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- DictionaryPunch card
noun
- 1. a card perforated according to a code, for controlling the operation of a machine, used in voting machines and formerly in programming and entering data into computers.
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Jun 20, 2024 · Punch cards, also known as “Hollerith cards,” or “IBM cards,” are stiff paper cards where holes can be punched manually or by a machine to symbolize computer data and commands. These were once the primary method for storing and processing data before the advent of modern computers.
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a card with holes in patterns that represent information: In some places, voters perforate holes in punch cards. The word "file" appears in the context of computer storage as early as 1952, referring to information stored on punched cards. Miranda Jones/Moment/GettyImages. Fewer examples.
noun [ C ] ( also punchcard) us / ˈpʌntʃ ˌkɑːrd / uk / ˈpʌntʃ ˌkɑːd / ( also punched card, us / ˈpʌntʃt ˌkɑːrd / uk / ˈpʌntʃt ˌkɑːd /) Add to word list. a card with holes in patterns that represent information: In some places, voters perforate holes in punch cards.
Punch card definition: a card having holes punched in specific positions and patterns so as to represent data to be stored or processed mechanically, electrically, or photoelectrically.. See examples of PUNCH CARD used in a sentence.
Feb 17, 2024 · The meaning of PUNCH CARD is a card in which holes are punched in designated positions to represent data —called also Hollerith card, punched card. How to use punch card in a sentence.
noun. /ˈpʌntʃkɑːd/. /ˈpʌntʃkɑːrd/. (also punched card) a card on which, in the past, information was recorded as lines of holes and used for giving instructions, etc. to computers and other machines.
Punch Cards for Data Processing. In the late 1880s, American engineer Herman Hollerith saw a railroad punch card when he was trying to figure out new ways of compiling statistical information for the U.S. Census. His first punch card, like those used on railways, only had holes along the edges.
