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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 ...
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 ...
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 ...
Hawaiian Punch is an American brand of fruit punch currently manufactured by Keurig Dr Pepper, originally invented in 1934 by A.W. Leo, Tom Yeats, and Ralph Harrison as a topping for ice cream. It was started from an original syrup flavor titled Leo's Hawaiian Punch, containing orange , pineapple , passion fruit , guava and papaya , and is ...
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The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census. Later models were widely used for business applications such as accounting and inventory control.
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 .
The IBM 519 Document-Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated preparation of punched cards. Others in the series included the IBM 513 & IBM 514 Reproducing Punch. The 519, which was "state of the art for the time", [1] could: The reproducing, gangpunching, summary punching ...