设(SS)=2000H,(SP)=0100H,(AX)=2107H,则执行指令PUSH AX后,存放数据21H的物理地址是()
设初值AX=6264H,CX=0004H,在执行下列程序段后AX=() AND AX, AX JZ DONE SHL CX, 1 ROR AX, CL DONE: OR AX, 1234H
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