计算机专业英语（第3版）习题参考答案

来源网络侵权请联系删除计算机专业英语（第三版）人邮出版社习题参考答案Chapter1HardwareConcepts（硬件基础）1．MatchtheexplanationsinColumnBwithwordsandexpressionsinColumnA.(搭配每组中意义相同的词或短语)2.Choosetheproperwordstofillintheblanks.（选词填空）TypesofComputerComputercanbegenerallyclassifiedbysizeandpowerasfollowing,thoughthereisconsiderableoverlapamongthem.Aminicomputerreferstoasmall,single-usercomputerbasedonamicroprocessor,withakeyboardforenteringdata,amonitorfordisplayinginformation,andastoragedeviceforsavingdata.Apersonalcomputerisapowerful,single-usercomputer,which,thoughlookinglikeamicrocomputer,hasamorepowerfulmicroprocessorandahigher-qualitymonitor.Aworkstationstandsasamulti-usercomputercapableofsupportingfrom10tohundredsofterminals（终端）oruserssimultaneously（同时地）.Amainframe,synonymouswith“giant”,isthenameforapowerfulmulti-usercomputerwhichsupportshundredsofthousandsofusersatthesametime.ASupercomputerdescribesanextremelyfastcomputerthatcanperformhundredsofmillionsofinstructionspersecond.Wordstobechosenfrom:（可选词）Supercomputer,minicomputer,mainframe,workstation,personalcomputer3．TranslatethefollowingEnglishphrasesorSentencesintoChinese（将下面英语句子翻译为中文）：PersonalComputer.个人电脑。Thisisadisplay.Thedisplayisonthesystemunit.这是一个显示器。显示屏位于系统单元上。Thatisaprinter.Theprinterisbythedisplayandsystemunit.那是一台打印机。打印机由显示器和系统单元组成。Thisisadiskdrive.Thediskdriveisinthesystemunit.这是一个磁盘驱动器。磁盘驱动器位于系统单元中。Thisisakeyboardandthatisamouse.Thekeyboardandmousearebeforethesystemunitanddisplay.这是一个键盘，那是一个鼠标。键盘和鼠标位于系统单元和显示器之前。Thatisamodem.Themodemisbythesystemunittoo.那是一个调制解调器。调制解调器也是系统单元。Theyarebasichardwarecomponentsofapersonalcomputersystem.它们是个人计算机系统的基本硬件组件。4.略。Chapter2ComputerSystemMaintenance（计算机系统维护）1．MatchtheexplanationsincolumnBwithwordsandexpressionsincolumnA.(搭配每组中同意义的词或短语)2．Choosetheproperwordstofillintheblanks.（选词填空）(1)_DOS__wasthefirstwidely-installedoperatingsystemonpersonalcomputers.(2)Tocommandtocheckadisketteforflawsandcreatesadirectorywhereallthenamesofthediskette’sfileswillbestored.ItisFormat.(3)Whilethereareseveralusefulprogramsforanalyzingconnectivity,unquestionably_Pingcommand_isthemostcommonlyusedprogram.(4)Wheneveryouturnonyourcomputer,thefirstthingyouseeistheBIOSsoftwaredoingitsthing.(5)TheorderthatBIOSwilltrytoloadtheoperatingsystem,itisBootSequence.Wordstobechosenfrom:（可选词）PingcommandFormatBootSequenceDOSBIOS3．Readthefollowingsentencesandwrite“T”fortrueand“F”forfalse.（对与错）(1)Cannotfindorinitializethefloppydrivecontrollerorthedrive.Makesurethecontrollerisinstalledcorrectly.(T)(2)Typically,DeviceManagerisusedtocheckthestatusofcomputerhardwareandupdatedevicedriversonthecomputer.(T)(3)IfthestatusisDisabled,thatisnotusuallytheresultofuser’saction,butmeansthatthedevicehasaproblem.(T)(4)Ifyoulosethepasswordyouwillbelockedoutofyourownsystem,andthenyouwillhavetoresorttotechniques.(T)(5)Thetypicalindustrialrobotsconsistsof3

