punch card
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An 80-column 20th century punch card.
See also: punchcard
English
Alternative forms
Noun
punch card (plural punch cards)
- 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.
- (computing, historical) Such a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
- 2023 November 13, James Somers, “A Coder Considers the Waning Days of the Craft”, in The New Yorker, →ISSN:
- Programming by typing C++ or Python yourself might eventually seem as ridiculous as issuing instructions in binary onto a punch card.
- (computing, historical) Such a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
- A card given to a customer and punched with a hole at each purchase, allowing a reward to be claimed when fully punched.
Usage notes
- Sometimes the blank card was called a punch card, and became a punched card only after holes had been punched in it.
- Also see punched tape and paper tape.
Synonyms
- (card with holes or notches): index card, punched card
- (card used in early mainframe computers): punched card, Hollerith card
Related terms
Translations
card with have holes or notches used for storing data
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