What does punched card mean?

Definitions for punched card
punched card

This dictionary definitions page includes all the possible meanings, example usage and translations of the word punched card.

Princeton's WordNet

  1. punched card, punch card, Hollerith cardnoun

    a card on which data can be recorded in the form of punched holes

Wiktionary

  1. punched cardnoun

    A punch card (especially one that has had holes punched in it).

Wikipedia

  1. Punched 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.

ChatGPT

  1. punched card

    A punched card, also known as punch card or perforated paper card, is a medium for storing data through a series of punched holes in predefined positions. Each punched hole represents specific information, providing instructions for automated machinery or data for data processing applications. This technology was widely used during the 19th and 20th centuries for programming machines, processing data, and storing digital information.

Wikidata

  1. Punched card

    A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions. Now obsolete as a recording medium, punched cards were widely used throughout the 19th century for controlling textile looms and in the late 19th and early 20th century for operating fairground organs and related instruments. They were used through the 20th century in unit record machines for input, processing, and data storage. Early digital computers used punched cards, often prepared using keypunch machines, as the primary medium for input of both computer programs and data. As of 2012, some voting machines still utilize punched cards to input data.

The New Hacker's Dictionary

  1. punched card

    [techspeak] (alt.: punch card) The signature medium of computing's Stone Age, now obsolescent. The punched card actually predated computers considerably, originating in 1801 as a control device for mechanical looms. The version patented by Hollerith and used with mechanical tabulating machines in the 1890 U.S. Census was a piece of cardboard about 90 mm by 215 mm. There is a widespread myth that it was designed to fit in the currency trays used for that era's larger dollar bills, but recent investigations have falsified this.IBM (which originated as a tabulating-machine manufacturer) married the punched card to computers, encoding binary information as patterns of small rectangular holes; one character per column, 80 columns per card. Other coding schemes, sizes of card, and hole shapes were tried at various times.The 80-column width of most character terminals is a legacy of the IBM punched card; so is the size of the quick-reference cards distributed with many varieties of computers even today. See chad, chad box, eighty-column mind, green card, dusty deck, code grinder.

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Numerology

  1. Chaldean Numerology

    The numerical value of punched card in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of punched card in Pythagorean Numerology is: 7


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"punched card." Definitions.net. STANDS4 LLC, 2024. Web. 18 Mar. 2024. <https://www.definitions.net/definition/punched+card>.

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