在线测试答案大工12秋《专业英语（计算机英语）》
大工12秋《专业英语（计算机英语）》在线测试1试卷总分：100 测试时间：-- 试卷得分：100
一、判断题（共10道试题，共20分。）得分：20
1.Memory also called main memory, primary storage, RAM, is an internal storage area in the computer, where data and programs designed for immediate processing are held.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
2.Information is summarized data or manipulated data.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
3.Data consists of the raw facts and figures that are processed into information.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
4.A bus is a cable which is capable of carrying signals representing data from one place to another.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
5.Output devices are peripherals that allow users to enter data, programs, commands, and user responses into a computer and transform them into a suitable form for processing.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
6.USB port is a new industry wide standard that will eventually eliminate the need to install adapter cards.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
7.Software refers to the physical equipment that can perform the basic functions contained within the data processing cycle.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
8.ASCII stands for American Standard Code for Information Interchange.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
9.Input devices are hardware components that can convey information to a user in a form that they can use.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
10.Hardware is a computer program made up of a sequence of detailed instructions designed to direct a computer to perform certain functions.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
二、单选题（共20道试题，共80分。）得分：80
1.The fourth generation of computer is ( ).
A. vacuum tubes
B. transistors
C. integrated circuits
D. microprocessors
答案:
满分：4分得分：4
2.The ( ) is the communications medium for the entire computer system.
A. system board
B. input
C. output
D. bus
答案:
满分：4分得分：4
3.( ) stands for Random Access Memory.It is the main location for holding programs and data that the CPU is presently processing.
A. RAM
B. ROM
C. input devices
D. memory
答案:
满分：4分得分：4
4.( ) are output devices that print characters, symbols, and graphics on a physical medium such as paper and a transparency file.
A. Flat panel monitors
B. Printers
C. Keyboards
D. Pointing device
答案:
满分：4分得分：4
5.( ) can be in the form of programs, commands and user responses.
A. Processor
B. Instructions
C. Mouse
D. Port
答案:
满分：4分得分：4
6.The two components of the CPU are connected by a kind of electronic roadway called a(an) ( ).
A. USB
B. bus
C. port
D. keyboard
答案:
满分：4分得分：4
7.( ) stands for Read Only Memory, it is the computer memory on which data has been prerecorded.
A. RAM
B. ROM
C. CPU
D. Memory
满分：4分得分：4
8.The process of translating instructions into commands is called ( ).
A. decoding
B. register
C. digital
D. port
答案:
满分：4分得分：4
9.The first computers used ( ) for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms.
A. vacuum tubes
B. transistors
C. integrated circuits
D. microprocessors
答案:
满分：4分得分：4
10.A ( ) is the primary input device. It is used for entering letters, numbers and commands into the system.
A. RAM
B. keyboard
C. output devices
D. memory
答案:
满分：4分得分：4
11.The first generation of computer is ( ).
A. vacuum tubes
B. transistors
C. integrated circuits
D. microprocessors
答案:
满分：4分得分：4
12.( ) are the peripherals that allow users to enter data, programs, commands, and user responses into a computer and transform them into a suitable form for processing.
A. RAM
B. ROM
C. Input devices
D. Memory
答案:
满分：4分得分：4
13.( ) have more storage capacity than diskettes and also offer faster access to the data they hold.
A. Hard disks
B. Optical disks
C. Zip disk
D. CD
答案:
满分：4分得分：4
14.( ) refers to the physical equipment that can perform the basic functions contained within the data processing cycle.
A. Software
B. Hardware
C. Memory
D. CPU
答案:
满分：4分得分：4
15.( ) is one of the components of the CPU, tells the rest of the computer system how to carry out a program's instructions.
A. Control unit
B. ALU
C. RAM
D. ROM
答案:
满分：4分得分：4
16.( ) stands for Central Processing Unit. It performs the system's calculating and processing.
A. computer
B. CPU
C. input device
D. output device
答案:
满分：4分得分：4
17.A ( ) is a cable which is capable of carrying signals representing data from one place to another.
A. bus
B. USB
C. port
D. keyboard
答案:
满分：4分得分：4
18.A ( ) is an electronic device that operates under the control of instructions stored in its own memory, which can according to specified rules, produce results,and store the results for future use.
A. computer
B. CPU
C. input device
D. output device
答案:
满分：4分得分：4
19.( ) is the electronic device that interprets and carries out the basic instructions that operate the computer.
