计算机专业英语作业及答案

1、计算机专业英语作业答案（供参考）计算机专业英语作业1第13章作业一 Vocabulary( 词汇)(一)Translate the following words and expressions into Chinese(写出下列词组的汉语。) 1central processing unit（CPU）中央处理器 2.title bar 标题栏 3operating system 操作系统 4personal computer 个人计算机 5menu bar 菜单栏 6desk publishing 桌面排版 7electronic spreadsheet 电子表格 8hard disk 硬盘

2、 9database 数据库 10Cursor 光标 (二)Fill in the blanks with the corresponding English abbreviations.(根据汉语写出相应的英语缩写。)1随机存储器 RAM 2只读存储器 ROM 3传输控制协议 TCP 4数字视频光盘 DVD 5通用串行总线 USB 6计算机辅助设计 CAD 7计算机辅助制造 CAM 8中央处理器 CPU (三)Translate the following Chinese into English.(根据汉语写出相应的英语。) 1键盘 keybord 2鼠标 mouse 3扫描仪 scann

3、er 4打印机 printer 5输入 input 6输出 output 7显示器 monitor 8存储器 storage 9数据库 database 10操作系统 operating system 11应用软件 application software 12字处理器 word processor 13网络浏览器 web browser 二 Tell whether the following statements are true(T) or false(F).(判断正误。) 1As soon as you turn the computer off, the contents of RA

4、M will disappear. ()2Windows XP is Microsoft's most advanced desktop operating system. ( )3Software can be divided into two general classes: system software and application software. ()4Microsoft Word XP is a member of Microsoft office 2000 . (×)5Application software (also called end-user p

5、rogram) is designed to perform a specific function directly for the user. ()6. Without systems software, application software in a computer is useless. ()7. WinZip, WinRAR and Microsofts Internet Explorer are all data compression software. (× )8. Word doesnt have the feature to accessing to Wor

6、ld Wide Web. (× )9. Menu bar displays the names of the application and document. (× )10. Microsoft Word can help you design and manipulate spreadsheet electronically. (× ). 三 Match the following words and expressions in the left column with those similar in meaning in the right column

7、.(将左列的词汇与右列相应的汉语匹配。)（一）1. central processing unit（CPU）a.操作系统2. hardwareb.输入.3. RAM(random access memory)c.只读存储器4. ROM(read-only memory)d.应用软件5. input e.中央处理器6. output f.系统软件7. operating system g.硬件8. application software h.随机存储器9. system software i.内存10. memory j.输出1 e 6. j 2 g 7a 3 h 8. d 4 c 9. f

8、5 b 10. i (二) 1. binary systemaan input device2. printerba compression software3. Microsoft Wordcan operating system4.Winzipda numbering system based on the digits 0 and 15. Internet Explorerea part of Microsoft word interface6. mousefan electronic spreadsheet7. Microsoft Excellgan output device 8.

9、DOSha word processor9. title baria web browser1 d 6. a 2 g 7 f 3 h 8. c 4 b 9. e 5 i 四Fill in the blanks with suitable words or expressions from the list given below, and change 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。）1component heart result in speeddetermineThe central processing unit

10、 (CPU) is the heart of the computer systems. Among other things, its configuration determines whether a computer is fast or slow in relation to other computers. The CPU is the most complex computer system component , responsible for directing most of the computer system activities based on the instr

11、uctions provided. As one computer generation has evolved to the next, the physical size of the CPU has often become smaller and smaller, while its speed and capacity have increased tremendously. Indeed, these changes have resulted in microcomputers that are small enough to fit on your desk or your l

12、ap.2.Microsoft Word printer DBMS(database management system) Spreadsheet disk cell value Microsoft Excel documentWord processor, _Spreadsheet _, Database are all application software. Word processor, a special program can enable a computer user to create a _dobument_, store it on a _disk_, display i

13、t on a screen, even print it on a _printer_. The software such as _ Microsoft Word _, WPS, StarOffice are word processors. Spreadsheet is different from a simple table, for whose _ value _ have predefined relationship to each other, and each of them sits in a _cell_. Among the spreadsheet applicatio

14、ns, lotus 1-2-3 and _ Microsoft Excel _ are the most famous. To access information from a database, the computer user need a _ DBMS(database management system) _.3. margin standard toolbar ruler title bar menu bar incorporateintoMicrosoft Word XP is the current Window version of Word, and documents

15、created in Word XP can be easily _ incorporated into _ Excel, Power Point and Access files. In the interface of Word, the _title bar_ displays the name of the current application and name of the current document; the _menu bar_lists the names of the menus available; the _toolbar _gives the user quic

16、k access to frequently used editing functions; the _ruler_enables the user to change left and right _ margin _. 五 Translation.（翻译。）（一）Translate the following sentences into Chinese.（将下列句子翻译成汉语。）1Most microcomputer printers print one character at a time, usually at rates varying from 30 to perhaps 18

