大工17春《专业英语(计算机英语)》在线测试2答案答案
大工17春《专业英语(计算机英语)》在线测试2
试卷总分:100 得分:100
一、 单选题 (共 20 道试题,共 80 分)
1. Two types of software are ( ) and application software.
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专业答案:----
A. system software
B. system call
C. system crash
D. system hardware
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满分:4 分
正确答案:A
2. ( ) is a device that functions as both a router and a bridge.
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A. Repeater
B. Switch
C. Gateway
D. Brouter
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满分:4 分
正确答案:D
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3. Linux is an operating system similar to ( ) that is becoming more and more popular.
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A. Windows 98
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B. Windows 2000
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C. Windows XP
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D. Unix
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满分:4 分
正确答案:D
4. 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.
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A. half-duplex
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B. full-duplex
C. simplex
D. none of the above
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满分:4 分
正确答案:C
5. A ( ) is a highly intelligent device that supports connectivity between both like and unlike LANs,and between LANs and WANs or MANs.
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A. router
B. repeater
C. switch
D. bridge
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满分:4 分
正确答案:A
6. ( ) also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks.
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A. Software
B. Hardware
C. Compiler
D. Interpreter
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满分:4 分
正确答案:A
7. In a ( ) network, all microcomputers and other communication devices are connected to a continuous loop.
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A. bus
B. star
C. tree
D. ring
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满分:4 分
正确答案:D
8. ( ), difference between the lowest and highest frequencies transmitted in a particular channel or system.
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A. Amplitude
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B. Bandwidth
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C. Bridge
D. Network
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满分:4 分
正确答案:B
9. ( ), the protocol for transferring HTML files on the Web.
A. HTML
B. ISP
C. Client
D. Server
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满分:4 分
正确答案:A
10. 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.
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A. half-duplex
B. full-duplex
C. simplex
D. none of the above
满分:4 分
正确答案:B
11. ( ), software used in corporate networks (intranets and extranets) to prevent unauthorized people from accessing the network.
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A. Firewall
B. Modem
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C. Hypertext
D. TCP
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满分:4 分
正确答案:A
12. ( ), 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).
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A. Server
B. Network
C. Modem
D. Gateway
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满分:4 分
正确答案:C
13. ( ) programs are used to recover deleted or damaged(corrupted) files.
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A. Data recovery
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B. System call
C. System crash
D. System software
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满分:4 分
正确答案:A
14. The CPU executes programs coded in a lower level language called the ( ).
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A. utility program
B. language translator
C. machine language
D. backup
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满分:4 分
正确答案: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.
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A. Amplitude
B. Frequency
C. Analog signals
D. Digital signals
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满分:4 分
正确答案:B
16. ( ) 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.
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A. LAN
B. WAN
C. MAN
D. None of the above
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满分:4 分
正确答案:A
17. 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
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满分:4 分
正确答案:A
18. ( ) is indicated by the height of a wave within a given period of time.
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A. Amplitude
B. Frequency
C. Analog signals
D. Digital signals
满分:4 分
正确答案:A
19. The ( ) is automatically loaded into RAM soon after you turn on, or "boot" the computer.
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A. application software
B. operating software
C. shell
D. compiler
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满分:4 分
正确答案:B
20. 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).
正确答案:----
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A. bus
B. star
C. tree
D. ring
满分:4 分
正确答案:B
大工17春《专业英语(计算机英语)》在线测试2答案标准满分答案
二、 判断题 (共 10 道试题,共 20 分)
1. Gateway, interface that enables dissimilar networks to communicate with one another.( )
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A. 错误
B. 正确
满分:2 分
正确答案:B
2. User interface controls how you enter data or instructions and how information is displayed on the computer screen.( )
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专业答案:----
A. 错误
B. 正确
满分:2 分
正确答案:B
3. Operating system is a set of programs that perform specific tasks for users.( )
A. 错误
B. 正确
满分:2 分
正确答案:B
4. LAN, communications network that covers a wide geographical area, such as a state or a country.( )
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A. 错误
B. 正确
满分:2 分
正确答案:A
5. Application software consists of programs that perform specific tasks for users.( )
A. 错误
B. 正确
满分:2 分
正确答案:B
6. Device drivers are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.( )
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A. 错误
B. 正确
满分:2 分
正确答案:B
7. C++ is an object-oriented programming language.( )
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A. 错误
B. 正确
满分:2 分
正确答案:B
8. Language translators convert the programming instructions into a language that computers understand and process.( )
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A. 错误
B. 正确
满分:2 分
正确答案:B
9. Upload, to send files from a user's microcomputer to another computer. Compare with download.( )
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A. 错误
B. 正确
满分:2 分
正确答案:B
10. Bridge, interface that enables WANs to communicate.( )
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专业答案:----
A. 错误
B. 正确
满分:2 分
正确答案:A
大工17春《专业英语(计算机英语)》在线测试2答案历年真题如下: