微机系统中，（ ）不属于CPU的运算器组成部件。
- A.程序计数器
- B.累加寄存器
- C.多路转换器
- D.ALU单元
正确答案及解析
正确答案
解析
本题考查的是CPU的基本结构，其中程序计数器PC是控制器中的一部分，本题比较容易出错的是多路转换器，它也是计算部件。
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