计算机英语试题
计算机英语考试题目及答案

计算机英语考试题目及答案一、选择题1. What does HTML stand for?a) Hyper Text Markup Languageb) High Technology Multimedia Languagec) Home Tool Management Languaged) Human Token Marker Language答案:a) Hyper Text Markup Language2. Which of the following is not a programming language?a) Javab) Pythonc) HTMLd) C++答案:c) HTML3. What is the purpose of CSS?a) To add interactivity to web pagesb) To structure the content of web pagesc) To define the layout and style of web pagesd) To create dynamic web pages答案:c) To define the layout and style of web pages4. What is the function of a router in a computer network?a) To connect computers to the internetb) To store and manage data on a networkc) To protect the network from security threatsd) To direct network traffic between devices答案:d) To direct network traffic between devices5. Which of the following is a commonly used database management system?a) Microsoft Wordb) Adobe Photoshopc) MySQLd) Windows Media Player答案:c) MySQL二、填空题1. The process of converting source code into machine code is called ________.答案:compilation2. The most widely used programming language for web development is ________.答案:JavaScript3. TCP/IP stands for ________.答案:Transmission Control Protocol/Internet Protocol4. The physical components of a computer are referred to as ________.答案:hardware5. SQL stands for ________.答案:Structured Query Language三、简答题1. What are the advantages of using cloud computing?答案:Cloud computing offers several advantages, including:- Cost savings: Companies can reduce their infrastructure costs by using cloud services instead of maintaining their own hardware.- Scalability: Cloud services can easily scale up or down based on demand, allowing businesses to only pay for what they need.- Flexibility: Users can access cloud services from anywhere with an internet connection, enabling remote work and collaboration.- Disaster recovery: Cloud providers often have backup systems in place, ensuring data can be recovered in case of a disaster.- Automatic updates: Cloud services are typically updated regularly by the provider, ensuring users have access to the latest features and security patches.2. Explain the difference between HTTP and HTTPS.答案:HTTP (Hypertext Transfer Protocol) is a protocol used for transmitting data over the internet. It is not secure, meaning that the data being transmitted can be intercepted and read by anyone. HTTPS (Hypertext Transfer Protocol Secure), on the other hand, is a secure version of HTTP. It uses encryption to ensure that data is encrypted before transmission, making it much more difficult for hackers to intercept and read. HTTPS is commonly used for secure online transactions, such as submitting credit card information or personal details.四、编程题请编写一个Python程序,实现计算圆的面积和周长的功能。
计算机英语试题3及答案

计算机英语试题3及答案一、选择题(每题2分,共20分)1. Which of the following is not a type of computer virus?A. TrojanB. WormC. Antivirus softwareD. Virus2. What does the acronym "CPU" stand for?A. Central Processing UnitB. Central Processing UnitC. Central Processing UnitD. Central Processing Unit3. In computer terminology, what does "RAM" refer to?A. Random Access MemoryB. Random Access MemoryC. Random Access MemoryD. Random Access Memory4. What is the primary function of a router?A. To store dataB. To transmit dataC. To receive dataD. To process data5. What is the term used to describe the process of converting data into a format that can be transmitted over anetwork?A. EncryptionB. CompressionC. DecompressionD. Encoding6. Which of the following is not a type of software?A. Operating systemB. Application softwareC. Utility softwareD. Hardware7. What does the acronym "GUI" stand for in the context of computer interfaces?A. Graphical User InterfaceB. Graphical User InterfaceC. Graphical User InterfaceD. Graphical User Interface8. What is the term for a computer program that is designed to perform a specific task?A. ApplicationB. ApplicationC. ApplicationD. Application9. What is the term used to describe a computer network that spans a relatively small area?A. LANB. LANC. LAND. LAN10. What does the acronym "USB" stand for?A. Universal Serial BusB. Universal Serial BusC. Universal Serial BusD. Universal Serial Bus二、填空题(每题2分,共20分)1. A computer virus is a type of malicious software that can replicate itself and spread to other computers without the user's permission.2. The central processing unit (CPU) is the primary component of a computer that performs most of the processing inside the computer.3. Random Access Memory (RAM) is a type of computer memory that can be read and changed freely and quickly.4. A router is a networking device that forwards data packets between computer networks.5. Encoding is the process of converting data into a format that can be transmitted over a network.6. Software is a collection of data or computer instructions that tell the hardware what to do and how to do it.7. A Graphical User Interface (GUI) is a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators.8. An application is a computer program designed to help the user to perform specific tasks, such as word processing or web browsing.9. A Local Area Network (LAN) is a computer network that interconnects computers in a localized area.10. Universal Serial Bus (USB) is an industry standard developed in the 1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.