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大工20春《专业英语(计算机英语)》在线作业1

试卷总分:100 得分:100

一、判断题 (共 10 道试题,共 50 分)

1.The first generation computers were huge,slow,expensive,and often undependable.

2.The transistor computer did not last as long as the vacuum tube computer lasted, but it was less important in the advancement of computer technology.

3.Transistors were a tremendous breakthrough in advancing the computer.

4.However what really triggered the tremendous growth of computers and its significant impact on our lives is the invention of the microprocessor.

5.It wasn't until the 1980's that people began buying computer for personal use.

6.A computer can be broken down into three distinct categories, namely output,input and CPU.

7.The term 'output' consists of all components that display words and graphics so that a person can see them.

8.The keyboard is classified as a form of output.

9.Mouse belongs to input.

10.CPU is the soul of a computer.

二、单选题 (共 10 道试题,共 50 分)

11.The ENIAC used thousands of( ),which took up a lot of space and gave off a great deal of heat just like light bulbs do.

A.vacuum tubes

B.integrated circuits

C.chips

D.switches

12.In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at( )invented the transistor computer.

A.Baidu

B.Microsoft

C.AT&T's Bell Labs

D.Yahoo

13.Most electronic devices today use some form of( )placed on printed circuit boards.

A.trigger

B.kit

C.microprocessor

D.integrated circuits

14.The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ).

A.microprocessor

B.transistor

C.chip

D.circuit

15.The( )led to the invention of personal computers,or microcomputers.

A.microprocessor

B.transistor

C.chip

D.circuit

16.The software and hardware components of a computer( ).

A.function independently

B.can never be coordinated

C.rely on each other and support each other

D.none of the above

17.Accessing data from a floppy disk is called( )data.

A.printing

B.reading

C.writing

D.listening

18.A location in RAM memory is accessed by its( )

A.contents

B.address

C.storage unit

D.storage capacity

19.RAM is a( )storage.

A.permanent

B.flash

C.temporary

D.expansion

20.Computers can only recognize( )signals.

A.analog

B.infrared ray

C.light

D.digital