大工13秋《专业英语(计算机英语)》在线测试2

单选题 判断题

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