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  2. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for financial ...

  3. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    A male DE-9 connector on an IBM PC compatible computer (with serial port symbol) used for an RS-232 serial port A female DE-9 connector on an RS-232 cable.. A serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. [1]

  4. eBay - Wikipedia

    en.wikipedia.org/wiki/EBay

    eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.

  5. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    Clockwise from top left: A 2021 MacBook Pro by Apple Inc.; a 2019 Microsoft Surface Pro 7 with detachable hinge (left) and a 2018 Dell XPS 15 9570 with 360 degree hinge (right); a 2014 ThinkPad Helix by Lenovo with detachable screen; and a 2014 Acer Chromebook 11. A laptop computer or notebook computer, also known as a laptop or notebook, is a ...

  6. LGA 1151 - Wikipedia

    en.wikipedia.org/wiki/LGA_1151

    LGA 1151, [1] also known as Socket H4, is a type of zero insertion force flip-chip land grid array (LGA) socket for Intel desktop processors which comes in two distinct versions: the first revision which supports both Intel's Skylake [2] and Kaby Lake CPUs, and the second revision which supports Coffee Lake CPUs exclusively.

  7. LGA 1200 - Wikipedia

    en.wikipedia.org/wiki/LGA_1200

    LGA 1200, also known as Socket H5, is a zero insertion force flip-chip land grid array (LGA) socket, compatible with Intel desktop processors Comet Lake (10th gen) and Rocket Lake (11th-gen) desktop CPUs, which was released in April 2020.

  8. Tubular pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Tubular_pin_tumbler_lock

    A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.