He broke computer hardware down in five primary parts: CPU input output working memory and permanent memory.
他将计算机分成五个主要部分：中央处理器、输入部分、输出部分、工作存储器和永久存储器。
2
A short computer program that is permanent ly resident or easily loaded into a computer, whose execution brings another, larger program, such as an operating system or its loader, into memory.