disk cache

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disk cache

[′disk ‚kash]
(computer science)
A portion of random-access memory that contains the data most recently read from or written to the disk, allowing rapid access by the central-processing unit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

disk cache

A section of main memory or memory in the disk controller that bridges the disk and CPU. For more details, see cache.
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