A. Processor
B. hardware
C. memory
D. CPU
答案:
满分：4分得分：4
20.( ) performs arithmetic, comparison, and logic operations. It is one part of the CPU.
A. RAM
B. ROM
C. CPU
D. ALU
答案:
满分：4分得分：4
大工12秋《专业英语（计算机英语）》在线测试2
试卷总分：100 测试时间：-- 试卷得分：100
一、判断题（共10道试题，共20分。）得分：20
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
答案:
满分：2分得分：2
2.Language translators convert the programming instructions into a language that computers understand and process.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
3.Bridge, interface that enables WANs to communicate.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
4.Application software consists of programs that perform specific tasks for users.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
5.Gateway, interface that enables dissimilar networks to communicate with one another.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
6.User interface controls how you enter data or instructions and how information is displayed on the computer screen.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
7.C++ is an object-oriented programming language.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
8.LAN, communications network that covers a wide geographical area, such as a state or a country.( )
A. 错误
B. 正确
答案:A
满分：2分得分：2
9.Upload, to send files from a user's microcomputer to another computer. Compare with download.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
10.Operating system is a set of programs that perform specific tasks for users.( )
A. 错误
B. 正确
答案:
满分：2分得分：2
二、单选题（共20道试题，共80分。）得分：80
1.In a ( ) network, all microcomputers and other communication devices are connected to a continuous loop.
A. bus
B. star
C. tree
D. ring
答案:
满分：4分得分：4
2.Two types of software are ( ) and application software.
A. system software
B. system call
C. system crash
D. system hardware
答案:
满分：4分得分：4
3.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
答案:
满分：4分得分：4
4.( ), 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
答案:
满分：4分得分：4
5.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
答案:
满分：4分得分：4
6.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
答案:
满分：4分得分：4
7.( ) 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
答案:
满分：4分得分：4
8.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
答案:
满分：4分得分：4
9.( ) programs are used to recover deleted or damaged(corrupted) files.
A. Data recovery
B. System call
C. System crash
D. System software
答案:
满分：4分得分：4
10.( ) 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
答案:
满分：4分得分：4
11.( ) is indicated by the height of a wave within a given period of time.
A. Amplitude
B. Frequency
C. Analog signals
D. Digital signals
答案:
满分：4分得分：4
12.( ) 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
答案:
满分：4分得分：4
13.The CPU executes programs coded in a lower level language called the ( ).
A. utility program
B. language translator
C. machine language
D. backup
答案:
满分：4分得分：4
14.( ), the protocol for transferring HTML files on the Web.
A. HTML
B. ISP
C. Client
D. Server
答案:
满分：4分得分：4
15.( ), difference between the lowest and highest frequencies transmitted in a particular channel or system.
A. Amplitude
B. Bandwidth
C. Bridge
D. Network
答案:
满分：4分得分：4
16.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
答案:
满分：4分得分：4
17.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
答案:
满分：4分得分：4
18.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
答案:
满分：4分得分：4
19.( ) is a device that functions as both a router and a bridge.
A. Repeater
B. Switch
C. Gateway
D. Brouter
答案:
满分：4分得分：4
20.( ), software used in corporate networks (intranets and extranets) to prevent unauthorized people from accessing the network.
A. Firewall
B. Modem
C. Hypertext
D. TCP
答案:
满分：4分得分：4
大工12秋《专业英语（计算机英语）》在线测试3
试卷总分：100 测试时间：-- 试卷得分：100
一、判断题（共10道试题，共20分。）得分：20
1.An ISP is a company that provides access to the Internet.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
2.A leased line is a line rented from a telephone company for the exclusive use of a customer to access Internet.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
3.TCP/IP is the suite of communications protocols used to connect computers on the Internet.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
4.A credit card is a plastic card that allows the holder to obtain goods and services on credit terms without the immediate requirement to pay cash.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
5.An online payment is a monetary transcation from the customer to the vendor over the Internet by credit card, digital cash, e-wallets, and smart cards.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
6.EDI is a set of computer interchange standards for business documents such as invoices, bills, and purchase orders.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
7.Symmetric key(Private Key):In encryption, a two-key system in which the key used to lock data is made public, so everyone can "lock".A second private key is used to unlock or decrypt.( )
A. 错误
B. 正确
答案:A
满分：2分得分：2
8.Electronic Commerce means buying and selling products and services online via the Internet.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
9.Asymmetric key(Public Key),in encryption, one key is used to both lock and unlock data.( )
A. 错误
B. 正确
答案:A
满分：2分得分：2
10.A Domain Name System is an Internet service that translates domain names to or from IP addresses.( )
A. 错误
B. 正确
答案:B
满分：2分得分：2
二、单选题（共20道试题，共80分。）得分：80
1.( ) (Joint Photographic Experts Group), standard for compressing continuous-tone still pictures. It does not handle black-and-white images, nor does it handle motion picture compression.
