如果指令的运算结果为0,则()标志位为1。A、SFB、OFC、ZFD、CF
如果指令的运算结果为0,则()标志位为1。
- A、SF
- B、OF
- C、ZF
- D、CF
相关考题:
若X和Y均为无符号整数,且X≤Y,则依次执行MOV AX,X和CMP AX,Y指令后,标志位CF和ZF的状态是:A.CF=0且ZF=0B.CF=1且ZF=1C.CF=0或ZF=0D.CF=1或ZF=1
当执行完下列两条指令后,标志位CF和SF的值为()。MOVAL,0C4HADDAL,9DH当执行完下列两条指令后,标志位CF和SF的值为()。MOVAL,0C4HADDAL,9DH A、0,0B、1,1C、0,1D、1,0
若(AX)=0122H,四个标志位CF、SF、ZF、OF 的初始状态为0,执行指令SLIBAX,OFFFH后,这四个标志位的状态是( )。A.(CF)=0, (SF)=0, (ZF)=0, (OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
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, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=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, (ZP)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
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, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
填空题当进行加法或减法运算时,若最高位发生进位或借位,则CF=();标志寄存器的标志位ZF=1表示运算结果()