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

如果执行指令前,(DS)=1000H,(10100H)=0200H,(10102H)=2000H,则执行LDS SI,[100H]指令后,(DS)=______。

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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

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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

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

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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)=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?