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See also: punchcard

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EnglishEdit

 
An 80-column 20th century punch card.

NounEdit

 
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punch card (plural punch cards)

  1. A card that can have holes or notches cut in it, especially one for storing data, that can be sorted according to combinations of holes present or absent.
    1. (computing) Such a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
  2. A card given to a customer and punched with a hole at each purchase, allowing a reward to be claimed when fully punched.

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