大工17秋《专业英语（计算机英语）》在线测试123参考
大工17秋《专业英语（计算机英语）》在线测试1一、单选题：1.（ ）, difference between the lowest and highest frequencies transmitted in a particular channel or system. (满分:4)
A.Amplitude
B.Bandwidth
C.Bridge
D.Network
正确答案:——B——
2.( ) also called a Personal computer or PC, defines a computer, which is designed for general use by a single person. It can perform all of its inputting, processing, outputting, and storage activities by itself. (满分:4)
A.Microcomputer
B.Supercomputer
C.Mainframe
D.Minicomputer
正确答案:——A——
3.( ) programs are used to recover deleted or damaged(corrupted) files. (满分:4)
A.Data recovery
B.System call
C.System crash
D.System software
正确答案:——A——
4.( ):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. (满分:4)
A.Asymmetric key
B.Symmetric key
C.Coputer virus
D.Digital signatures
正确答案:————
5.() refers to the physical equipment that can perform the basic functions contained within the data processing cycle. (满分:4)
A.Software
B.Hardware
C.Memory
D.CPU
正确答案:————
6.Which one is a word processing and text editing tool? (满分:4)
A.Photoshop
B.Word
C.Extreme 3D
D.Premiere
正确答案:————
7.( ) 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. (满分:4)
A.RAM
B.ROM
C.Input devices
D.Memory
正确答案:————
8.The first computers used （ ） for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. (满分:4)
A.vacuum tubes
B.transistors
C.integrated circuits
D.microprocessors
正确答案:————
9.（ ） performs arithmetic, comparison, and logic operations. It is one part of the CPU. (满分:4)
A.RAM
B.ROM
C.CPU
D.ALU
正确答案:————
10.( )(Pravate Key),in encryption, one key is used to both lock and unlock data. Compare with public key. (满分:4)
A.Asymmetric key
B.Symmetric key
C.Coputer virus
D.Digital signatures
正确答案:————
11.Processing is done inside the computer in an area called the ( ). (满分:4)
A.input devices
B.output devices
C.system unit
D.central processing unit
正确答案:————
12.A ( ) can be written to once. After that they can be read many times without deterioration but cannot be written on or erased. (满分:4)
A.CD-R
B.CD-ROM
C.CD-RW
D.DVD
正确答案:————
13.( ) provides reliable, full-duplex connections and reliable service by ensuring that data is resubmitted when transmission results in an error. (满分:4)
A.TCP
B.ARP
C.UDP
D.IP
正确答案:————
14.( ) is an outline of the logic of the program you will write. (满分:4)
A.Program flowcharts
B.Logic structures
C.Pseudocode
D.Design
正确答案:————
15.Linux is an operating system similar to ( ) that is becoming more and more popular. (满分:4)
A.Windows 98
B.Windows 2000
C.Windows XP
D.Unix
正确答案:————
16.( ) shorts for Waveform. It is the audio file format of Microsoft, and it is the waveform sound file format in Windows defined by Microsoft. It is the most common file format of digital sound derived from sampling. (满分:4)
A.MIDI
B.WAV
C.RA
D.Audio
正确答案:————
17.In a ( ) network, all microcomputers and other communication devices are connected to a continuous loop. (满分:4)
A.bus
B.star
C.tree
D.ring
正确答案:————
18.（ ） have more storage capacity than diskettes and also offer faster access to the data they hold. (满分:4)
A.Hard disks
B.Optical disks
C.Zip disk
D.CD
正确答案:————
19.In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at( )invented the transistor computer. (满分:4)
A.Baidu
B.Microsoft
C.AT&T's Bell Labs
D.Yahoo
正确答案:————
20.( ), to send files from a user's microcomputer to another computer. Compare with download. (满分:4)
A.Upload
B.Telecommuting
C.Hypertext
D.Online service
正确答案:————
三、判断题：
21.Mouse belongs to output.（ ） (满分:2)
A.错误
B.正确
正确答案:————
22.CPU stands for Central Processing Unit. It performs the system's calculating and processing. (满分:2)
A.错误
B.正确
正确答案:————
23.LAN, communications network that covers a wide geographical area, such as a state or a country.() (满分:2)
A.错误
B.正确
正确答案:————
24.WWW 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. (满分:2)
