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[单选题]
设AL=04H,BL=0F8H,执行IMUL BL指令后,结果是()
A.AX=0032H
B.AX=00E0H
C.AX=03E0H
D.AX=0FFE0H
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A.AX=0032H
B.AX=00E0H
C.AX=03E0H
D.AX=0FFE0H
设 (AL=04H,(BL=0F8H,执行 MUL BL指令后,结果()
A (AX=03E0H
B (AX=0FEE0H
C (AX=0032H
D (AX=00E0H
设AL=57H,BL=24H,执行指令SUB AL,BL后,寄存器内容为()
A AL=57H,BL=24H
B AL=33H,BL=24H
C AL=57H,BL=33H
D.AL=33H,BL=0
设 (AL=63H (BL=29H 执行下面指令后 SUB AL,BL DAS AX的内容()
A (AX=0304H
B (AX=0034
C (AX=0034H
D (AX=0304
A.AL=0F8H
B.AL=0F8H CF=1 CF=0
C.AL=0F9H
D.AL=0F9H CF=0 CF=1
设 (AL=63H (BL=29H 执行下面指令后 DAS AX的内容()
A (AX=0304H
B (AX=0034H
C (AX=0034H
D (AX=0304H
A.AL=100H,BL=02H
B.AL=64H,BL=0FEH
C.AL=64H,BL=82H
D.AL=100H,BL=0FEH
下面指令执行后,可能改变AL寄存器内容的指令是()
ATEST AL,02H
BOR AL,AL
CCMP AL,BL
DAND AL,BL