已知(AX)=75A4H,CF=1,分别写出如下指令执行后的(AX)中结果: (1)ADD AX,08FFH (2)INC AX (3)SUB AX,4455H (4)AND AX,0FFFH (5)OR AX,0101H (6)SAR AX,1 (7)ROR AX,1 (8)ADC AX,5
已知(AX)=75A4H,CF=1,分别写出如下指令执行后的(AX)中结果: (1)ADD AX,08FFH (2)INC AX (3)SUB AX,4455H (4)AND AX,0FFFH (5)OR AX,0101H (6)SAR AX,1 (7)ROR AX,1 (8)ADC AX,5
写出每条汇编指令执行后相关寄存器的值 mov ax,62627 AX=________________ mov ah,31H AX=________________ mov al,23H AX=________________ add ax,ax AX=________________ mov bx,826CH BX=________________ mov cx,ax CX=________________ mov ax,bx AX=________________ add ax,bx AX=________________ mov al,bh AX=________________ mov ah,bl AX=________________ add ah,ah AX=________________ add al,6 AX=________________ add al,al AX=________________ mov ax,cx AX=________________
写出每条汇编指令执行后相关寄存器的值 mov ax,62627 AX=________________ mov ah,31H AX=________________ mov al,23H AX=________________ add ax,ax AX=________________ mov bx,826CH BX=________________ mov cx,ax CX=________________ mov ax,bx AX=________________ add ax,bx AX=________________ mov al,bh AX=________________ mov ah,bl AX=________________ add ah,ah AX=________________ add al,6 AX=________________ add al,al AX=________________ mov ax,cx AX=________________
对于8086CPU,正确的指令是( )。 A: mov ax,[bp+dx] B: mov<br/>ax,ds:[bp+bx] C: mov<br/>ax,ss:[si][di] D: mov ax,cs:6[si]
对于8086CPU,正确的指令是( )。 A: mov ax,[bp+dx] B: mov<br/>ax,ds:[bp+bx] C: mov<br/>ax,ss:[si][di] D: mov ax,cs:6[si]
DS=1000H,BX=0200H,SI=2,内存10200H-10205H 单元的内容分别是10H, 2AH, 3CH, 46H, 59H, 6BH 下列指令执行后,AX=? (1)MOV AX,0200H (2) MOV AX,[200H] (3)MOV AX,BX (4) MOV AX,3[BX] (5)MOV AX,[BX+SI] (6) MOV AX,2[BX+SI]
DS=1000H,BX=0200H,SI=2,内存10200H-10205H 单元的内容分别是10H, 2AH, 3CH, 46H, 59H, 6BH 下列指令执行后,AX=? (1)MOV AX,0200H (2) MOV AX,[200H] (3)MOV AX,BX (4) MOV AX,3[BX] (5)MOV AX,[BX+SI] (6) MOV AX,2[BX+SI]
说出下列汇编程序中源操作数与目的操作数的寻址方式(1) MOV AH,F5H;(2) MOV AX, F58AH;(3) MOV AX,[2000H];(4) MOV AX,[BX];(5) MOV AX,10[SI];(6) MOV AX,[SI]10;(7) MOV AX,10[SI 10];(8) MOV AX, [BX][SI];(9) MOV AX, 10[BX][SI];
说出下列汇编程序中源操作数与目的操作数的寻址方式(1) MOV AH,F5H;(2) MOV AX, F58AH;(3) MOV AX,[2000H];(4) MOV AX,[BX];(5) MOV AX,10[SI];(6) MOV AX,[SI]10;(7) MOV AX,10[SI 10];(8) MOV AX, [BX][SI];(9) MOV AX, 10[BX][SI];
设 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寄存器中的内容是多少? (1)MOV AX,1200H (2)MOV AX,BX (3)MOV AX,[1200H] (4)MOV AX,[BX] (5)MOV AX,[BX+1100H] (6)MOV AX,[BX+SI] (7)MOV AX,[BX+SI+1100H]
设 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寄存器中的内容是多少? (1)MOV AX,1200H (2)MOV AX,BX (3)MOV AX,[1200H] (4)MOV AX,[BX] (5)MOV AX,[BX+1100H] (6)MOV AX,[BX+SI] (7)MOV AX,[BX+SI+1100H]
执行下面的程序段后 AX=? TAB DW 1,2,3,4,5,6 ENTRY EQU 6 MOV BX,OFFSET TAB ADD BX,ENTRY MOV AX,[BX]
执行下面的程序段后 AX=? TAB DW 1,2,3,4,5,6 ENTRY EQU 6 MOV BX,OFFSET TAB ADD BX,ENTRY MOV AX,[BX]
DS=1000H,ES=2000H,SS=3500H,SI=00A0H,DI=0024H,BX=0100H,BP=0200H,数据段中变 量名为VAL 的偏移地址值为0030H,说明下列源操作数的寻址方式和物理地址? (1)MOV AX,[100H] (2) MOV AX,VAL (3)MOV AX,[BX] (4) MOV AX,ES:[BX] (5)MOV AX,[SI] (6) MOV AX,[BX+10H] (7)MOV AX,[BP] (8) MOV AX,VAL[BP][SI] (9)MOV AX,VAL[BX][DI] (10) MOV AX,[BP][DI]
DS=1000H,ES=2000H,SS=3500H,SI=00A0H,DI=0024H,BX=0100H,BP=0200H,数据段中变 量名为VAL 的偏移地址值为0030H,说明下列源操作数的寻址方式和物理地址? (1)MOV AX,[100H] (2) MOV AX,VAL (3)MOV AX,[BX] (4) MOV AX,ES:[BX] (5)MOV AX,[SI] (6) MOV AX,[BX+10H] (7)MOV AX,[BP] (8) MOV AX,VAL[BP][SI] (9)MOV AX,VAL[BX][DI] (10) MOV AX,[BP][DI]
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。(1) MOV AX, 1200H______ (2) MOV AX, BX______ (3) MOV AX, [1200H]______ (4) MOV AX, [BX]______ (5) MOV AX, 1100[BX]______ (6) MOV AX, [BX][SI]______ (7) MOV AX, 1100[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。(1) MOV AX, 1200H______ (2) MOV AX, BX______ (3) MOV AX, [1200H]______ (4) MOV AX, [BX]______ (5) MOV AX, 1100[BX]______ (6) MOV AX, [BX][SI]______ (7) MOV AX, 1100[BX][SI]______
设A为m×n矩阵,对n元非齐次线性方程组Ax=b,下列结论正确的是( ) A: 若AX=0只有零解,则AX=6一定有唯一解 B: 若AX=0有非零解,则AX=6有无穷多个解 C: 若r(A)=m,则AX=b一定有唯一解 D: 若AX=b有两个线性无关解,则AX=0一定有非零解
设A为m×n矩阵,对n元非齐次线性方程组Ax=b,下列结论正确的是( ) A: 若AX=0只有零解,则AX=6一定有唯一解 B: 若AX=0有非零解,则AX=6有无穷多个解 C: 若r(A)=m,则AX=b一定有唯一解 D: 若AX=b有两个线性无关解,则AX=0一定有非零解