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main memory

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noun Computers.

program-addressable storage that is directly controlled by and generally contained in the CPU: except for cache storage, the fastest type of storage available to any computer system.

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Also called main storage, primary memory . Formerly core memory .
Compare real storage.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for main memory

main memory

noun

the central memory-storage facility in a computer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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