17、0 characters per seconds.大多数的微型计算机打印机一次打印一个字符，通常以每秒30180个字符的速度打印。2Windows XP has a wide range of entertainment features and multimedia support designed to fully integrate digital media into the PC.Windows XP具有很多娱乐性能，并支持多媒体技术，将数字媒体集成于PC之中。3An application software is any program designed to perform a

18、specific function directly for the user or, in some cases, for another application program.应用软件是为用户设计的具有专门功能的软件，或在某些情况下，为另一种应用程序设计的软件。4A word processor enables you to create a document, store it electronically on a disk, display it on a screen, modify it by entering commands and characters from the

19、keyboard, and print it on a printer.字处理器使你能够创建文档，并将它存在磁盘上，在显示器上显示，通过从键盘输入命令和字符进行修改，并在打印机上输出。5There are several applications called Web browsers that make it easy to access the World Wide Web, two of the most popular being Netscape Navigator and Microsofts Internet Explorer.有一些叫做网络浏览器的应用软件可以使我们访问万维网，

20、其中两个比较流行的是Netscape Navigator 和Microsoft Internet Explorer.6Spreadsheet applications are computer programs that let you create and manipulate spreadsheets.电子表格软件（有时简称为电子表格）是能够使你创建和操纵电子表格的计算机程序。7Word offers many features, including desktop publishing and access to the World Wide Web.Word提供很多功能，包括桌面排版和

21、访问万维网。8As you create a specific document, such as a business letter or resume, Word provides wizards, which ask questions and then use your answers to format the document before you type the text of the document.当你要产生一个文件，如一封商业信函或一份简历时，Word会提供向导，它先提出一些问题，然后在输入文字之前，根据你的回答规定该文件的格式。9Users often save th

22、eir work frequently onto nonvolatile secondary storage devices such as diskettes or hard disks.用户经常在保存工作在非易失性的二级存储设备上例如磁带或硬盘。10When editing in Word, a user can change left and right margins with the Ruler.在Word中进行编辑时，用户可以用标尺改变左边距和右边距。（二）Translate the following paragraphs into Chinese.（将下列各段翻译成汉语）。1T

23、he central processing unit (CPU) is the heart of the computer systems. Among other things, its configuration determines whether a computer is fast or slow in relation to other computers. The CPU is the most complex computer system component, responsible for directing most of the computer system acti

24、vities based on the instructions provided. As one computer generation has evolved to the next, the physical size of the CPU has often become smaller and smaller, while its speed and capacity have increased tremendously. Indeed, these changes have resulted in microcomputers that are small enough to f

25、it on your desk or your lap.中央处理器（CPU）是计算机系统的心脏。一台计算机相对于其它计算机的速度是快还是慢，除了别的因素外，CPU的配置起着决定的作用。CPU是最复杂的计算机系统设备，它根据提供的指令负责指挥协调计算机系统的全部活动。当老一代计算机被新的一代计算机代替的时候，CPU的实际尺寸往往变得越来越小，而其速度和能力却增加了许多。这种变化的结果就使得微机缩小得可以放在你的桌子上或你的膝上。2Personal computer software is based on specific operating systems and machines. Oper

26、ating systems software defines the personality of the computer by specifying the way in which programs are controlled, files are stored and retrieved, and how the systems hardware components are held together. Software written to run on a specific PC operating system cant run on another. To use PCs

27、effectively, one must understand the capabilities of their operating systems software.个人计算机软件建立于特定的操作系统和计算机。操作系统软件通过一系列措施定义了计算机的性能，包括如何控制程序执行、文件如何存储和读取、系统硬件组件如何管理等。基于某一特定的PC操作系统编写的软件不能用于其他操作系统。为了充分利用PC机，用户必须了解操作系统的特性。3An application software (also called end-user program) is any program designed to

28、perform a specific function directly for the user or, in some cases, for another application program. Examples of application software include word processors; database programs; Web browsers; development tools; drawing, paint, and image editing programs; and communication programs. Figuratively spe

29、aking, application software sits on top of system software because it is unable to run without the operating system and system software.应用软件（又称作终端用户程序）是直接为用户设计的具有专门功能的软件，或在某些情况下，为另一种应用程序设计的。应用软件的例子有：字处理器，数据库程序，网络浏览器，打发工具，绘图和图像编辑程序，通信程序等。比喻的说，应用软件坐在系统软件的上面，这是因为如果没有操作系统和系统公用程序应用软件将不能运行。计算机专业英语作业2第4-6章

30、作业一Vocabulary( 词汇)(一)Translate the following words and expressions into Chinese(写出下列词组的汉语。)1database 数据库 2 flat-file database 平面数据库 3relational database 关系数据库 4data structure 数据结构 5built in 内置 6 coding 编码 7machine language 机器语言 8Property Window 属性窗口 9software crisis 软件危机 10object model 对象模式 11black

31、box testing 黑盒测试 12white box testing 白盒测试 13Bug 错误 14software maintenance 软件维护 15Requirements Analysis & Specification 需求分析和说明 (二)Fill in the blanks with the corresponding English abbreviations.(根据汉语写出相应的英语缩写。)1结构化查询语言 SQL 2关系型数据库管理系统 RDBMS 3集成开发环境 IDE 4多文档界面 MDI 5单文档界面 SDI 6面向对象分析 OOA 7面向对象设计 O

