disk cache

(redirected from Hard disk cache)
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Related to Hard disk cache: Hard drive cache, CPU cache

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.

disk cache

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