| main memory The storage device used by a computer to hold the currently executing program and its working data. A modern computer's main memory is built from . In the old days was one popular form of main memory, leading to the use of the term "" for main memory. Computers have several other sorts of memory, distinguished by their access time, storage capicity, cost, and the typical lifetime or rate of change of the data they hold. in the are fast, few, expensive and typically change every few machine instructions. Other kinds are , , (which may be used for ), and . (1996-11-04) |
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