题目内容
(请给出正确答案)
[主观题]
设初值AX=0119H,执行下列程序段后,AX=? MOV CH,AH ADD AL,AH DAA XCHG AL,CH ADC AL,34H DAA
设初值AX=0119H,执行下列程序段后,AX=?
MOV CH,AH
ADD AL,AH
DAA
XCHG AL,CH
ADC AL,34H
DAA
MOV AH,AL
MOV AL,CH
HLT
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设初值AX=0119H,执行下列程序段后,AX=?
MOV CH,AH
ADD AL,AH
DAA
XCHG AL,CH
ADC AL,34H
DAA
MOV AH,AL
MOV AL,CH
HLT
已知(DS)=091DH,(SS)=1E4AH,(AX)=1234H,(BX)=0024H,(CX)=5678H,(BP)=0024H,(SI)=0012H,(DI)=0032H,(09226H)=00F6H,(09228H)=1E40H,(1E4F6H)=091DH。下列各指令或程序段分别执行后得结果如何?(互评需要达到5次) (1)LEA BX,20H[BX][SI] MOV AX,2[BX] (2)LDS SI,[BX][DI] MOV [SI],BX
执行下列程序段 a$="visual Basic Programming" b$="C++" C$=UCase(Left$(a$,7))&b$&Right$(a$,1 2)后,变量c$的值为()。
A.Visual BASIC Programming
B.VISUAL C++Programming
C.Visual C++Programming
D.VISUAL BASIC Programming
e{N=a+b;}
A.3
B.-3
C.9
D.15
A.ADC AX ,0
B.SHL AX ,1
C.ROL AX ,1
D.RCL AX,1