: [aŋki]) is a free and open-source flashcard program. It uses techniques from cognitive science such as active recall testing and spaced repetition to aid the user in memorization. [4] [5] The name comes from the Japanese word for "memorization" ( 暗記 ). [6]
Keypunch. IBM 026 Keypunch. Keypunch operators at work at the U.S. Social Security Administration in the 1940s. Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938. A keypunch is a device for precisely punching holes into stiff paper cards at ...
Punched card. Wikimedia Commons has media related to Punch cards. This category contains articles about punched cards and card handling equipment, including card readers, card punches, and keypunches .