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Computing terms explained in plain English

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  1. Zip drive

    A high-capacity disk drive designed by Iomega capable of storing 100MB or 250MB of information on sturdy pocket-sized disks. These can be used for backup, as extra storage or to transfer files between machines or users. Zip drives can be built into your PC or connected externally, using a USB, parallel or SCSI link.

  2. ZIP file

    A file that can contain a number of compressed documents or files.

  3. Zipping

    Compressing a file using a program such as PKZip or Winzip to reduce the space it takes up. Unzipping is the process of decompressing the file to its original form.

  4. Zombie PC

    An infected PC under the remote control of a malicious third party.

  5. Zone

    In optical character-recognition software, a scanned area that is designated as containing a particular type of information, either image or text. Examples include a picture caption or a column of text.

  6. Zoom

    In image editing, the tool, normally shown as a magnifying glass, that lets you enlarge an area of the picture so you can see finer detail and work on it more easily.

  7. Z-wave

    An emerging wireless standard.

  8. ZX Spectrum

    A British home computer popular in the 1980s.

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Jargon Buster

Computing terms explained in plain English

CPU

Central Processing Unit. Another term for a computer processor.

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