答案查看网,轻松搜题/搜资源
登录
×
登录账号
记住密码
立即注册
忘记密码
×
注册
使用微信扫描二维码,获取账号密码后免费查看答案
前往登录
忘记密码
×
忘记密码
使用微信扫描下方二维码,即可找回您的账号密码
前往登录
立即注册
搜题/搜资源
【单选题】【消耗次数:1】
已知:A=D2H,(40H)=77H,执行指令:ORL A,40H后,其结果是:( )。
①
LCALL addr16
②
DJNZ direct,rel
③
SJMP rel
④
ACALL addr11
参考答案:
复制
纠错
相关题目
【单选题】
指令ADDC A,@R0 执行前(A)=38H,(R0)=30H,(30H)=FOH,(C)=1 执行后,其结果为( )。
①
(A)=92H (C)=1
②
(A)=92H (C)=0
③
(A)=8CH (C)=1
④
(A)=8CH (C)=0
查看完整题目与答案
【单选题】
指令MOV A,@R0,执行前(A)=86H,(R0)=20H,(20H)=18H,执行后( )。
①
A=77H
②
A=F7H
③
A=D2H
④
以上都不对
查看完整题目与答案
【单选题】
指令ADD A,R0 执行前(A)=38H,(R0)=54H,(C)=1 执行后,其结果为( )。
①
(A)=86H
②
(A)=20H
③
(A)=18H
④
(A)=00H
查看完整题目与答案
【单选题】
指令MOV R0, 20H执行前(R0)=30H,(20H)=38H,执行后(R0)=( ) 。
①
工作寄存器R0~R7
②
专用寄存器SFR
③
程序存贮器ROM
④
片内RAM的20H~2FH安节中的所有位和部分专用寄存器SFR的位
查看完整题目与答案
【单选题】
下面是一段汇编语言源程序,请指出程序运行后的结果是。ORG0000HMOVDPTR,#TABMOVA,#03HMOVCA,@A+DPTRSJMP$TAB:DB00H,01H,04H,09H,16H,25HEND
①
A=00H
②
A=03H
③
A=09H
④
A=25H
查看完整题目与答案
【单选题】
若已知(SP)=2000H,(AX)=0020H,则执行指令,PUSHAX后,(SP)和SS):(SP))的值分别为()
①
2002H,00H
②
2000H,20H
③
1FFFH,00H
④
1FFEH,20H
查看完整题目与答案
【单选题】
执行下列指令序列后,正确的结果是( ) MOV AL,81H ADD AL,AL ADC AL,AL
①
AL=05H
②
AL=204H
③
AL=04H
④
AL=205H
查看完整题目与答案
【判断题】
8086中有逻辑地址和物理地址,请将如下逻辑地址用物理地址表达:逻辑地址:FFFFH:0对应物理地址:0FFFF0H?逻辑地址:40H:17H对应物理地址:417H逻辑地址:2000H:4500H对应物理地址:24500H逻辑地址:B821H:4567H对应物理地址:CC777H
①
正确
②
错误
查看完整题目与答案
【单选题】
设物理地址(10FF0H)=10H,(10FF1H)=20H,(10FF2H)=30H,从地址10FF1H中取出一个字的内容是
①
1020H
②
3020H
③
2030H
④
2010H
查看完整题目与答案
【单选题】
已知BX=028AH,SI=0294H,(DS:051EH)=5432H。执行语句LEA BX,[BX+SI]后,BX中的内容是( )
①
051EH
②
5423H
③
1E05H
④
254H
查看完整题目与答案
随机题目
【单选题】
Confuciuswasafamousphilosopher ______ hasinfluencedtheworldgreatly.
①
whose
②
whom
③
which
④
who
查看完整题目与答案
【单选题】
All medicines should be kept out of____ of children.
①
touch
②
reach
③
get
④
attain
查看完整题目与答案
【单选题】
Every year, one student in our high school wins a scholarship that ____one year of college.
①
improves
②
subsidizes
③
obliges
④
inflicts
查看完整题目与答案
【单选题】
A talk on developments in science and technology_______in the school hall next week.
①
given
②
will be given
③
has been given
④
give
查看完整题目与答案
【单选题】
As to Grosvenor and Scott, she____ never to meet them again.
①
resolved
②
decide
③
determine
④
involved
查看完整题目与答案
【单选题】
I’ d like to start by____ myself to countries where English is the main language.
①
controlling
②
containing
③
restraining
④
restricting
查看完整题目与答案
【单选题】
I won’t apply for the job. I hear that they’re quite ____ about their personnel.
①
particular
②
especially
③
special
④
peculiar
查看完整题目与答案
【单选题】
Tom has been a vegetarian ____ principle for years.
①
in
②
on
③
for
④
by
查看完整题目与答案
【单选题】
His manner was so pleasant that Bolla felt at ____ with him at once.
①
peace
②
large
③
ease
④
best
查看完整题目与答案
【单选题】
Research findings show we spend about two hours dreaming every night, no matter what we _________ during the day.
①
must have done
②
would have done
③
should have done
④
may have done
查看完整题目与答案