已知CX=2000H,DS=4111H,SI=2111H,(43333H)=1234H,则指令执行XCHG CH,[SI+112H]之后AH的值为12H。
已知CX=2000H,DS=4111H,SI=2111H,(43333H)=1234H,则指令执行XCHG CH,[SI+112H]之后AH的值为12H。
参考答案和解析
4.0
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
执行下列指令后: MOV AX, 1234H MOV CL, 4 ROL AX, CL DEC AX MOV CX, 4 MUL CX HLT 寄存器AH的值是( )。A.92HB.8CHC.8DHD.OOH
已知(DS)=2000H,(SI)=32D4H,(EAX)=12345678H,执行指令MOV[SI],EAX后,存储单元2000:32D5H中的数据是( )A.12HB.34HC.56HD.78H
若(BX) =1000H, (DS) =2000H, (21000H) =12H, (21001H) =34H,执行LEASI, CDX)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寄存器中的内容是( )。A.1234HB.3412H.C.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
已知(32000H)=1234H,(32002H)=2345H,(DS)3000H,则MOV AX,[2000H]指令执行后,(AX)=()A、1234HB、3423HC、2345HD、4512H
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)=()。
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
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?
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 DX,1100H[BX]指令单独执行后,DX为多少?
设[2000H]、[2001H]、[2002H]、[2003H]这四个存储单元存放的地址分别为12H、34H、56H、78H,则执行完LES SI,[2000H]后,ES=(),SI=()。A、3412H;7856HB、1234H;7856HC、7856H;3412HD、7856H;1234H
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
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]。
单选题假定DS=1000H,AX=2000H,【1234H】=30H,【1235H】=40H当执行完MOVAX,【1234】指令后,AX的值为()。A4030HB3040HC1234HD2000H
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,[1200H]。
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]。
问答题已知AX=1234H,CX=0302H,CF=0,指出下述指令执行后的结果及标志位CF、SF、ZF、OF的值分别是多?