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控制器的作用
更新时间: 2019-02-25 00:00:00  

控制器是指按照预定顺序改变主电路或控制电路的接线和改变电路中电阻值来控制电动机的启动、调速、制动和反向的主令装置。由程序计数器、指令寄存器、指令译码器、时序产生器和操作控制器组成,它是发布命令的决策机构”,即完成协调和指挥整个计算机系统的操作。

关键词: 控制器 作用

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