单项选择题
A.ABE0H B.FFFFH C.0001H D.ABDFH
A.ABDEH B.FFFFH C.1000H D.8000H
A.ABDEH B.FFFFH C.0001H D.0000H
A.MOV AX,0 B.XOR AX,AX C.SUB AX,AX D.OR AX,0
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