virtual memory

[ vûrchōō-əl ]


  1. A memory management system in a computer that temporarily stores inactive parts of the content RAM on a disk, restoring it to RAM when quick access to it is needed. This allows software to operate as though the computer has more RAM than it actually does.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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