PUNCHCARD

punch card

Noun

  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.
  2. Such a card, the size of a US dollar bill, having 80 columns of 12 rows used in early mainframe computers.
  3. 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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