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punched cards

 - 1 dictionary result

punch card

–noun
a card having holes punched in specific positions and patterns so as to represent data to be stored or processed mechanically, electrically, or photoelectrically.
Also, punchcard, punched card.


Origin:
1940–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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