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  2. Parallel ATA - Wikipedia

    en.wikipedia.org/wiki/Parallel_ATA

    Each cable has two or three connectors, one of which plugs into a host adapter interfacing with the rest of the computer system. The remaining connector(s) plug into storage devices, most commonly hard disk drives or optical drives. Each connector has 39 physical pins arranged into two rows (2.54 mm, 1 ⁄ 10-inch pitch), with a gap or key at ...

  3. Multi-function printer - Wikipedia

    en.wikipedia.org/wiki/Multi-function_printer

    An All-in-one is a small desktop unit, designed for home or home-office use. These devices focus on scan and print functionality for home use, and may come with bundled software for organising photos, simple OCR and other uses of interest to a home user. An All-in-one will always include the basic functions of Print and Sca

  4. Duplex printing - Wikipedia

    en.wikipedia.org/wiki/Duplex_printing

    Duplex print devices, depending on options, software, and printer settings, can print single-sided page to single-sided page (1:1) or double-sided page to double-sided page (2:2). Many can also combine single-sided pages into a double-sided page format (1:2). Double-sided booklet formats (2:2 with a center fold) are also available, depending on ...

  5. Spooling - Wikipedia

    en.wikipedia.org/wiki/Spooling

    In computing, spooling is a specialized form of multi-programming for the purpose of copying data between different devices. In contemporary systems, [a] it is usually used for mediating between a computer application and a slow peripheral, such as a printer. Spooling allows programs to "hand off" work to be done by the peripheral and then ...

  6. Power strip - Wikipedia

    en.wikipedia.org/wiki/Power_strip

    A North American power strip with two USB power ports that includes a built in surge protector. A power strip (also known as a multi-socket, power board and many other variations [a]) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.

  7. On how many computers can I install McAfee Internet Security ...

    help.aol.com/articles/on-how-many-computers-can...

    2. Under the Products and Subscriptions tab, look for the number of licenses your subscription allows. The number of licenses is the number of computers that you can protect using the McAfee software. Voila! You found what you were looking for.