搜题
问题   更新时间2023/4/3 12:59:00

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

B.AL=33H,BL=24H
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