A.错误
B.正确
正确答案:————
25.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. (满分:2)
A.错误
B.正确
正确答案:————
26.Object Oriented Programming(OOP) is a programming method that combines data and the instructions for processing that data into a self-sufficient \\\object\\\ that can be used in other programs.（） (满分:2)
A.错误
B.正确
正确答案:————
27.Windows versions before Windows 95 rely on DOS as the operating system.（ ） (满分:2)
A.错误
B.正确
正确答案:————
28.www.asp.com is an E-mail address. (满分:2)
A.错误
B.正确
正确答案:————
29.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. (满分:2)
A.错误
B.正确
正确答案:————
30.View shortcut menus by right-clicking with the mouse.（ ） (满分:2)
A.错误
B.正确
正确答案:————
大工17秋《专业英语（计算机英语）》在线测试2
一、单选题：
1.The two components of the CPU are connected by a kind of electronic roadway called a(an) （ ）. (满分:4)
A.USB
B.bus
C.port
D.keyboard
正确答案:——B——
2.The operation system ( ). (满分:4)
A.manages the disks and files
B.manages the computer's resources
C.manages the computer's memory
D.All of the above
正确答案:——D——
3.（） ,also known as service programs, perform specific tasks related to managing computer resources. (满分:4)
A.Utilities programs
B.System software
C.Operating system
D.none of the above
正确答案:——A——
4.（）: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. (满分:4)
A.Asymmetric key
B.Symmetric key
C.Coputer virus
D.Digital signatures
正确答案:————
5.A （） port is an interface that connects devices by transferring more than one bit at a time. (满分:4)
A.serial
B.parallel
C.USB
D.none of the above
正确答案:————
6.( ), software used in corporate networks (intranets and extranets) to prevent unauthorized people from accessing the network. (满分:4)
A.Firewall
B.Modem
C.Hypertext
D.TCP
正确答案:————
7.The common input devices are the （）and the keyboard. (满分:4)
A.printer
B.speaker
C.monitor
D.mouse
正确答案:————
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. (满分:4)
A.half-duplex
B.full-duplex
C.simplex
D.none of the above
正确答案:————
9.（）, the process of compressing a file such that,after being compressed and decompressed, it matches its original format bit for bit. (满分:4)
A.Lossy compression
B.Lossless compression
C.Bitmap
D.Vector image
正确答案:————
10.( ) have more storage capacity than diskettes and also offer faster access to the data they hold. (满分:4)
A.Hard disks
B.Optical disks
C.Zip disk
D.CD
正确答案:————
11.The ( ) is automatically loaded into RAM soon after you turn on, or \\\boot\\\ the computer. (满分:4)
A.application software
B.operating software
C.shell
D.compiler
正确答案:————
12.The ( ) isa 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. (满分:4)
A.Internet
B.WWW
C.ARPANET
D.ISP
正确答案:————
13.A（）is a cable which is capable of carrying signals representing data from one place to another. (满分:4)
A.bus
B.byte
C.bit
D.disk
正确答案:————
14.A backup program ( ). (满分:4)
A.makes a copy of files you select
B.returns you to the previous program
C.undoes the last change you made
D.None of the above
正确答案:————
15.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. (满分:4)
A.computer
B.CPU
C.input device
D.output device
正确答案:————
16.The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ). (满分:4)
A.microprocessor
B.transistor
C.chip
D.circuit
正确答案:————
17.We abbreviate Virtual Private Networks to ( ). (满分:4)
A.NIC
B.VPN
C.HUB
D.MODEM
正确答案:————
18.The technical development that marks the third generation of computers is the use of () in computers. (满分:4)
A.<p>vacuum tubes</p>
B.integrated circuits
C.transistors
D.virtual memory
正确答案:————
19.( ), interface that enables dissimilar networks to communicate with one another. (满分:4)
A.Gateway
B.Bridge
C.Bandwidth
D.none of the above
正确答案:————
20.ERP is ( ). (满分:4)
A.Enterprise resource planning software
B.Enterprise Application Integration
C.Electronic Application Integration
D.None of the above.
