计算机专业英语单选题

1、精选优质文档-倾情为你奉上1. A D copy is a copy of a current file made in order to protect against loss or damage.备份拷贝是为了防止丢失或损坏而制作的当前文件的副本。A. softB.fileC.hardD.backup2.The most commonly used tool in the design phase is the D.在设计阶段最常用的工具是结构图A.topology chartB.flowchartsC.object-relationship chartD.structure chart

2、3. A refers to the parts of the computer that you can see and touch.硬件指的是你能看到和触摸到的电脑的各个部分A. HardwareB.InstructionC.HardshipD.Software4. if we want to retrieve data from the database with SQL,we should use the comand of D如果我们想用SQL从数据库中检索数据，我们应该使用comandA. insertB.updateC.deleteD.select5.Which of the f

3、ollowing is not the stages of programming?A下面哪个不是编程的阶段A. Print the program.B.Debug the program.C.Compile the program.D.Write a program.6.Multimedia will become increasingly _B_ throughout every aspect of our lives.多媒体将在我们生活的各个方面变得越来越普遍A. preciseB.pervasiveC.permitD.pass7.Communication through the In

4、ternet, the_C_ performs the reverse function.通过Internet进行通信，数据通信设备（DCE）执行反向功能。A. CRTB.A station controller (STACO)C.Data communications equipment (DCE)D.DTE8.High-level languages must first be translated into a(n) C language before they can be understood and processed by a computer高级语言必须首先被翻译成（n）机器语

5、言，然后才能被计算机理解和处理。A.AdvancedB.commonC.MachineD.Usual9.Data A can reduce the amount of data sent or stored by partially eliminating inherent redundancy.数据压缩可以通过部分消除固有的冗余来减少发送或存储的数据量。A. compressionB.configurationC.conversionD.compilation10.What does Tim Berners-Lee's description about Web 2.0 mean?

6、_D_蒂姆伯纳斯-伯纳斯关于web2.0的描述是什么意思？Web 2。0是万维网上的一场革命A.Web 2.0 is an entirely new concept.B.Web 2.0 is a very popular now.C.Web 2.0 is not defined clearly.D.web 2.0 is an revolution in the World Wide Web11.E-commerce do business through _D_.电子商务通过互联网和EDI进行业务A. wire-photoB.face-to-face meetingC.computerD.In

7、ternet and EDI12.When a _B_ is used, all the devices in the network are connected to a single cable.当使用总线网络时，网络中的所有设备都连接到单个电缆。A. networkB.bus networkC.star networkD.ring network13.A Dis used to communicate with another computer over telephone lines.调制解调器是用来与另一台计算机通过电话线进行通信的A. mouseB.printerC.keyboar

8、dD.modem14.J2EE is a single-language platform; calls from/to objects in other languages are possible through D, but this kind of support is not a ubiquitous part of the platform.J2EE是一个单一语言的平台;通过CORBA，可以使用其他语言的对象调用，但是这种支持并不是平台中普遍存在的一部分。A. CLRB.IISC.OMGD.CORBA15.(C )as a significant majority of marke

9、t share in the desktop微软Windows占桌面市场份额的绝大部分A. Mac OSB. unixC. Microsoft WindowsD. linux16.He insisted on leaving early (D ) I told him not to.他坚持要早走，尽管我告诉他不要这么做。A. butB.whenC.whileD.although17.primary memory which is stored on chips located D.存储在主板上的芯片上的主存A. on the CPUB.outsideC.inside the processor

10、D.on the motherboard18. what does " neural network " mean?C神经网络”是什么意思A. 精神网B.自然网络C.神经网络D.社会网络19. Hardware components are used for the purpose of (B ). 硬件组件用于上述所有的目的A. central processing B. all of the above C. input D. output20. Small as it is, a personal computer can perform the same progr

11、am instructions as ( C). 尽管它很小，但个人电脑可以执行与大型计算机相同的程序指令A. typewriter B. printers C. larger computers D. human beings21. The _A_ hidden in the infected system does not break out immediately; instead, it needs certain time or some condition before it breaks out. 隐藏在受感染系统中的病毒不会立即爆发;相反，它需要一定的时间或某种条件才能爆发。A

12、. virus B. file C. data D. software22. “Multimedia” means that _B_ . “多媒体”意味着它可以同时完成所有的工作。A. it can show a graph. B. it can do all above at the same time.B. C. it can play music D. it can rotate a three-dimensional model.23. D is an architectural framework. www是一个架构框架。A. Dns B. http C. ftp D. www25.