A. JPEG
B. MPEG
C. MIDI
D. none of the above
答案:
满分：4分得分：4
2.Which one is a word processing and text editing tool( )
A. Photoshop
B. Word
C. Extreme 3D
D. Premiere
答案:
满分：4分得分：4
3.( ) is a computer technology that creates three dimensional real illusion in an artificial world.
A. Vector image
B. Bitmap
C. JPEG
D. Virtual Reality
答案:
满分：4分得分：4
4.( ) ,conversion of either encoded or enciphered text into plaintext.
A. Decrypt
B. Encryption
C. Authenticate
D. Hacker
答案:
满分：4分得分：4
5.( ) is the messages, usually text, send from one person to another via the Internet.
A. TCP/IP
B. Telnet
C. FTP
D. E-mail
答案:
满分：4分得分：4
6.( ), a secret code assigned to a user which is known by the computer system. Knowledge of the password associated with the user ID is considered proof of authorization.
A. Hacker
B. Password
C. DES
D. Authenticate
答案:
满分：4分得分：4
7.( ) (Motion Picture Experts Group) standards are the main algorithms used to compress videos.Due to the fact that movies contain both images and sound, it can compress both audio and video.
A. JPEG
B. MPEG
C. MIDI
D. none of the above
答案:
满分：4分得分：4
8.( ), which stands for Motion Picture Experts Group (MPEG) Layer 3, is rapidly becoming the standard for music transmission via Internet.
A. MP3
B. MP4
C. JPEG
D. AVI
答案:
满分：4分得分：4
9.( ), executable code that, when run by someone, infects other executable code in a computer.
A. Computer Security
B. Digital signatures
C. Computer virus
D. none of the above
答案:
满分：4分得分：4
10.The ( ) was the precursor to the Internet. Developed in the late 1960's and early 1970's by the U.S. Department of Defence as an experiment in wide-area-networking that would survive a nuclear war.
A. ARPANET
B. Apple
C. Microsoft
D. None of the above
答案:
满分：4分得分：4
11.( ) is a protocol that lets a user log in to a remote computer and use programs and data that the remote owner has made available, just as if it were their own computer.
A. FTP
B. WWW
C. Telnet
D. NSFNET
答案:
满分：4分得分：4
12.( ) is a way of transferring files over the Internet from one computer to another.
A. Internet
B. FTP
C. E-mail
D. ISP
答案:
满分：4分得分：4
13.The ( ) is a worldwide system of computer networks in which any one computer can get information from/or talk to any other connected computer using the TCP/IP protocols.
A. Internet
B. WWW
C. ARPANET
D. ISP
答案:
满分：4分得分：4
14.( ), the process of changing plaintext data into enciphered text through an algorithm.
A. Decrypt
B. Encryption
C. Authenticate
D. Hacker
答案:
满分：4分得分：4
15.( ) stands for "World Wide Web"; it is the large global collection of Internet servers which support hypertext documents coded in HTML, and transferred via HTTP.
A. Internet
B. WWW
C. ARPANET
D. ISP
答案:
满分：4分得分：4
16.( ), referring to a person who breaks into computer systems for the challenge or steal computer resources or corrupt a computer's data.
A. Hacker
B. Password
C. DES
D. Authenticate
答案:
满分：4分得分：4
17.( ), the process of compressing a file such that,after being compressed and decompressed, it matches its original format bit for bit.
A. Lossy compression
B. Lossless compression
C. Bitmap
D. Vector image
答案:
满分：4分得分：4
18.( ) will provoke radical changes in the teaching process during the coming decades, particularly as smart students discover they can go beyond the limits of traditional teaching methods.
A. Animation
B. WAV
C. Multimedia
D. none of the above
答案:
满分：4分得分：4
19.( ), technological and managerial procedures applied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system.
A. Computer Security
B. Digital signatures
C. Computer virus
D. none of the above
答案:
满分：4分得分：4
20.( ), the process of compressing a file such that some data is lost after the file is compressed and decompressed.
A. Lossy compression
B. Lossless compression
C. Bitmap
D. Vector image
答案:
满分：4分得分：4
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