奥鹏大连理工大学2013年秋《专业英语（计算机英语）》

一、单选题（共 20 道试题，共 80 分。）

1.  ( ), the protocol for transferring HTML files on the Web.

A. HTML

B. ISP

C. Client

D. Server

-----------------选择：A      

2.  In a ( ) network, all microcomputers and other communications devices are connected to a central hub, such as a file server or host computer, usually via (UTP).

A. bus

B. star

C. tree

D. ring

-----------------选择：B      

3.  Two types of software are ( ) and application software.

A. system software

B. system call

C. system crash

D. system hardware

-----------------选择：A      

4.  ( ) also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks.

A. Software

B. Hardware

C. Compiler

D. Interpreter

-----------------选择：A      

5.  ( ), short for modulator/demodulator, device that converts digital signals into a representation of analog form(modulation) to send over phone lines;a receiving modem then converts the analog signal back to a digital signal(demodulation).

A. Server

B. Network

C. Modem

D. Gateway

-----------------选择：C      

6.  Linux is an operating system similar to ( ) that is becoming more and more popular.

A. Windows 98

B. Windows 2000

C. Windows XP

D. Unix

-----------------选择：D      

7.  ( ) is a device that functions as both a router and a bridge.

A. Repeater

B. Switch

C. Gateway

D. Brouter

-----------------选择：D      

8.  ( ), software used in corporate networks (intranets and extranets) to prevent unauthorized people from accessing the network.

A. Firewall

B. Modem

C. Hypertext

D. TCP

-----------------选择：A      

9.  ( ) programs are used to recover deleted or damaged(corrupted) files.

A. Data recovery

B. System call

C. System crash

D. System software

-----------------选择：A      

10.  A ( ) is a highly intelligent device that supports connectivity between both like and unlike LANs,and between LANs and WANs or MANs.

A. router

B. repeater

C. switch

D. bridge

-----------------选择：A      

11.  A ( ) is software that looks at an entire high-level program before translating it into machine language.

A. compiler

B. interpreter

C. instruction

D. process

-----------------选择：A      

12.  The ( ) is automatically loaded into RAM soon after you turn on, or "boot" the computer.

A. application software

B. operating software

C. shell

D. compiler

-----------------选择：B      

13.  A ( ) channel allows simultaneous message exchange in both directions.It really consists of two simplex channels, a forward channel and a reverse channel,linking the same points.

A. half-duplex

B. full-duplex

C. simplex

D. none of the above

-----------------选择：B      

14.  In ( ) mode, the communication is unidirectional, like a one-way street. Only one of the two stations on a link can transmit;the other can only receive.

A. half-duplex

B. full-duplex

C. simplex

D. none of the above

-----------------选择：C      

15.  ( ) is the number of times a wave repeats during a specific time interval,that is how many times it completes a cycle in one second.

A. Amplitude

B. Frequency

C. Analog signals

D. Digital signals

-----------------选择：B      

16.  The CPU executes programs coded in a lower level language called the ( ).

A. utility program

B. language translator

C. machine language

D. backup

-----------------选择：C      

17.  ( ) is indicated by the height of a wave within a given period of time.

A. Amplitude

B. Frequency

C. Analog signals

D. Digital signals

-----------------选择：A      

18.  ( ), difference between the lowest and highest frequencies transmitted in a particular channel or system.

A. Amplitude

B. Bandwidth

C. Bridge

D. Network

-----------------选择：B      

19.  In a ( ) network, all microcomputers and other communication devices are connected to a continuous loop.

A. bus

B. star

C. tree

D. ring

-----------------选择：D      

20.  ( ) is an acronym for local area network.It is a group of computers and other devices dispersed over a relatively limited area and connected by a communications link.

A. LAN

B. WAN

C. MAN

D. None of the above

-----------------选择：A      

二、判断题（共 10 道试题，共 20 分。）

1.  Device drivers are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.( )

A. 错误

B. 正确

-----------------选择：B      

2.  LAN, communications network that covers a wide geographical area, such as a state or a country.( )

A. 错误

B. 正确

-----------------选择：A      

3.  Upload, to send files from a user's microcomputer to another computer. Compare with download.( )

A. 错误

B. 正确

-----------------选择：B      

4.  User interface controls how you enter data or instructions and how information is displayed on the computer screen.( )

A. 错误

B. 正确

-----------------选择：B      

5.  Application software consists of programs that perform specific tasks for users.( )

A. 错误

B. 正确

-----------------选择：B      

6.  Bridge, interface that enables WANs to communicate.( )

A. 错误

B. 正确

-----------------选择：A      

7.  Operating system is a set of programs that perform specific tasks for users.( )

A. 错误

B. 正确

-----------------选择：B      

8.  Gateway, interface that enables dissimilar networks to communicate with one another.( )

A. 错误

B. 正确

-----------------选择：B      

9.  Language translators convert the programming instructions into a language that computers understand and process.( )

A. 错误

B. 正确

-----------------选择：B      

10.  C++ is an object-oriented programming language.( )

A. 错误

B. 正确

-----------------选择：B