三、简答题(每题10分,共40分)1. Explain the difference between a computer virus and a computer worm.A computer virus requires a host program to replicate itself, whereas a computer worm can replicate and spread independently without needing a host program.2. Describe the role of a firewall in computer security.A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the Internet.3. What are the benefits of using a cloud-based service? Cloud-based services offer benefits such as scalability, accessibility, cost-effectiveness, and the ability to store and process large amounts of data in a remote location.4. Discuss the importance of data backup and recovery in a computer system.Data backup and recovery are crucial for protecting against data loss due to hardware failure, software bugs, data corruption, or cyber-attacks. Regular backups ensure that data can be restored in the event of a system failure,minimizing downtime and potential financial loss.四、论述题(20分)Discuss the impact of the Internet of Things (IoT) on society and the economy.The Internet of Things (IoT) has had a profound impact on society and the economy by enabling the interconnection of everyday objects, allowing them to send and receive data. This has led to increased efficiency in various industries, improved quality of life through smart home technologies, and the creation of new business models and markets. However, it also raises concerns about data privacy and security, as well as the potential for increased surveillance and control.。
计算机英语考试试题以及答案

计算机英语考试试题以及答案计算机英语考试试题以及答案一、词汇(选择一个最合适的词汇,将对应的英文字母填入空格内。
每题2分,共20分)1、__B__ is used to communicate with another computer over telephone lines.A. keyboardB. modemC. mouseD. printer2、__C__ is a device that enables the computer to handle sounds.A. network cardB. video cardC. sound cardD. monitor3、__A__ is a word processing tool that helps you to create quality documents.A. Word 2000B. Outlook 2000C. Access 2000D. Excel 20004、__D__ is a fast and powerful operating system, based on the UNIX O.S.A. Windows 2000B. Office 2000C. Windows 98D. Linux5、The OSI model has __D__ layers.A. fourB. fiveC. sixD. seven6、The purpose of the __A__ is to provide fully integrated analog services to users.A. ISDNB. WWWC. FTPD. HTTP7、Which one is not a computer languages? __A__A. word 2000B. PASCALC. CD. C++8、The __C__ turns the object file into an executable program.A. linkerB. compilerC. interpreterD. computer9、The RGB value is composed of__C __components.A. oneB. twoC. threeD. four10、Virus is a __A__ .A. programB. computerC. bad manD. beast二、语法单项选择题(每小题1.5分,共15分)1、With Windows, you can run several powerful applications at once and switch quickly __B__ them.A. betweenB. amongC. inD. on2、He doesnt mind __A__ her birthday party.A. being not invited toB. not to be invited toC. not being invited toD. not inviting to3、Only when you have told him __A__ take this book out of the library.A. can youB. would youC. you willD. you can4、Well go to Paris for our holiday, __D __it isnt too expensive.A. exceptB. providedC. so far asD. unless15、The prisoners request __B__ more and better food is now__B__ consideration(考虑).A. for, onB. for, underC. for, inD. for, into6、Mrs. Snow __B__ in the office for two years before she gota raise.A. have been workingB. had been workingC. has been workingD. was working7、The teacher has repeatedly reminded him __C__ it.A. ofB. forC. withD. to8、You went to the wrong shop .You ought __D__ to the shop next to the cinema.A. goB. to goC. have goneD. to have gone9、After __C__ my lessons I went to bed.A. reviewB. to reviewC. reviewingD. be reviewing10、 I find __A__ not so difficult to learn a foreign language.A. itB. thatC. theyD. which三、多选(每小题1.5分,共15分)1、Input devices include: __abcd__ .a. the keyboard c. the mouseb. touch screen d. microphone2、A processor is composed of: __abcd __.a. a control unit c. an arithmeticb. logic unit d. Registers3、The Windows 2000 product line includes __abcd __.a. Windows 2000 Professional c. Windows 2000 Advanced Serverb. Windows 2000 Server d. Windows 2000 Datacenter Server4、Windows 2000s advantages are lies in the sections that follow: __abcd__a. Active Directory