检测题3.1

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MOV AX, 1
MOV DS, AX
MOV AX, [0000]    AX = 2662H
MOV BX, [0001]    BX = E626H
MOV AX, BX         AX = E626H
MOV AX, [0000]    AX = 2662H
MOV BX, [0002]     BX = D6E6H
ADD AX, BX        AX = FD48H
ADD AX, [0004]     AX = 2C14H
MOV AX, 0         AX = 0000H
MOV AL, [0002]     AX = 00E6H
MOV BX, 0          BX = 0000H
MOV BL, [000C]     BX = 0026H
ADD AL, BL         AX = 000CH

(1)(2)
MOV AX, 6622H     CS = 2000H IP = 0003H AX = 6622H
JMP 0FF0:0100      CS = 0FF0H IP = 0100H AX = 6622H
MOV AX, 2000H      CS = 0FF0H IP = 0103H AX = 2000H
MOV DS, AX         CS = 0FF0H IP = 0105H AX = 2000H DS = 2000H
MOV AX, [0008]    CS = 0FF0H IP = 0108H AX = C389H DS = 2000H
MOV AX, [0002]     CS = 0FF0H IP = 010BH AX = E166H DS = 2000H
程序和数据在内存中没有区别，被CS和IP指向的内存区域存储的内容被当做代码，被DS和[偏移地址]指向的内存区域存储的内容被当做数据。