题目内容

移位寄存器指令参与移位的最低位是（）端

A. EN
B. DATA
C. S-BIT
D. N

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寄存器移位指令是使能端接通一次整个移位寄存器移动一位。（）

A. 对
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寄存器移位指令是移位长度可以指定的移位指令。（）

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B. 错

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