c. Networkingb. Storage d. Enterprise Management5、C++ include the following pillars: __abcd__ .a. encapsulation c. inheritanceb. data hiding d. polymorphism6、The major functional components of an office automation system include: __abcd__ .a. text processing c. electronic mailb. information storage and retrievald. personal assistance features7、Static graphics include __cd__ .a. movies c. pictures2b. animators d. photographs8、The end equipment in a communication system includes __acd__a. computers c. CRTsb. DCE d. keyboards9、Applications in the Internet can be found everywhere: __abc__a. in libraries c. at homeb. in conference rooms d. at the moon10、Many viruses do harmful things such as __abcd__ .a. deleting files c. simulating typosb. changing random data on your disk d. slowing your PC down四、完形填空(选择一个最合适的答案,将对应的英文字母填入空格内。
计算机英语考试题库

计算机英语考试题库1. 选择题(1) Which of the following is NOT an example of a programming language?a) Pythonb) Javac) HTMLd) CSS(2) What does CPU stand for?a) Central Processing Unitb) Control Processing Unitc) Computer Programming Unitd) Central Programming Unit(3) Which of the following is NOT a type of malware?a) Virusb) Trojanc) Routerd) Worm(4) What does HTML stand for?a) Hyperlink Text Markup Languageb) Hyper Text Markup Languagec) High Text Markup Languaged) Hyperlink Text Manipulation Language(5) What is the purpose of a firewall?a) To block access to websitesb) To protect against malware attacksc) To increase internet speedd) To encrypt confidential data2. 填空题(1) The process of converting source code into machine code is called ___________.(2) TCP stands for ___________.(3) ___________ is a programming language commonly used for web development.(4) RAM stands for ___________.(5) A ___________ is a unique identifier for a network adapter.3. 简答题(1) What is the difference between hardware and software in a computer system?Hardware refers to the physical components of a computer system, such as the monitor, keyboard, and motherboard. Software, on the other hand, refers to the programs and data that are stored on the computer and control its operations. Hardware is tangible and can be seen and touched, while software is intangible and cannot be physically interacted with.(2) What is the purpose of an operating system?An operating system (OS) is a software that manages computer hardware and software resources and provides common services for computer programs. Its purpose is to facilitate the execution of user programs and make it easier for users to interact with the computer. The OS handles tasks such as process management, memory management, file management, and device management.(3) Explain the concept of object-oriented programming.Object-oriented programming (OOP) is a programming paradigm that organizes data and behaviors into objects, which are instances of classes. A class defines the structure and behavior of objects, and objects can interact with each other through methods and attributes. OOP promotes modular and reusable code, as well as encapsulation and abstraction of data. This approach allows for more efficient and easier development, maintenance, and modification of software systems.4. 问答题(1) What are the main programming paradigms?The main programming paradigms include:- Procedural programming: Focuses on procedures or routines that manipulate data.- Object-oriented programming: Focuses on organizing data and behaviors into objects.- Functional programming: Focuses on using mathematical functions and avoids changing state and mutable data.- Logical programming: Focuses on using logical rules and constraints to solve problems.- Imperative programming: Focuses on expressing computation steps explicitly and changing program state.- Event-driven programming: Focuses on handling events and responding to user actions or system events.- Parallel programming: Focuses on executing tasks concurrently to improve performance.(2) What are the differences between HTTP and HTTPS?HTTP (Hypertext Transfer Protocol) and HTTPS (Hypertext Transfer Protocol Secure) are both protocols used for communication over the internet. The main differences are:- Security: HTTP is not secure and data is transmitted as plain text, making it vulnerable to interception and manipulation. HTTPS encrypts data using SSL/TLS protocols, providing confidentiality and integrity.- Port: HTTP uses port 80 by default, while HTTPS uses port 443.- Certificate: HTTPS requires a digital certificate from a trusted Certificate Authority (CA) to establish a secure connection. HTTP does not require a certificate.- Speed: HTTPS may be slightly slower than HTTP due to the encryption and decryption processes.5. 