问题 单项选择题

若定义DAT DB'1234',执行指令MOV AX,WORD PTR DAT后,AX寄存器中的内容是

A.1234H

B.3412H

C.3132H

D.3231H

答案

参考答案:D

解析: 该题考查考生对汇编指令的理解。因为AX是16位的,可以存放两个字节,所以语句“MOV AX,WORD PTR DAT”将数据DAT的前两个字节(即12)传送到AX中,进入 AX又是先低字节后高字节的顺序,读出的时候又是先高字节后低字节,所以应该选择D。

阅读理解

Computer technology has become an important part of people’s life.This technology has its own special words.One well-known computer word is Google.It’s the name of a popular “search engineer(引擎)” for the Internet.People use the search engineer to find information about almost any subject on the Internet.The people who started the company named it Google because in math Google is a very large number-One hundred zeros follow the number one.When you “Google” a subject, you can get a lot of information about it.

If you Google someone, you might find that person’s name on a blog (博客).A blog is short for a Web log.It’s a personal Web page.Some people write blogs to express their opinions and ideas over the Internet.Some use them to share their lives with faraway friends or family.Others write blogs to help them deal with sickness, money problems or to choose movies to see or books to read.Some people add information to their blogs every day.People who have blogs are called bloggers.

根据短文内容, 判断下列句子的正误,正确的为“T”,错误的为“F”。并在答题卡上将答案涂黑。

小题1:Google and Blog are two kinds of popular search engineer.

小题2:.One can use Google to search the Internet for all information he wants.

小题3:.People may use blogs to share their opinions or ask others for help.

小题4:.Bloggers must add information to their blogs every day.

小题5:From the passage we can infer ( 推断) that computer technology is changing  people’s life.

单项选择题