What is the meaning of Punch_card?
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.
- Such a card, the size of a US dollar bill and having 80 columns of 12 rows, used in early mainframe computers.
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.
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