名词解释(1) Firewall: A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and an untrusted external network, preventing unauthorized access and protecting against malware and other cyber threats.(2) Cache: In computing, a cache is a high-speed data storage layer that stores frequently accessed or recently used data. It serves as a temporary storage to improve data retrieval speed and reduce latency. Caches can be found at different levels in a computer system, such as CPU cache, web browser cache, and DNS cache.(3) Algorithm: An algorithm is a set of step-by-step instructions or rules used to solve a problem or perform a task. It provides a clear and unambiguous method for solving a problem, and it is an essential concept in computer science and programming. Algorithms can be represented using pseudocode, flowcharts, or programming languages.(4) Encryption: Encryption is the process of converting plain text or data into a coded form, known as ciphertext, using an encryption algorithm and a secret key. It ensures the confidentiality and integrity of data by making itunreadable to unauthorized users. Encryption is widely used in data transmission, online banking, and secure communication.(5) Database: A database is an organized collection of structured data stored and accessed electronically. It is designed to efficiently store, retrieve, and manage large volumes of data. Databases are used in various applications, such as e-commerce, customer relationship management (CRM), inventory management, and more.。
计算机专业英语试题含答案

1 6.计算机专业英语试题 2I . Vocabulary (词汇)(30 分)(一) .Tran slate the follow ing words and expressio ns into Chi nese (写出下列词组的 汉语。
)(共 10 分,每题 1 分)1. operati ng system _______________________________2. white box testi ng _______________________________3. hard disk ________________________________4. man ageme nt in formatio n system ______________________________5. electr onic commerce _______________________________6. relati onal database ________________________________7. software engin eeri ng ______________________________8. .software maintenance _________________________________9. menu bar10. network security(二) .Fill in the blanks with the corresponding English abbreviations. (根据汉语写出相应的 英语缩写。
)(共 10分,每题1分)2. _ 广域网4 .文件传送[输]协6 .面向对象编程8 .结构化查询语言10 .开放系统互(三) Match the following words and expressions in the left column with those similar in meaning in the right 1. applicati on software a. 音频2. mach ine Ian guage b. 应用软件3. structured program ming c. 机器语言4. functional test ing d. 软件测试5. memory e. 结构化程序设计6. relati onal database f. 内存7. firewall g. 功能测试8. software test ing h. 关系数据库9. hacker i. 黑客10. audio j. 防火墙column.(将左列的词汇与右列相应的汉语匹配。
计算机英语试题及答案

计算机英语试题及答案一、选择题(每题2分,共20分)1. What does the term "CPU" stand for?A. Central Processing UnitB. Central Power UnitC. Customer Personal UnitD. Control Power Unit答案:A2. The term "RAM" refers to:A. Random Access MethodB. Random Access MemoryC. Remote Access ModuleD. Real-time Application Module答案:B3. Which of the following is a type of computer virus?A. TrojanB. TractorC. TrackerD. Tracker答案:A4. The acronym "GUI" stands for:A. Graphical User InterfaceB. General User InterfaceC. Graphical Unified InterfaceD. Global User Interface答案:A5. What is the purpose of an "API" in computer programming?A. Application Programming InterfaceB. Advanced Programming InterfaceC. Automated Programming InterfaceD. Advanced Programming Indicator答案:A6. The term "LAN" is short for:A. Local Area NetworkB. Long Area NetworkC. Limited Area NetworkD. Large Area Network答案:A7. Which of the following is a common file extension for a text document?A. .txtB. .jpgC. .exeD. .mp3答案:A8. The process of finding and removing errors in a computer program is called:A. DebuggingB. BuggingC. LoggingD. Tagging答案:A9. What does "FTP" stand for?A. File Transfer ProtocolB. Fast Transfer ProtocolC. Full-Time ProtocolD. Future Technology Protocol答案:A10. The term "URL" stands for:A. Uniform Resource LocatorB. Unique Resource LocatorC. Universal Resource LocatorD. User Resource Locator答案:A二、填空题(每空1分,共10分)11. The basic unit of data in a computer is the _______.答案:bit12. A computer's _______ is the primary component that controls and processes data.答案:CPU13. The _______ is a type of software that protects a computer from malicious software.答案:antivirus14. A _______ is a location on a network where files can be stored and accessed.答案:server15. The process of converting data into a code to protect its confidentiality is known as _______.答案:encryption16. A _______ is a set of data that describes the characteristics of a file or set of files.答案:metadata17. The _______ is the process of recovering data after a system failure.答案:backup18. The term _______ refers to the use of a computer to create visual content, such as images and videos.