13、In the following devices, which is NOT included in the list of the core components of modern computers _B_ 在以下设备中，不包括在现代计算机晶体管的核心组件列表中。A. RAM B. Transistor (晶体管) C. Microprocessor D. Chip26.The larger the system of the computer, the greater its ( A). 计算机系统越大，存储容量就越大A. storage capacity B. neither A n

14、or B C. processing speed D. both A and B27. There are _B_ separate products that form the Windows 2000。 有四种独立的产品构成了Windows 2000。A. only one B. four C. two D. three28. The purpose of the A is to provide fully integrated analog services to users. AA的目的是为用户提供完全集成的模拟服务。A. ISDN B. HTTP C. WWW D. FTP29. M

15、ost operating system have a standard set of _A_ to handle the processing of all input and output instructions. 大多数操作系统都有一组标准的控制指令来处理所有输入和输出指令的处理A. control instructions B. spreadsheet C. I/O operation D. data table30. In the system development process, (C ) and pseudocode are tools used by programmer

16、s in the implementation phase. 在系统开发过程中，流程图和伪代码是程序员在实现阶段使用的工具A. object-relationship chart B. structure chart C. flowcharts D. toplogic chart31. Which of the following RDBMS is not open source according to this article? _B_ 根据本文，下列RDBMS中哪一个不是开源的A. MySQL B. SQL Server C. SQLite D. PostgreSQL32. A(n) D

17、 is usually a computer installed with the necessary software and allows two networks, each with a completely different set of protocols, to communicate. 网关通常是安装了必要软件的计算机，并允许两个网络，每个网络都有一个完全不同的协议集，用于通信。A. Router B. hub C. switch D. gateway33. A hardware or software malfunction can cause a system to (D

18、 ). 硬件或软件故障会导致系统崩溃A. crack B. crush C. collide D. crash34. A companys ability to deploy and support customer-oriented (B ) systems will be of vital importance to its prosperity. 一家公司部署和支持以客户为导向的电子商务系统的能力将对其繁荣至关重要。A. e-Learning B. e-Business C. e-Shopping D. e-Banking35. The abbreviation USB stands f

19、or Universal (B ) Bus. 通用串行总线的缩写是USB。A. Symmetric B. Serial C. Syntactic D. Sequential36. In the system development process, the code is written in the B phase. 在系统开发过程中，代码是在实现阶段编写的。A. testing B. implementation C. analysis D. design37. Visual Basic has Cversions. Visual Basic有三个版本。A. two B. one C. t

20、hree D. four38. He was glad to find the fire(B ) brightly. 他很高兴地发现火在熊熊燃烧。A. have bum B. burning C. burned D. to bum39. In the system development process, the system analyst defines the user, needs, requirements and methods in the (B ) phase.在系统开发过程中，系统分析人员在分析阶段定义用户、需求、需求和方法A. DesignB. analysisC. tes

21、tingD. implementation40. Chemical energy, (C ) from fuel or other matters, can be transformed into heat energy. 化学能，无论是燃料还是其他物质，都可以转化为热能。A. no matter how B. if or not C. whether D. not considered that41. Whereas a repeater operates only in the physical layer of the OSI model, a bridge operates in bo

22、th the physical layer and the A layer of the OSI model. A. data-link B. Physical Layer C. Transport Layer D. Network Layer42. Assembly-language instructions are a series of _D_. A. machine codes B. words C. 0s and 1s D. abstract codes43. Whereas the decimal system is based on 10, the D system is bas

23、ed on 2. There are only two digits in the latter system, 0 and 1. A.bilateral B. byte C. bit D. binary44.You can come with me to the museum this afternoon (B ) you dont mind walking for half an hour. A. so far as B. if C. unless D. except45._A is a storage location inside the processor. A. ALU B. Me

24、mory C. Control D. A register46. Which of the following items is NOT the traditional tools for artists in Painter? _A_ A. Color pencil B. Charcoal C. Felt pens C .Pattern pens47. if we want to retrieve data from the database with SQL,we should use the comand of ( A) A. selec B. updae C. inser D. del

