以下各数均为无符号数,请用小于(〈 )和大于(〉)比较他们的大小:327H 0A51H,8000H0AF3BH72H31H,80H 32H
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已知8位二进制数x1和x2的值,求[x1]补+[x2]补,并指出结果的符号,判断是否产生了溢出和进位。(1)x1= +0110011B, x2= +1011010B,[x1]补+[x2]补=, SF , OF= , CF 。(2)x1= -0101001B,x2= -1011101B,[x1]补+[x2]补=, SF ,OF= , CF 。(3)x1= +1100101B,x2= -1011101B,[x1]补+[x2]补=, SF ,OF= , CF 。
写出每条汇编指令执行后相关寄存器中的值(注意指令是前后关联的):mov ax,62627AX =mov ah,31HAX =mov al,23HAX =add ax,axAX =mov bx,826CHBX =mov cx,axCX =mov ax,bxAX =add ax,bxAX =mov al,bhAX =mov ah,blAX =add ah,ahAX =add al,6AX =add al,alAX =mov ax,cxAX =
SUB WORD PTR[AX], 3
A. 对
B. 错