答案:graphics19. A _______ is a program that controls the way a computer system operates.答案:operating system20. The _______ is the process of connecting two or morenetworks to enable communication between them.答案:networking三、简答题(每题5分,共20分)21. Explain the difference between a "bit" and a "byte".答案:A bit is the smallest unit of data in computing, representing a single binary digit (0 or 1). A byte is a group of eight bits, which is used to represent a character or a string of data.22. What is the role of a "firewall" in a computer system?答案:A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the Internet.23. Describe the purpose of a "router" in a computer network.答案:A router is a networking device that forwards data packets between computer networks. It uses routing tables to determine the best path for data to travel, allowing multiple devices to communicate with each other across different networks.24. What is "cloud computing" and how does it benefit users?答案:Cloud computing is the delivery of computing services, including storage, processing power, and software, over the internet. It benefits users by providing scalable resources, reducing the need for on-premises infrastructure, and allowing for remote access to applications and data.四、翻译题(每题5分,共20分)25. Translate the following sentence into English: "操作系统是管理计算机硬件和软件资源的程序。
(完整word版)计算机专业英语试题

计算机专业英语试题I.V ocabulary(词汇)(30分)(一)Translate the following words and expressions into Chinese.(写出下列词组的汉语。
共10分,每题1分)1.Operating system____________2.white bOx testing__________3.hard disk_________4.management information system_______________5.electronic commerce___________________6.relational database__________________7.software engineering___________________8.software maintenance__________________9.menu bar______________10. network security___________________(二)Fill in the blank swith the corresponding English abbreviations.(根据汉语写出相应的英语缩写。
共10分,每题1分)1.只读存储器__________ 2.广域网___________3.传输控制协议___________ 4,文件传送[输]协议__________5.通用串行总线__________ 6.面向对象编程____________7.集成开发环境___________ 8.结构化查询语言___________9.数据库管理系统___________ 10.开放系统互连______(三)Match the following words and expressions in the left column with those similar in meaning in the right column.(将左列的词汇与右列相应的汉语匹配。
(完整word)计算机专业英语试题及答案,推荐文档

计算机专业英语试题Ⅰ. Vocabulary(词汇)(30分)(一).Translate the following words and expressions into Chinese(写出下列词组的汉语。
)(共10分,每题1分)1. operating system2.requirements analysis3. network security4. data structure5.decision support system6.relational database7.software crisis8. computer virus9.email attachment10.central processing unit ( CPU )(二).Fill in the blanks with the corresponding English abbreviations.(根据汉语写出相应的英语缩写。
) (共10分,每题1分)1.数据库管理系统 2.传输控制协议3.多文档界面 4.面向对象编程5.只读存储器 6.数字视频光盘7.计算机辅助设计 8.结构化查询语言9.通用串行总线 10.企业之间的电子商务交易方式(三)Match the following words and expressions in the left column with those similar in meaning in the right column.(将左列的词汇与右列相应的汉语匹配。
)(10分,每空1分)1. multimedia a. 字处理器2. software life cycle b. 交换机3. structured programming c. 多媒体4. functional testing d. 局域网5. word processor e. 结构化程序设计6. code windows f. 软件生命周期7. firewall g. 功能测试8. LAN h. 代码窗口9. hacker i. 黑客 10. switch j.防火墙1. 6. 2. 7. 3. 8. 4. 9. 5. 10.Ⅱ. Comprehension(阅读理解)(一)Fill in the blanks with suitable words or expressions from the list given below, andchange the form where necessary. (从下面方框中选择合适的词或表达,以其适当的形式填空。
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计算机英语试题一、词汇(选择一个最合适的词汇,将对应的英文字母填入空格内。
每题1分,共10分)1、____ refers to the parts of the computer that you can see and touch.A. SoftwareB. HardwareC. HardshipD. Instruction2、primary memory which is stored on chips located ____.A. on the motherboardB. outsideC. inside the processorD. on the CPU3、The display screen is the most common ____ device used to show you what the computer is doing.A. inputB. printingC. outputD. electronic4、Windows gives you more control over the ____ you work.A. operationB. wayC. energyD. power5、The most important program on any computer is ____.A. Operating SystemB. VirusC. softwareD. Office 20006、There are ____ separate products that form the Windows 2000。
