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Article Of Comp-Units-Relations
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JaxWillliams authored Feb 25, 2017
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# CPU
由寄存器、运算器、控制器组成
还有一级缓存、二级缓存等
# 内存
我们所说的内存都是系统内存,是SDRAM,动态随机存储器
速度快容量小
# 硬盘
容量大速度慢
# 指令
程序在计算机中被分解为一条条的指令
# 关系
程序文件在硬盘中,当调用时,从硬盘载入内存,
控制器从内存中读取程序的第一条指令,指令通知运算器读取内存中的数据的地址,
运算器结合寄存器计算出结果,读取下一条指令,直到指令结束。

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