majorcomponents:themanipulatorarm,theendeffectorandtheactuator.(T)4．TranslatethefollowingEnglishintoChineseandChineseintoEnglish（英汉互译）：ComputerNetworksComputernetworkslinkcomputersbycommunicationlinesandsoftwareprotocols,allowingdatatobeexchangedrapidlyandreliably.计算机网络通过通信线路和软件协议链接计算机，允许数据快速可靠地交换。 最初，网络用来提供计算机终端访问和计算机之间的文件传输的功能，如今，网络提供传递电子邮件、访问公共数据库和电子公告板的功能，并已开始用于分布式系统Originally,thenetworkwasusedtoprovidefiletransferbetweencomputerterminalsandcomputers.Today,thenetworkprovidestheabilitytodelivere-mail,accesspublicdatabasesandbulletinboards,andhasbeguntobeusedindistributedsystems. Networksalsoallowusersinonelocalitytoshareexpensiveresources,suchasprintersanddisk-systems.网络还允许一个地方的用户共享昂贵的资源，例如打印机和磁盘系统。 5．Practicalassignment:practiceonacomputer,dealingwithcomputersystem.（实践作业：上机进行计算机实践操作，熟悉计算机系统维护）略。Chapter3FoundationofComputerNetwork（计算机网络基础）1．MatchtheexplanationsincolumnBwithwordsandexpressionsincolumnA.(搭配每组中同意义的词或短语)2．ChoosetheproperwordstoFillintheblanks.（选词填空）WhatisNetwork?Agroupoftwoormorecomputersystemslinkedtogether.Therearemanytypesofcomputernetworks,including:(local-areanetworks(LANs)):Thecomputersaregeographicallyclosetogether(thatis,inthesamebuilding).(wide-areanetworks(WANs)):Thecomputersarefartherapartandareconnectedbytelephonelinesorradiowaves.(campus-areanetworks(CANs)):Thecomputersarewithinalimitedgeographicarea,suchasacampusormilitarybase.(metropolitan-areanetworks(MANs)):Adatanetworkdesignedforatownorcity.(home-areanetworks(HANs)):Anetworkcontainedwithinauser’shomethatconnectsperson’sdigitaldevices.Inadditiontothesetypes,thefollowingcharacteristicsarealsousedtocategorizedifferenttypesofnetworks:(topology):Thegeometricarrangementofacomputersystem.Commontopologiesincludebus,star,andring.SeetheNetworktopologydiagramsintheQuickReferencesectionofWebopedia.(protocol):Theprotocoldefinesacommonsetofrulesandsignalsthatcomputersonthenetworkusedtocommunicate.OneofthemostpopularprotocolsforLANsiscalledEthernet.AnotherpopularLANprotocolforPCsistheIBMtoken-ringnetwork.(architecture):Networkscanbebroadlyclassifiedasusingeitherapeer-to-peerorclient/serverarchitecture.Computersonanetworkaresometimescallednodes.Computersanddevicesthatallocateresourcesforanetworkarecalledservers.Wordstobechosenfrom:（可选词）home-areanetworks(HANs),local-areanetworks(LANs),protocol,campus-areanetworks(CANs),architecture,topologywide-areanetworks(WANs),metropolitan-areanetworks(MANs),3．TranslatethefollowingEnglishSentencesintoChinese(将下面英语句子翻译为中文)：(1)Internetisaglobalnetworkconnectingmillionsofcomputers.Morethan100countriesarelinkedintoexchangesofdata,newsandopinions.（1）互联网是连接数百万台计算机的全球网络。超过100个国家接入互联网，参与数据、新闻和意见的交换。