A. only oneB. twoC. threeD. four7、C might best be ____ as a 'medium-level language'.A. developedB. decodedC. programmedD. described8、Anti-Virus protects your computer from viruses by ____ your computer's memory and disk devices.A. deletingB. changingC. scanningD. replacing9、Multimedia will become increasingly ____ throughout every aspect of our lives.A. passB. preciseC. permitD. pervasive10、Communication through the Internet, the____performs the reverse function.A. A station controller (STACO)B. DTEC. Data communications equipment (DCE)D. CRT二、语法——单项选择题(每小题1.5分,共15分)1、The girl I saw ____ brown hair and blue eyes.A. had sheB. she hadC. herD. had2、I didn't hear the phone last night, I ____ asleep.A. must beB. must have beenC. should beD. should have been3、He was glad to find the fire ____ brightly.A. burningB. burnedC. to bumD. have bum4、Though ____ by what he said ,she didn't believe in him.A. attractingB. she attractedC. attractedD. have been attracted5、____ that ,I could do it much better.A. If I doB. If I were doC. Were I to doD. Were I do6、It was in this very place ____ I bought the laser printer.A. whereB. whenC. in whichD. that7、He is old enough to tell right ____ wrong.A. ofB. inC. fromD. to8、____ he did was quite wrong.A. WhatB. ThatC. IfD. Which9、____, we missed our plane.A. The train being lateB. To be lateC. The train is being lateD. The train which is late10、I wish that I ____ the concert last night.A. couldB. have attendedC. could have attendedD. attended三、多选(每小题2分,共20分)1、Windows 2000 is ____.a.new lease of Windowsc.the same as Windows NTb.an inventive technologyd.used for building a scalable network2、C++ is ____.a.object-orientedc.extended from Cb.procedure-orientedd.a superset of C3、Office automation is ____.a.the application of computerc.communications technologyb.the computerd.used to improve the productivity of people4、Microsoft Office Professional 2000 include ____.a.Word 2000c.Excel2000b.PowerPoint 2000d.Outlook 20005、Types of media include ____.a.textc.animationb.full-motion videod.audio6、Modem is ____.a.a modulatorc.a modulator/demodulatorb.a demodulatord.a data set7、The Internet is ____.a.as a common internetc.constrained by a set of IP suiteb.a specific kind of internet d.defined as the network of networks8、Viruses can delay their attack for ____.a.daysb.weeksc.monthsd.years9、The attributes of the stack are ____.a.FIFOc.queueb.LIFOd.built into their circuitry10、With an Internet connection you can get some of the basic services available are:a.E-mailb.Telnetc.FTPd.Usenet news四、完形填空(选择一个最合适的答案,将对应的英文字母填入空格内。
每小题2分,共10分)Computers have often been thought of as ( 1 ) machines, but this is a very narrow view of their ( 2 ). A computer has no known limit on the kinds of things ( 3 ) can do; ( 3 ) versatility(多功能性) is limited only by the imagination of those ( 5 ) it.1、A. addB. addingC. to addD. added2、A. hardwareB. softwareC. calculationD. functions3、A. itsB. theirC. itD. they4、A. itsB. theyC. youD. it′s5、A. useB. to usingC. usingD. used五、判断正误(正确的在后面括号内打√,错误的打×,每小题1分,共10分)1、A processor can do everything without a program to provide control.()2、Operating systems are unique to their manufacturers.()3、One of the functions of an operating system is memory management.()4、Programs were thought of as a series of procedures.()5、Office 2000 is an incredible set of business tools.()6、Multimedia is just two media: sound and pictures.()7、The network architecture is a layer-based.()8、In the e-mail a user needs a message transfer agent.()9、All virus scanners can kill most known viruses.()10、Data communications equipment (DCE) accepts the serial data stream from the DTE.()六、阅读理解(阅读以下段落,选择一个最合适的答案,将对应的英文字母填入空格内。
每小题2分,共10分)The main tasks of a computer programmer are first, to write programs to solve problems; second, to write them on time as they are needed; and third, to write them clearly by fully documenting them so that other programmers can understand them. The kinds of problems that are tackled(解决)depend on whether the programmer is working for a computer manufacturer(制造商) or user. The former needs such programs as compilers, assemblers, executives, operating systems, and utility routines. These programs are intermediaries(中间者) between the machine and the commercial programs which are written in one of the high-level languages. They areabout the system, and therefore programmers who write them are called system programmers. If the programmer is working for computer users, however, his or her programs may deal with either scientific or commercial problems.51 A computer programmer should undertake () main tasks.A. 1B. 2C. 3D.452 The word they' in Line 2 of this paragraph refers to ().A. programsB. programmersC. tasksD. problems53 () kinds of system programs are mentioned in the paragraph.A. 5B. 6C. less than 5D. more than 654 () is written in one of the high-level languages.A. MachineB. System programC. IntermediaryD. Commercial program55 Scientific or commercial programs are useful for ().A. programmersB. computer usersC. manufacturersD. computers、七、单句翻译(每题2分,共10分)1、Computer systems use many devices for input purpose.2、The line of computing jobs waiting to be run on a computer system might also be a queue.3、In the electronic message world, they identify the sending and receiving mailboxes.4、You don' t have to be a passive recipient with multimedia.5、At the receive end, the DCE performs the reverse function.八、写作(15分)写一篇文章,介绍RAM和ROM的区别,字数在80~100之间。