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微程序控制器中,机器指令与微指令的关系是( )。

单选题
2021-07-17 23:48
A、每一条机器指令由一条微指令来执行
B、一段机器指令组成的程序可由一条微指令来执行
C、每一条机器指令由一段用微指令编成的微程序来解释执行
D、一条微指令由若干条机器指令组成
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正确答案
C

试题解析

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