(2)Routerisadevicethatforwardsdatapacketsalongnetworks.Arouterisconnectedtoatleasttwonetworks,commonlytwoLANsorWANsoraLANanditsISP.（2）路由器是一种沿网络转发数据包的设备。路由器连接到至少两个网络，通常是两个LAN或WAN或LAN及其ISP。(3)Routersarelocatedatgateways,theplaceswheretwoormorenetworksconnect.（3）路由器位于网关，两个或多个网络连接的地方。(4)WorldWideWebisasystemofInternetserversthatsupportspeciallyformatteddocuments.（4）万维网是支持特殊格式文档的因特网服务器系统。(5)ThereareseveralapplicationscalledWebbrowsersthatmakeiteasytoaccesstheWorldWideWeb;TwoofthemostpopularareNetscapeNavigatorandMicrosoft’sInternetExplorer.（5）有几种称为Web浏览器的应用程序可以轻松访问万维网;最受欢迎的两个是NetscapeNavigator和微软的InternetExplorer。4．实践作业：（1）CheckthecompositionofLANinthecomputerroomofyourschool;（到本校机房查看局域网的组成情况；）（2）ApplyforyourownemailonlineandsendemailtoyourclassmatestofeeltheconveniencebroughtbytheInternet.(上网申请一个自己的电子邮箱，并向同学发电子邮件，感受互联网带来的便利。)Chapter4Software（软件）1．MatchtheexplanationsincolumnBwithwordsandexpressionsincolumnA.（搭配每组中同意义的词或短语）2.ChoosetheproperwordstoFillintheblanks.（选词填空）(1)Operatingsystemshouldmeetcertainspecificstandardsasmoderncomputerhardware’sSophistication.(2)Linuxisamultitaskingsystem.(3)Microsoftoffice2000hasfivetypesofedition.(4)Adynamicpresentationsincludemultimediafeatures.(5)computergraphicsisthegraphicimagescreatedbyacomputer.Wordstobechosenfrom:（可选词）Sophisticationcomputergraphicsmultitaskingeditionmultimedia3.Readthefollowingsentencesandwrite“T”fortrueand“F”forfalse.（对与错）(1)Whenyoupurchaseanewcomputer,anoperatingsoftwaresuitabletothehardwaremustbebought.(T)(2)Officeautomationistheapplicationofcomputerandcommunicationtechnology.(F)(3)Todayonlyafewoforganizationsuseofficeautomationhardwareandsoftware.(F)(4)MicrosoftExcel2000isaspreadsheetprogram.(T)(5)Oneofthefivefunctionsofoperatingsystemismemorymanagement.(T)(6)AutoCADhastheformidabletwo-dimensionalfunctiononly,butthreedimensionalfunction.(T)4．TranslatethefollowingEnglishSentencesintoChinese.（将下面英语句子翻译为中文）(1)Theoperatingsystemprovidedoneinteractivecontactsurfaceforthecomputerhardwareandtheapplicationprocedure.（1）操作系统为计算机硬件和应用程序提供了一个交互式界面。(2)NowtheoperatingsystemhomecomputerusesareWindows.（2）现在家用电脑使用的操作系统是Windows。(3)Windows98isanupgradetoMicrosoft’sWindows95operatingsystem．（3）Windows98是对MicrosoftWindows95操作系统的升级。(4)WebdesignersuseFlashtocreatenavigationcontrols,animatedlogos，long-formanimationswithsynchronizedsound,andevencomplete,sensory-richWebsites.（4）网页设计师使用Flash创建导航控件，动画徽标，具有同步声音的长篇动画，甚至是完整的，富含感知的网站。(5)Imageprocessingoperationscanberoughlydividedintothreemajorcategories,ImageCompression,ImageEnhancementandRestoration,andMeasurementExtraction.（5）图像处理操作可大致分为三大类：图像压缩，图像增强和恢复，以及测量提取。5．Practicalassignment:getfamiliarwithcomputeroperationsystemandlatestapplicationsoftware.（实践作业：到当地电脑城了解计算机操作系统和最新应用软件。）略。Chapter5ProgrammingLanguage（程序设计语言）1．TranslatethefollowingphrasesintoEnglish.