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签到天数: 18 天 [LV.4]偶尔看看III
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1. 下列指令序列不能够实现把内存地址0:202h中的字节数据送入al功能的是______。C、mov ax,0 mov ds,ax mov bp,202h mov al,[bp]
D、mov ax,0 mov ds,ax mov bp,200h mov al,ds:[bp+2]A、mov ax,0
mov ds,ax
mov bx,202h
mov al,[bx]B、mov ax,0
mov ds,ax
mov bx,200h
mov al,[bx+2]2. 下列指令不合理的是______。A、mov ds:[0ffh],alB、mov ds:[0ffh],axC、mov ds:[0ffh],0ffhD、push ds:[0ffh]3. mov dx,0
mov ax,1001
mov bx,100
div bl
以上四条指令执行完后,ah值是_____。A、1 B、10 C、1001 D、04. 对如下程序:
assume cs:codesg,ds:datasg
datasg segment
dd 123456h
dw 789h,0h
datasg ends
codesg segment
start: mov ax,datasg
mov ds,ax
mov ax,ds: |
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