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.
主記憶装置の容量が大きいほど、多くのプログラムを同時に実行できる。
The larger the main memory capacity, the more programs can be run simultaneously.
CPUは主記憶装置から命令を読み出して実行する。
The CPU reads instructions from main memory and executes them.