主しゅ記き憶おく装そう置ち

noun

main memory; primary storage

Computing term for the primary working memory directly accessible by the CPU, often contrasted with secondary storage like hard disks.

• 主しゅ記き憶おく装そう置ちの容よう量りょうが大おおきいほど、多おおくのプログラムを同どう時じに実じっ行こうできる。

  The larger the main memory capacity, the more programs can be run simultaneously.

• CPUは主しゅ記き憶おく装そう置ちから命めい令れいを読よみ出だして実じっ行こうする。

  The CPU reads instructions from main memory and executes them.