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  2. Dell - Wikipedia

    en.wikipedia.org/wiki/Dell

    Website. dell.com. Dell Inc. is an American technology company that develops, sells, repairs, and supports computers and related products and services. Dell is owned by its parent company, Dell Technologies. [ 3 ][ 4 ] Dell sells personal computers (PCs), servers, data storage devices, network switches, software, computer peripherals, HDTVs ...

  3. List of laptop brands and manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_laptop_brands_and...

    Pegatron (in 2010, Asus spun off Pegatron) sells to Asus, Apple, Dell, Acer, and Microsoft; Foxconn sells to Asus, Dell, HP, and Apple; Flextronics (former Arima Computer Corporation notebook division) sells to HP; Clevo and Tongfang sell to different laptop manufacturers like Digital Storm, Eluktronics, Eurocom, Metabox, Sager, Schenker ...

  4. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...

  5. Personal computer - Wikipedia

    en.wikipedia.org/wiki/Personal_computer

    Personal computer. An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown) A personal computer, often referred to as a PC, is a computer designed for individual use. [1] It is typically used for tasks such as word processing ...

  6. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    Standby power. Standby power, also called vampire power[1], vampire draw, phantom load, ghost load, or leaking electricity, refers to how electronic and electrical appliances consume electric power. At the same time, they are switched off (but are designed to draw some power) or in standby mode. It only occurs because some devices claim to be ...

  7. Memory effect - Wikipedia

    en.wikipedia.org/wiki/Memory_effect

    Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...

  8. MacBook Air - Wikipedia

    en.wikipedia.org/wiki/MacBook_Air

    On October 30, 2018, Apple released a new MacBook Air with Amber Lake processors, a 13.3-inch Retina display with a resolution of 2560×1600 pixels, Touch ID, and two combination USB-C 3.1 Gen 2/ Thunderbolt 3 ports plus one audio jack. The screen displays 48% more color, and the bezels are 50% narrower than the previous generation and occupies ...

  9. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [ 1 ] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [ 2 ] The terminal marked negative is the source of electrons that will ...

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