25、ee48. The RGB value is composed of _D_ components. A. two B. four C. three D. one49. A _ B_ is a device that enables the computer to handle sounds. A. network card B. sound card C. monitor D. video card50. In the system development process, modularity is a very well-established principle used in the

26、 B phase. A. implementation B. design C. analysis D. testing51. All computers can perform basic machine operations under the control of (A ). A. programs B. commands C. instructions D. operations52. Many viruses go resident in the memory like a (A ). A. tsr program B. .exe file C. data file D. .com

27、file53. Which of the following events did happen latest in the development of Painter? _A_ A. Corel Painter Sketch Pad was launched B. Painter 1 2 was release B. Painter was acquired by Corel Corporation. D. “Floaters” were released with Palter54. Dis a word processing tool that helps you to creae q

28、uality documents. A. Outlook B. Excel C. Access D. Word55. With Windows, you can run several powerful applications at once and switch quickly ( A) them. A. among B. in C. between D. on56. According to Intel,there are Bstages in the evlolution of eBusiness. A. Three B. Four C. Two D. One57. Just a mi

29、nute, Im waiting for the computer to ( C) up. It wont take long to start it. A. scroll B. log C. boot D. activate58. _C_ is a fast and powerful operating system, based on the UNIX O.S.A. Windows 98 B. Office 2000 C. Linux D. Windows 200059. lease find the item that is not belong to the DBA _C_. A. i

30、ntegrity constrain specification B. schema definition C. DDL D. storage structure and access method definition60. The _C_ serves as an interface between hardware and software. A. application program B. system C. operating system D. control unit61. According to BusinessWeek, the attacks reported in t

31、he first half of 2003 nearly match previous year's total number . CA. 86404 B. 34,876 C. 76,404 D. 56,35462. Which of the following emerged first in the history of software engineering? _D_ A. Code repositories B. Commercial OOP language C. Extreme programming D. Optimizing inspections63. A(n) (

32、 ) is a connecting device that only regenerates the signal. CA. switch B. huB C. repeater D. router64. A(n) ( ) is usually a computer installed with the necessary software and allows two networks, each with a completely different set of protocols, to communicate. BA. huB B. gateway C. switch D. rout

33、er65. A computer virus is a computer program that is created to make and spread of itself.D A. files B. programs C. virus D. copies66. Trojan Horses . AA. allow hackers to take control over a particular system or to steal very important dataB. infect the computer without even having to click open em

34、ail attachment or any program. C. quickly replicate itself and gradually attache to files, programs or the hard drive. C. avoid the virus to attack computer67. A periodic refresh is needed to restore the information for the _A_ . A. DRAM B. SRAM C. EPROM D. EEPROM68. A virus is a D . A. bad man B. b

35、east C. computer D. program69. The display screen is the most common _C_ device used to show you what the computer is doing. A. input B. electronic C. output D. printing70. A Web site is often more effective as a(n) C tool than a selling tool. A. Electronical B. Politic C. Marketing D. Technica71. W

36、ell go to Paris for our holiday, (B ) it isnt too expensive. A. except B. unless C. so far as D. provided72. What does the phrase “frame-based” mean appearing at the beginning of the article? CA. All generations of Ethernet base on the same architecture formats and the same interfaces for higher lay

37、ers. B. All generation of Ethernet conform to the multi-layers structure of the OSI reference model. C. All generations of Ethernet are built on improving infrastructure from coaxial cable to twisted pair. D. All generations of Ethernet base on the same physical layer as the underlying frame.73. Ant

38、i-Virus protects your computer from viruses by ( C) your computers memory and disk devices. A. changing B. deleting C. scanning D. replacing74. C printers are being phased out and replaced by printers that can produce clean type. A. Drum B. Inkjet C. Dot-matrix D. Laser75. In SQL,(B )causes an objec

39、t (a table, for example) to be creaed within the database. A. ALTER B. creae C. drp D. TRUNCATE76. The largest and fastest computers are ( D). A. workstations B. hand-held PCs C. mainframe computers D. supercomputers77. These days it is not uncommon for one to see people using B everywhere-even on a

40、irplanes. A. microcomputers B. laptops C. desktops D. minicomputers78. To access a page on the WWW, one needs a (B ) that usually consists of three parts: a controller, a method, and an interpreter. A. password B. browser C. router D. code79. A C is a set of rules that controls the interaction of di

