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.
- Also called main storage, primary memory .
- Formerly core memory .
- Compare real storage.
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How to use main memory in a sentence
The main memory makes 511 registers available as index registers.Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) | Digital Equipment Corporation
In main memory, 511 of the registers can be used as automatic index registers.Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) | Digital Equipment Corporation
British Dictionary definitions for main memory
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