32、OD 8面向对象编程 OOP (三)Translate the following Chinese into English.(根据汉语写出相应的英语。)1客户机/服务器 client/server 2二维的 two dimensional 3点击鼠标右键 right click 4调试程序 debug the program 5高级语言 high-level language 6标准版 standard edition 7代码窗口 code window 8软件生命周期 software life cycle 9软件测试 software testing 10数据流图 data-flow d

33、iagram 二Tell whether the following statements are true(T) or false(F).(判断正误。)1Client/server database system is no longer in use now. ( × )2Flat-file style of database is suitable for large amounts of data. ( )3SQL Server can allow many users to visit the database at the same time. ( )4Maintenan

34、ce of programs is not as important as the development. ( × )5High-level language is popular, because it is directly executable in computer without compiling. (× )6. There are various languages for humans, whereas(然而)there is only one programming language for computer. (× )7. The windo

35、ws that are displayed when you start VB are known as the Visual Basic Integrated Development Environment (IDE). ( )8. Software engineering covers not only the technical aspects of building software systems, but also management issues. ( )9. OOD is the stage of creation and OOP is an implementation s

36、tage. ()10. White box testing requires the tester to have knowledge of the internal structure. ()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。)（一）1. DBMSa.结构化查询语言2. relational databaseb.维护3. SQL (Structured Query L

37、anguage)c.高级语言4. compile the program d.数据库管理系统5. High-level language e.多文档界面6. MDI(Multi-Document Interface)f.关系数据库7. Maintenanceg.编译程序8. Object-oriented Design (OOD) h.软件测试9. software testing i.黑盒测试10. black box testing j.面向对象设计1 d 6. e 2 f 7 b 3 a 8. j 4 g 9. h 5 c 10. i (二) 1machine languagea.调试2

38、assembly languageb.功能测试3. debuggingc.窗体4. functional testingd.汇编语言5. white box testinge.机器语言6. formf.白盒测试7. project windowg.表记录8. fieldh.结构化程序设计9. .structured programmingi.工程窗口10. table recordj字段1 e 6. c 2 d 7i 3 a 8. j 4 b 9. h 5 f 10. g 四Fill in the blanks with suitable words or expressions from t

39、he list given below, and change 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。）1system group dimensional name designcatalog location right Like many other RDBMSs, SQL Server uses two dimensional tables to store data. These tables are called catalogs or dictionaries. It is a secure system and

40、allow you to assign right to individual users. By default, it use a group to distinguish among different SQL Severs. To create a new database, you need to specify a name . And you may also change the location of the database during this process. A new database comes with over 10 system tables. To cr

41、eate a new table, you can use a table design window.2 high-level language assembly language written machine language facilitate notation constructA programming language, designed to _ facilitate _ the communication between human and computers, is a _ notation _ for describing computation in readable

42、 form. There are 3 levels of programming languages, they are_ machine language , which can be run directly by computer; _ assembly language _ and machine language _. There are different high-level programming languages. Fortunately, most of them have many kinds of _ construct _ in common and vary on

43、ly in the way that these must be _ written _ . Therefore, first thing to be decided about a task is to choose which programming language is best suited for the job.3black box testing internal bug thorough reveal output faults valid white box testing Software testing, which is defined as the executio

44、n of a program to find its_ faults _, is a vital part of the software lifecycle. There are different types of testing, mainly, they are _ black box testing or functional testing, which tests whether the _ output _ is the expected result with the _ valid _ input; and _ white box testing _ (or glass b

45、ox testing) which is performed to _ reveal _ problems with the_ internal _ structure of a program . Debugging is the process of analyzing and locating bugs when software does not behave as expected. Software testing is a much more _ thorough _ means of identifying software _ bugs _. Therefore, debug

46、ging supports testing other than replacing testing.四 Translation.（翻译。）（一）Translate the following sentences into Chinese.（将下列句子翻译成汉语。）1. A database system is a software system which can manage a database stored in computer files.一个数据库系统是能够管理计算机中存储的数据库的软件系统。2. Relational databases also have functions

47、"built in" that help them to get, sort and edit the data in many different ways.关系型数据库还具有“内置”的功能帮助其用多种方式获取、排序和编辑数据。3. SQL Server is designed to allow thousands of users to access the database at the same time and is a true client/server database system.SQL Server 被设计为允许数千用户同时访问数据库，并且是真正的客户

48、机/服务器数据库系统。4. During the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as writing them.在过去的一些年里，人们已经意识到维护一个软件比开发一个软件还要昂贵，所以人们读程序和写程序一样重要。5. Programming languages are designed to facilitate the communication between human and computers.程序设计语言用于使人和计算机之间的交流变得容易。6. Fortunately most programming languages have many kinds of constructs in common and vary only in the way that these must be written.幸运的是程序设计语言之前在结构上有许多相同之处，不同之处是它们书写的方式。7. Some applications, such as Wo