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指令执行后,设置的标志位CF和OF的值是() A: CF=0;OF=0 B: CF=l;OF=l C: CF=0;0F=1 D: CF=l;OF=0
指令执行后,设置的标志位CF和OF的值是() A: CF=0;OF=0 B: CF=l;OF=l C: CF=0;0F=1 D: CF=l;OF=0
已知(AL)=80H,ADD AL,0A0H指令执行后, CF和OF的值是( ) 。 A: CF=0 OF=1 B: CF=1 OF=1 C: CF=1 OF=0 D: CF=0 OF=0
已知(AL)=80H,ADD AL,0A0H指令执行后, CF和OF的值是( ) 。 A: CF=0 OF=1 B: CF=1 OF=1 C: CF=1 OF=0 D: CF=0 OF=0
已知(AL)=88D,ADD AL,177D 指令执行后,CF和OF的值是( )。 A: (CF)=0 (OF)=1 B: (CF)=1 (OF)=0 C: (CF)=0 (OF)=0 D: (CF)=1 (OF)=1
已知(AL)=88D,ADD AL,177D 指令执行后,CF和OF的值是( )。 A: (CF)=0 (OF)=1 B: (CF)=1 (OF)=0 C: (CF)=0 (OF)=0 D: (CF)=1 (OF)=1
已知CF=0,AL=00H,执行指令SBB AL,1后,CF等于() A: 1 B: 2 C: 3
已知CF=0,AL=00H,执行指令SBB AL,1后,CF等于() A: 1 B: 2 C: 3
将光标定位在文件开始位置可以使用( )操作完成 A: lseek(fd,0,SEEK_SET) B: lseek(fd,0,SEEK_CUR) C: lseek(fd,0,SEEK_END) D: open(fd,O_RDWR)
将光标定位在文件开始位置可以使用( )操作完成 A: lseek(fd,0,SEEK_SET) B: lseek(fd,0,SEEK_CUR) C: lseek(fd,0,SEEK_END) D: open(fd,O_RDWR)