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现有(DS)=2000H ,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=0B7H,(21203H)=65H,说明下列指令执行后AX寄存器的内容。   (1)MOV  AX,1200H  (2)MOV  AX,BX   (3)MOV AX,[1200H]   (4)MOV  AX,[BX]  (5)MOV  AX,1100H[BX]   (6)MOV  AX,[BX][SI]   (7)MOV  AX,1100H[BX][SI]


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更多 “ 现有(DS)=2000H ,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=0B7H,(21203H)=65H,说明下列指令执行后AX寄存器的内容。   (1)MOV  AX,1200H  (2)MOV  AX,BX   (3)MOV AX,[1200H]   (4)MOV  AX,[BX]  (5)MOV  AX,1100H[BX]   (6)MOV  AX,[BX][SI]   (7)MOV  AX,1100H[BX][SI]” 相关考题
考题 阅读以下有关80X86汇编语言的叙述,回答问题1和问题2,将解答填入对应栏内。【说明】本题由两部分组成,第一部分为计算AX寄存器的值,第二部分为判错题。已知DS=2000H,BX=0100H,SI=0002H,存储单元[20100H]到[20103H]依次存放12H、34H、56H、78H,[21200H]~[21203H]依次存放2AH、4CH、B7H、65H,说明下列每一条指令执行后AX寄存器的内容。(1)MOV AX,[1200H](2)MOV AX,[BX](3)MOV AX,[BX+1100H](4)MOV AX,[BX+SI](5)MOV AX,[BX][SI+1100H]

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考题 指出下列指令的错误(1)MOV.AH,BX(2)ADD.15H,BX(3)MOV.CS,AX(4)MOV.AX,[SI][DI](5)MOV.BYTEPTR[BX],1000

考题 已知:DS=2000H,BX=0300H,SI=0002H,(20300H)=12H,(20301)=34H,(20302H)=56H,(20303H)=78H,(21400H)=2AH,(21401H)=4CH,(21402H)=B7H,(21403H)=65H 试说明下列指令执行完后AX寄存器的内容:MOV  AX,1400H

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考题 设有关寄存器及存储单元的内容为:DS=2000H,BX=0100H,AX=1200H,SI=0002H,[20100H]=12H,[20101H]=34H,[20102H]=56H,[20103H]=78H,[21200H]=2AH,[21201H]=4CH,[21202H]=0B7H,[21203H]=65H,若MOV [BX][SI],AL指令单独执行后,[20102H]为多少?

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考题 完成同指令XCHG AX,BX相同功能的指令或指令序列是()。A、MOV AX,BXB、MOV BX,AXC、PUSH AX POP BXD、MOV CX,AX MOV AX,BX MOV BX,CX

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考题 问答题指出下列指令的错误(1)MOV.AH,BX(2)ADD.15H,BX(3)MOV.CS,AX(4)MOV.AX,[SI][DI](5)MOV.BYTEPTR[BX],1000

考题 问答题现有(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=B7H,(21203H)=65H,试说明下列各条指令执行完后AX寄存器的内容。MOV AX,[1200H]。

考题 问答题现有(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=B7H,(21203H)=65H,试说明下列各条指令执行完后AX寄存器的内容。MOV AX,1100[BX][SI]。