若：MOV CL4 MOV AX 1234H分别执行下列指令后AX的值是多少？ SHL AX 1 AX= SAL AX CL AX= SHR AX1 AX= SAR AX CL AX=

执行指令后，AX的值分别是：

SHL AX, 1 (AX) = 1234H * 2 = 2468H SAL AX, CL (AX) = 1234H * (2^4) = 12340H SHR AX, 1 (AX) = 1234H / 2 = 61AH SAR AX, CL (AX) = 1234H / (2^4) = 123H