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  2. Superconducting magnet - Wikipedia

    en.wikipedia.org/wiki/Superconducting_magnet

    The magnet is inside the doughnut-shaped housing and can create a 3-tesla field inside the central hole. Superconducting magnets have a number of advantages over resistive electromagnets. They can generate much stronger magnetic fields than ferromagnetic-core electromagnets, which are limited to fields of around 2 T.

  3. 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 ...

  4. Access badge - Wikipedia

    en.wikipedia.org/wiki/Access_badge

    A private security officer with an access card/ID card. An access badge is a credential used to gain entry to an area having automated access control entry points. Entry points may be doors, turnstiles, parking gates or other barriers. Access badges use various technologies to identify the holder of the badge to an access control system.

  5. Magnetic-core memory - Wikipedia

    en.wikipedia.org/wiki/Magnetic-core_memory

    t. e. Magnetic-core memory is a form of random-access computer memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally, core . Core memory uses toroids (rings) of a hard magnetic material (usually a semi-hard ferrite ). Each core stores one bit of information.

  6. Talk:Magnetic stripe card - Wikipedia

    en.wikipedia.org/wiki/Talk:Magnetic_stripe_card

    Although Magnetic stripe card is better sourced, and explains using IBM.com sourcing how the magstrip card was developed, the name Digital card seems like it has more usefullness/has a better future, as seen in 2022. Nuts240 ( talk) 21:29, 29 August 2022 (UTC) Categories: C-Class Computer hardware articles of Low-importance.

  7. Edison Academy Magnet School - Wikipedia

    en.wikipedia.org/wiki/Edison_Academy_Magnet_School

    www .mcmsnj .net /edison. The Edison Academy Magnet School (formerly known as the Middlesex County Academy for Science, Mathematics and Engineering Technologies) is a four-year career academy and college preparatory magnet public high school located on the campus of the Middlesex County College in Edison, in Middlesex County, New Jersey.