A-A+

XOR AX AX MOV AL 90H CWD 执行上述指令后结果为()A (DX=00

2022-08-13 21:00:04 问答库阅读 199 次

问题详情

XOR AX,AX MOV AL,90H CWD 执行上述指令后,结果为()
A (DX=0000, (AX=FF90H
B (DX=FFFFH,(AX=0090H
C (DX=FFFFH,(AX=FF90H
D(DX=0000, (AX=0090H

参考答案D