共找到 6 与0FFFH后 相关的结果,耗时7 ms
MOV AX,BX与MOV AX,0FFFH的执行速度比较,结果是A.前一条快B.后一条快C.两条一样快D.无法比较
MOV AX,BX 与 MOV AX,0FFFH的执行速度比较,结果是A.前一条快B.后一条快C.两条一样快D.无法比较
若(AX)=0122H,四个标志位CF、SF、ZF、OF的初始状态为0,执行指令SUB AX, 0FFFH后,这四个标志位的状态是______。A.(CF)=O,(SF)=0,(ZF)=0,(OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0
若(AX)=0122H,4个标志位CF、SF、ZF、OF的初始状态为0,执行指令SUBAX,0FFFH后这4个标志位的状态是( )。A.(CF)=0, (SF)=0, (ZF)=0, (OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0, (
若(AX)=0122H,四个标志位CF、SF、ZF、OF的初始状态为0,问执行指令 SUB AX,0FFFH后,这4个标志位的状态是( )。A.ZF=0,SF=0,CF=O,OF=0B.ZF=0,SF=1,CF=1,OF=0C.ZF=1,SF=0,CF=0,OF=1D.ZF=1,SF=1,CF=1
若(AX)=0122H,4个标志位CF、SF、ZF、OF的初始状态为0,执行指令SUB AX,0FFFH后这4个标志位的状态是( )。A.(CF)=0, (SF)=0, (2P)=0, (OF)=0B.(CF)=1, (SF)=1, (2P)=0, (OF)=0C.(CF)=0, (SF)=0,
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