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punch card

noun
1.
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
1940-1945
1940-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for punch card
  • Previously, commands had to be fed into a computer in batches, usually via a punch card or paper tape.
  • Since punch card data have a much larger sample size, estimates made from these data will be more accurate and precise.
  • In many minds, the punch card system of voting was discredited.
  • The appropriate codes are entered in a master punch card that is used in processing future tax returns.
British Dictionary definitions for punch card

punched card

noun
1.
(formerly) a card on which data can be coded in the form of punched holes. In computing, there were usually 80 columns and 12 rows, each column containing a pattern of holes representing one character Sometimes shortened to card
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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punch card in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Difficulty index for punch card

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Word Value for punch

12
15
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