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  2. Nonvolatile BIOS memory - Wikipedia

    en.wikipedia.org/wiki/Nonvolatile_BIOS_memory

    Some computer designs have used non-button cell batteries, such as the cylindrical "1/2 AA" used in the Power Mac G4 as well as some older IBM PC compatibles, or a 3-cell nickel–cadmium (Ni–Cd) CMOS battery that looks like a "barrel" (common in Amiga and older IBM PC compatibles), which serves the same purpose. These motherboards often have ...

  3. 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.

  4. List of commercial failures in computing - Wikipedia

    en.wikipedia.org/wiki/List_of_commercial...

    The Macintosh Portable is the first battery-powered Macintosh and Apple Computer's first portable computer, released in 1989 and featuring 1 MB of static random-access memory, a 16 MHz Motorola 68HC000, a black-and-white active matrix LCD display, a floppy disk drive, an SCSI mode allowing the unit to be used as a hard drive, and a removable ...

  5. System Mechanic Software | 30-Day Free* Trial | AOL Products

    www.aol.com/products/utilities/system-mechanic

    System Mechanic is an easy solution for optimal PC performance and simple computing. Once downloaded, it helps speed up slow computers by removing unnecessary software and files and fixes problems ...

  6. Desktop computer - Wikipedia

    en.wikipedia.org/wiki/Desktop_computer

    A desktop computer, often abbreviated as desktop, [1] is a personal computer designed for regular use at a stationary location on or near a desk (as opposed to a portable computer) due to its size and power requirements.

  7. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    The desktop computer power supply converts the alternating current (AC) from a wall socket of mains electricity to a low-voltage direct current (DC) to operate the motherboard, processor and peripheral devices. Several direct-current voltages are required, and they must be regulated with some accuracy to provide stable operation of the computer.

  8. 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 ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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