（1）机器码 Machinecode（2）机器语言 Machinelanguage（3）面向对象的程序 Object-orientedprograms（4）汇编语言 Assemblylanguage（5）抽象代码 abstractcode（6）人工智能 Artificialintelligence（7）并行进程 Parallelprocess（8）数据库系统 Databasesystem2．Pleaselistthecomputeradvancedprogramminglanguagesthatareusedfrequentlyandmakesomerelevantintroductions.（请列出常用的计算机高级编程语言，并做一些相关介绍。）Chapter6ComputerNetworkTechnology（计算机网络技术）1．MatchtheexplanationsinColumnBwithwordsandexpressionsinColumnA.（搭配每组中同意义的词或短语）2．Choosetheproperwordstofillintheblanks.（选词填空）ALANisusedforcommunicationsinasmallcommunityinwhichresources,suchas(printers),software,andservers,areshared.EachdeviceconnectedtoaLANhasaunique(address).TwoormoreLANsofthesametypecanalsobeconnectedto(frames)dataframesamongmultipleusersofotherlocalareanetworks.InLANs,(forward)areadditionalheadersappendedforlocalrouting.Thesenew-lookingpacketsareknownas(Packets).Wordstobechosenfrom:（可选词）Packets，address，frames，printers，forward3．TranslatethefollowingEnglishintoChinese(将下面英语句子翻译为中文)：（1）TheInternetisaglobalsystemofinterconnectedcomputernetworksthatusethestandardInternetProtocolSuite(TCP/IP)toservebillionsofusersworldwide.（1）互联网是互联计算机网络的全球系统，它使用标准互联网协议套件（TCP/IP）为全球数十亿用户提供服务。（2）Aswithmostapplication-layerprotocols,SMTPhastwosides:aclientside,whichexecutesonthesendersmailserver,andaserverside,whichexecutesontherecipientsmailserver.（2）与大多数应用层协议一样，SMTP（简单邮件传输协议）有两个方面：在发送方的邮件服务器上执行的客户端和在收件人的邮件服务器上执行的服务器端。（3）Inthestartopology,allusersaredirectlyconnectedtoacentraluserthroughtwounidirectionallinks:oneforuplinkandtheotherfordownlink.（3）在星型拓扑中，所有用户通过两条单向链路直接连接到中央用户：一条用于上行链路，另一条用于下行链路。（4）Acomputernetworkisagroupofcomputersthatareconnectedtoeachotherforthepurposeofcommunication.（4）计算机网络是为了通信而彼此连接的一组计算机。（5）WANsareusedtoconnectLANsandothertypesofnetworkstogether,sothatusersandcomputersinonelocationcancommunicatewithusersandcomputersinotherlocations.（5）WAN（城域网）用于将LAN（局域网）和其他类型的网络连接在一起，以便一个位置的用户和计算机可以与其他位置的用户和计算机进行通信。Chapter7ITWorkplaceEnglish（IT职场英语）1．Completethefollowingdialogues（完成下列对话）.1）A：Whenwillyougraduatefromcollege?B:__Iwillgraduatefromcollegenextyear.___2）A:Whichisyourfavoritesubject?B:ThesubjectIlikebestiscomputerscience3）A:__Whatisyouraveragescore?__B:Igotanaverageof85points4）A：__Whatkindofworkareyouresponsibleforintheclass?__B:Yes,Iwastheclasscommissaryinchargeofrecreationalactivities.5）A:Wereyouinvolvedinanyclubactivitiesatyourschool?B:__Yes,Ijoinedtheschool'sbasketballteam.___2．Answerthefollowingquestionsaccordingtoyourpersonalinformation.（根据个人信息回答下列问题。）1）What’syourname,please?Mynameisjohn.2）Whereareyoufrom?IamfromChengdu,SichuanProvince.3）Howoldareyou?Iam21yearsold.4）Whatschoolareyouattending?IamattendingtheSichuanVocationalCollegeofInformationTechnology.5）Whatsubjectshaveyoulearnatcollege?Iamstudyinginthecollegeaboutanim