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

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


相关考题:

若(BX)=1000H,(DS)=2000H,(21000H)=12H,(21001H)=34H,执行LEA SI,[BX]指令后,SI寄存器中的内容是______。A.1234HB.3412HC.1000HD.0010H

若(BX)=1000H,(DS)=2000H,(21000H)=12H,(21001H)=34H,执行LEASI,[BX],指令后,SI寄存器的内容是A.1234HB.3412HC.1000HD.0010H

若(DX)=1000H,(DS)=2000H,(210000H)=12H,(21001H)=34H,执行LEA SI, [BX]指令后,SI寄存器的内容是______。A.1234HB.3412HC.1000HD.0010H

若(BX)=1000H,(DS)=2000H,(21000H)=12H,(21001H)=34H,执行 LEA SI,[BX]指令后,SI寄存器的内容是( )。A.1234HB.3412HC.1000HD.0010H

已知BX=2000H,DS=1000H,(12000H)=34H,端口(2000H)=45H,问执行完指令MOVAL,(BX)后AL的内容是()。A.34HB.45HC.34D.2000H

已知BX=2000H,DS=1000H,(12000H)=34H,端口(2000H)=45H,问执行完指令MOVAL,(BX)后AL的内容是()。A、34HB、45HC、34D、2000H

已知:BX=1357H,DI=2000H,DS=2000H,CS=4000H,分别指出下面各指令中存储器操作数的物理地址。 (1)MOVAL,[BX] (2)MOVCS:[BX+DI],AH

计算物理地址:   已知段地址和操作数的有效地址,怎样计算操作数的物理地址?    已知 DS=2000H , SS=1500H , SI=0150H , DI=0250H , BX=0020H , BP=0020H , DATA=0010H , COUNT=0050H , 指出下列指令中源操作数的物理地址:  (2)MOV   AX , [BP]  (3)MOV   BX , [120H]  (4)MOV   CX , DATA[DI]  (5)MOV   AX , COUNT[BX][SI]

假设(DS)=2000H,(BX)=1256H,(SI)=528FH,位移量TABLE=20A1H,(232F7H)=3280H,(264E5H)=2450H,则执行指令JMP.BX后,(IP)=()执行指令JMP.TABLE[BX][SI]后,(IP)=();执行指令JMP.[BX][SI]后,(IP)=()。

若DS=6000H,SS=5000H,ES=4000H,SI=0100H,BX=0300H,BP=0400H,D=1200H,数据段中变量名NUM的偏移地址为0050H,试指出下列源操作数的寻址方式和物理地址是多少:MOV AX,[BX+SI]

已知(DS)=2000H,(ES)=4500H,(SI)=0A20H,(BX)=0400H,(SS)=3000H,(BP)=0020H,数据段中的字单元COUNT偏移地址为0020H,那么MOVAX,ES:[BX]指令的源操作数的寻址方式是什么?其物理地址是多少?

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 AX,1100H[BX][SI]指令单独执行后,AX为多少?

已知(DS)=2000H,(ES)=4500H,(SI)=0A20H,(BX)=0400H,(SS)=3000H,(BP)=0020H,数据段中的字单元COUNT偏移地址为0020H,那么MOV AX,COUNT[BX][SI]指令的源操作数的寻址方式是什么?其物理地址是多少?

给定寄存器及存储单元的内容为:(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100)=32H,(20101)=51H,(20102)=26H,(20103)=83H,(21200)=1AH,(21201)=B6H,(21202)=D1H,(21203)=29H。试说明下列各条指令执行完后,AX寄存器中保存的内容是什么。 (1)MOVAX,1200H (2)MOVAX,BX (3)MOVAX,[1200H] (4)MOVAX,[BX] (5)MOVAX,1100H[BX] (6)MOVAX,[BX][SI]

若BX=1000H,DS=2000H,(21000H)=12H,(21001H)=34H。执行MOV SI,[BX]指令后SI=()A、1234HB、3412HC、1000HD、0010H

已知DS=2000H,BX=3000H,SI=4000H。执行完毕MOV AL,[BX+SI]之后,将()存储单元的内容送到AL寄存器去。A、27000HB、27001HC、9000HD、9001H

已知(BX)=1234H,(DS)=1000H,(SI)=200H,(10221H)=3247H,指令LEA BX,[SI+21H]执行后BX寄存器的值为多少?

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,[1200H]指令单独执行后,BX为多少?

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,[BX]

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)MOVAX,1200H (2)MOVAX,BX (3)MOVAX,[1200H] (4)MOVAX,[BX] (5)MOVAX,1100H[BX] (6)MOVAX,[BX][SI] (7)MOVAX,1100H[BX][SI]

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]。

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,BX。

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]。

问答题已知:BX=1357H,DI=2000H,DS=2000H,CS=4000H,分别指出下面各指令中存储器操作数的物理地址。 (1)MOVAL,[BX] (2)MOVCS:[BX+DI],AH

填空题假设(DS)=2000H,(BX)=1256H,(SI)=528FH,位移量TABLE=20A1H,(232F7H)=3280H,(264E5H)=2450H,则执行指令JMP.BX后,(IP)=()执行指令JMP.TABLE[BX][SI]后,(IP)=();执行指令JMP.[BX][SI]后,(IP)=()。

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]。

问答题现有(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]