Computer dictionary definition for what punch card or punched card means including related links, information, and terms.Herman Hollerith (February 29, 1860 – November 17, 1929) was an American inventor who developed an electromechanical punched card tabulator to assist in summarizing .
A punched card or punch card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions..
Punched Card Machines. Prior to the actual period of computers the automatic data processing was handled mainly by punched card machines. The age of punched card .
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The machine could be programmed to some extent with a program card, an ordinary punch card wrapped around the program drum housed in the compartment at the top center..
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