问题 问答题 简答题

存储器27256为32K*8位的EPROM芯片,它应有多少根地址线和数据线?在一个8088的存储器系统中,若该片的首地址为10000H,则末地址应为多少?

答案

参考答案:

①该EPROM芯片容量为32K*8215=32,故

应有15根地址线和8位数据线;

②该芯片占用地址数为32K=8000H个

8088的存储器系统为单体结构,若该片的首地址为10000H,则末地址应为10000H+8000H-1=17FFFH

阅读理解

阅读理解。

     Are you the only child in your family? If so,  you are the most important in  your family. Parents arc the

closest people to you in the world. But a lot of middle school students have  a problem. They feel  they're

not as  close to  their parents  as before.   They  even don't think parents are fair to them.  Some students

complain that their parents often say a lot to them, but never listen to them.  Some say  their parents don't

allow them to play computer games when other classmates are doing that. Others say when they're making phone calls to friends,  their  parents like  to ask if they  are speaking to a boy or a girl.  These make them

very unhappy. Some students even decide to leave home because they're  afraid to tell their parents when

they have done something wrong, especially when they do badly in exams. Then they usually think running away is the only choice. But they don't know running away may bring them more problems. Problems are parts of life.  Here is some advice for you to solve your problems.

① Find a good chance to talk with your parents. Don't be afraid of telling them your feelings.

② Get help from others like good friends or teachers. 

③ Keep a diary to help you understand more about yourself and your feelings.

④ Show your parents you're growing up. Then they'll feel you're no longer a small child. If you follow the advice, you'll have a happy life and never think of running away.

1. According to the article, ________are the closest people to the only child.  

A. teachers        

B. parents

C. classmates      

D. grandparents

2. Which of the following is TRUE?  

A. Parents don't love their children now.

B. Middle school students don't have any problems.

C. Some students don't think their parents are fair to them.

D. Finding a good chance to talk with parents is not useful at all.  

3. We'd better__________ if we have problems with them.

A. talk with our parents

B. quarrel with our parents

C. leave our parents

D. keep quiet

4. Why does the author advise us to keep a diary?

A. Because it's our homework.

B. Because it can help us practice writing.

C. Because it can help us understand ourselves better.

D. Because it will bring us success.

5. This article is about some middle school students'_________.

A. friends        

B. hobbies

C. parents        

D. problems

判断题