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  2. Computer programming in the punched card era - Wikipedia

    en.wikipedia.org/wiki/Computer_programming_in...

    Punched cards. A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching ...

  3. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    Punched card input/output. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with ...

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    Punched card. A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[ 1] or punched-card[ 2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th ...

  5. Aperture card - Wikipedia

    en.wikipedia.org/wiki/Aperture_card

    An aperture card is a type of punched card with a cut-out window into which a chip of microfilm is mounted. Such a card is used for archiving or for making multiple inexpensive copies of a document for ease of distribution. The card is typically punched with machine-readable metadata associated with the microfilm image, and printed across the ...

  6. JVC - Wikipedia

    en.wikipedia.org/wiki/JVC

    JVC (short for Japan Victor Company) is a Japanese brand owned by JVCKenwood.Founded in 1927 as the Victor Talking Machine Company of Japan and later as Victor Company of Japan, Ltd. (日本ビクター株式会社, Nihon Bikutā kabushiki gaisha), the company was best known for introducing Japan's first televisions and for developing the Video Home System video recorder.

  7. Keypunch - Wikipedia

    en.wikipedia.org/wiki/Keypunch

    Keypunch. IBM 026 Keypunch. Keypunch operators at work at the U.S. Social Security Administration in the 1940s. Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938. A keypunch is a device for precisely punching holes into stiff paper cards at ...

  8. Freepulse wireless headphones - Wikipedia

    en.wikipedia.org/wiki/Freepulse_wireless_headphones

    The Logitech FreePulse Wireless Headphones are headphones that use Bluetooth to transmit audio from the receiver to the headphones. The receiver can use a 3.5 mm headphone jack to plug into most audio outputs. The headphones emit sound from up to 10 metres (33 ft) away from the receiver using Bluetooth 2.0 with Enhanced Data Rate (EDR) wireless ...

  9. JVC GR-C1 - Wikipedia

    en.wikipedia.org/wiki/JVC_GR-C1

    The JVC GR-C1 VideoMovie was a camcorder released in March 1984 by JVC. It was notable as the second consumer-grade all-in-one camcorder after 1983 Sony Betamovie , as opposed to earlier portable systems in which the camera and recorder were separate units linked by a cable ( portapaks ), and as the first VHS-C camcorder.