正确答案:————
三、判断题：
21.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.() (满分:2)
A.错误
B.正确
正确答案:————
22.CPU stands for Central Processing Unit. It performs the system's calculating and processing. (满分:2)
A.错误
B.正确
正确答案:————
23.An ISP is a company that provides access to the Internet. (满分:2)
A.错误
B.正确
正确答案:————
24.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. (满分:2)
A.错误
B.正确
正确答案:————
25.Device drivers are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.( ) (满分:2)
A.错误
B.正确
正确答案:————
26.A compilier issoftware that looks at an entire high-level program before translating it into machine language. (满分:2)
A.错误
B.正确
正确答案:————
27.A location in RAM memory is accessed by its address.（） (满分:2)
A.错误
B.正确
正确答案:————
28.The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of microprocessor.（） (满分:2)
A.错误
B.正确
正确答案:————
29.Software also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks. (满分:2)
A.错误
B.正确
正确答案:————
30.Java is a compiled object-oriented programming language used to write applets. (满分:2)
A.错误
B.正确
正确答案:————
大工17秋《专业英语（计算机英语）》在线测试3
一、单选题：
1.An ( ) is a monetary transcation from the customer to the vendor over the Internet by credit card, digital cash, e-wallets, and smart cards. (满分:4)
A.Electronic Commerce
B.Credit card
C.Online payment
D.none of the above
正确答案:——C——
2.The technical development that marks the third generation of computers is the use of () in computers. (满分:4)
A.<p>vacuum tubes</p>
B.integrated circuits
C.transistors
D.virtual memory
正确答案:——B——
3.( ), the process of changing plaintext data into enciphered text through an algorithm. (满分:4)
A.Decrypt
B.Encryption
C.Authenticate
D.Hacker
正确答案:——B——
4.( ), also called communications network; a system of interconnected computers, telephones, or other communications devices. (满分:4)
A.Protocol
B.Node
C.Packet
D.Network
正确答案:————
5.Processing is done inside the computer in an area called the ( ). (满分:4)
A.input devices
B.output devices
C.system unit
D.central processing unit
正确答案:————
6.A （）,also called a silicon chip or semiconductor,is a small piece of silicon that contains thousands of microminiature electronic circuit components, mainly transistors. (满分:4)
A.bus
B.chip
C.port
D.keyboard
正确答案:————
7.（） is the electronic device that interprets and carries out the basic instructions that operate the computer. (满分:4)
A.Processor
B.hardware
C.memory
D.CPU
正确答案:————
8.( ) also called a Personal computer or PC, defines a computer, which is designed for general use by a single person. It can perform all of its inputting, processing, outputting, and storage activities by itself. (满分:4)
A.Microcomputer
B.Supercomputer
C.Mainframe
D.Minicomputer
正确答案:————
9.The process of translating instructions into commands is called (). (满分:4)
A.decoding
B.register
C.digital
D.port
正确答案:————
10.A （）is a communication device that enables computers to communicate via telephone lines or cable. (满分:4)
A.modem
B.hardware
C.software
D.processor
正确答案:————
11.() is a way of transferring files over the Internet from one computer to another. (满分:4)
A.Internet
B.FTP
C.E-mail
D.ISP
正确答案:————
12.（ ）(Reduced Instruction Set Computer) refers to processors that support fewer instructions than CISC chips. The reduced number of instructions enables them to execute instructions faster. (满分:4)
A.CISC
B.RISC
C.RAM
D.ROM
正确答案:————
13.The first computers used （） for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. (满分:4)
A.vacuum tubes
B.transistors
C.integrated circuits
D.microprocessors
正确答案:————
14.（） (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. (满分:4)
A.JPEG
B.MPEG
C.MIDI
D.none of the above
正确答案:————
15.（） controls how you enter data or instructions and how information is displayed on the computer screen. (满分:4)
A.User interface
B.Language translators
C.Utilities programs
D.System software
正确答案:————
16.The standard protocol used for sending Internet e-mail is called ( ). It works in conjunction with POP servers. (满分:4)
A.SMTP
B.WWW
C.TCP
D.UDP
正确答案:————
17.The common input devices are the ( ) and the ( ). (满分:4)
A.keyboard,printer
B.keyboard,microphone
C.mouse,monitor
D.mouse,keyboard
正确答案:————
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. (满分:4)
A.Animation
B.WAV
C.Multimedia
D.none of the above
正确答案:————
19.( ) is an outline of the logic of the program you will write. (满分:4)
A.Program flowcharts
B.Logic structures
C.Pseudocode
D.Design
正确答案:————
20.A ( ) converts the programmer's procedural language program, called the source code, into a machine language code, called the object code. (满分:4)
A.Compiler
B.Assembler
C.Interpreter
D.Code generator
正确答案:————
三、判断题：
21.A bus is a cable which is capable of carrying signals representing data from one place to another.() (满分:2)
A.错误
B.正确
正确答案:————
22.Application software consists of programs that perform specific tasks for users.() (满分:2)
A.错误
B.正确
正确答案:————
23.The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of microprocessor.（） (满分:2)
A.错误
B.正确
正确答案:————
24.The ENIAC used thousands of vacuum tubes,which took up a lot of space and gave off a great deal of heat just like light bulbs do. (满分:2)
A.错误
B.正确
正确答案:————
25.Asymmetric key(Public Key),in encryption, one key is used to both lock and unlock data.() (满分:2)
A.错误
B.正确
正确答案:————
26.CPU is the soul of a computer. (满分:2)
A.错误
B.正确
正确答案:————
27.View shortcut menus by right-clicking with the mouse.（） (满分:2)
A.错误
B.正确
正确答案:————
28.ERP is Enterprise resource planning software. (满分:2)
A.错误
B.正确
正确答案:————
29.Device drivers are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.() (满分:2)
A.错误
B.正确
正确答案:————
30.A leased line is a line rented from a telephone company for the exclusive use of a customer to access Internet.( ) (满分:2)
A.错误
B.正确
正确答案:————
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