41、fferent devices in a network or internetwork. A. query B. dialog C. protocol D. model80. Each_C_ is a unit of both atomicity and consistency. A. schema details B. database C. transaction D. storage structure81. The distinction between the two terms gateway and B is disappearing. They are now used in

42、terchangeably. A. swtich B. router C. hub D. gateway82. The attributes of the stack are (A ). A. FIFO B. LIFO C. built into their circuitry D. queue83. The prisoners request (A ) more and better food is now consideration. A. for, under B. for, into C. for, on D. for, in84. Among the following produc

43、ts, which appeared the earliest during the computer software development history? AA. WordStar B. Space war C. MS-DOS D. VisiCalc spreadsheet85. A(n) translates all the source code of a program written in a high-level language into object code prior to the eecution of th program. AA. compiler B. int

44、erpreter C. assemblers86. Which of the following is RIGHT about the infection strategies of viruses? _B_A. All original viruses must modify the copies in metamorphic viruses for sprea B. The success of viruses all relies on their fast infection rate to sprea C. All viruses pretend that they are exec

45、utable files in order to replicate themselves.D. Viruses may take advantage of present network services to facilitate their sprea87. The OSI model has _A_ layers. A. seven B. four C. six D. five88. For some time, weve been experiencing some ( ) in this particular program. It cannot run in a normal w

46、ay. CA. defaults B. loops C. bugs D. routines89. The infamous “Michelangelo” D strikes thousands of computers every year on March 6th. A. cracker B. hacker C. disease D. virus90. One of the differences between C# and Java is that Java runs on any platform with a Java Virtual B while C# only runs in

47、Windows for the foreseeable future. A. Hardware B. Machine C. Program D. Software91. In the following descriptions, which is RIGHT about the functions of CPU socket? _A_ A. All above.B. A CPU socket houses a CPU on motherboar C. A CPU socket provides heat sink D. A CPU socket forms an interface both

48、 with the CPU and the PCB92. Videodisc and laser technology provide the ability to_B_ A. create some education files B. cost more B. store large amounts of data D. enhance other forms of education93. Which of the following is NOT attached to the motherboard via edge connectors and cables in a typica

49、l desktop computer? _A_ A. Microprocessors B. Controllers for video display B. Peripheral devices(外部设备) D. External storage94. In the case of a(n) D, a program is translated into eecutable form and eecuted one statment at a time rather than being translated completely before eecution. A. Debugger B.

50、 compiler C. assemblers D. interpreter95. _D_ uses commands that are easier for programmers to understand than are machine language commands. A. C language B. C+ language C. High-level language D. Assembly language96. ADO.NET is the ( ) model for .NET-based applications. (data access) AA. data acces

51、s B. data achieve C. data mining D. data process97. ( )that ,I could do it much better. AA. Were I do B. If I do C. Were I to do D. If I were do98. The raw data are stored on the disk using the _A_ . A. file system B. DBA C. DBMS D. data dictionary99. Why does the author give the example of Bliss? _

52、C_ A. To argue that the Bliss virus has characteristic of viruses as opposed to worms. B. To argue that the Bliss virus only remains chiefly a research curiosity. C. To argue that other operating systems may run viruses, not just Windows.D. To argue that the Bliss virus could be harmless even if use

53、r ran it on Unix.100. Confidentiality of the message is not enough in a secure communication; (D ) is also needed. The receiver needs to be sure of the senders identity. A. encryption B. authorization C. encapsulation D. authentication101. A(n) B is a sequence of code in a program eecuted repeatedly

54、,either fro a fixed number of times or until a certain condition is met. A. selected B. Loop102. The Whale will creae (D ) different versions of itself when it infects files. A. 32 B. 31 C. 30 D. 33103. A machine language is a(n) (B ) language in binary code that the computer can understand and eecu

55、te directly. A. flat level B. low-level C. B D. high-level104. Which one is not a computer languages? _C_ A. C+ B. C C. word 2000 D. PASCAL105. The abbreviation HTTP stands for Hypertext A Protocol. A. Transfer B. Transmission C. Transition D. Transportation106. Windows gives you more control over the _B_ you work. A. power B. operation C. energy D. way107. A mouse is a small device that a computer user pushes across a desk surface in order to point to a place on