punch card
punch card
English Definitions:
punched card, punch card, Hollerith card (noun)
a card on which data can be recorded in the form of punched holes
punch card (Noun)
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.
punch card (Noun)
Such a card, the size of a US dollar bill, having 80 columns of 12 rows used in early mainframe computers.
punch card
A punched card (also punch card or punched-card) is a piece of stiff paper that holds digital data represented by the presence or absence of holes in predefined positions. Punched cards were once common in data processing applications or to directly control automated machinery. Punched cards were widely used through much of the 20th century in the data processing industry, where specialized and increasingly complex unit record machines, organized into semiautomatic data processing systems, used punched cards for data input, output, and storage. The IBM 12-row/80-column punched card format came to dominate the industry. Many early digital computers used punched cards as the primary medium for input of both computer programs and data. While punched cards are now obsolete as a storage medium, as of 2012, some voting machines still used punched cards to record votes. They also had a significant cultural impact.
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"punch card." Kamus.net. STANDS4 LLC, 2024. Web. 20 Apr. 2024. <https://www.kamus.net/english/punch+card>.
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