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  2. Power supply - Wikipedia

    en.wikipedia.org/wiki/Power_supply

    A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear Interior of high-end linear power supply with toroidal mains transformer. A power supply is an electrical device that supplies electric power to an electrical load.

  3. Commodore 64 - Wikipedia

    en.wikipedia.org/wiki/Commodore_64

    The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, January 7–10, 1982, in Las Vegas). [4]

  4. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

  5. Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Electric_power_conversion

    A power converter is an electrical device for converting electrical energy between alternating current (AC) and direct current (DC). It can also change the voltage or frequency of the current. Power Converters can include simpler tools such as transformer or more complex like a resonant converter .

  6. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    1 – Indicates a manufacturer-specific (OEM) code. 2 – Category dependent: For the 'P' category this indicates a generic (SAE defined) code. For other categories indicates a manufacturer-specific (OEM) code. 3 – Category dependent: For the 'P' category this is indicates a code that has been 'jointly' defined.

  7. Voltage regulation - Wikipedia

    en.wikipedia.org/wiki/Voltage_regulation

    In order to maintain voltage within tolerance under changing load conditions, various types of devices are traditionally employed: [3] a load tap changer (LTC) at the substation transformer , which changes the turns ratio in response to load current and thereby adjusts the voltage supplied at the sending end of the feeder;

  8. Comparison of e-book formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_e-book_formats

    The format can be read by the Kobo eReader, BlackBerry devices, Apple's Apple Books app running on Macintosh computers and iOS devices, Google Play Books app running on Android and iOS devices, Barnes & Noble Nook, Amazon Kindle Fire, [4] Sony Reader, BeBook, Bookeen Cybook Gen3 (with firmware v2 and up), Adobe Digital Editions, Lexcycle Stanza ...

  9. List of physics mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_physics_mnemonics

    ROYGBIV (in reverse VIBGYOR) is commonly used to remember the order of colors in the visible light spectrum, as seen in a rainbow.. Richard of York gave battle in vain" (red, orange, yellow, green, blue, indigo, violet).