Definition: Disk


A portion of a computer's RAM set aside for temporarily holding information that has been read from a disk. The disk cache does not hold entire files as does a RAM disk, but information that has either been recently requested from a disk or has previously been written to a disk.




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Data Recovery Fact

Surface

The top or the bottom side of a platter coated with a magnetic material required for recording data. A platter may use one or both surfaces to store data.

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