计算机英语实用教程课后题参考答案

课后参考答案unit1〖Ex.1〗根据课文内容，回答以下问题：1)Itisprimarilyresponsibleforexecutinginstructions.2)Throughthemonitor.3)Allprocessors,memorymodules,plug-incards,daughterboards,orperipheraldevicescanbepluggedinthosesockets.4)Thebinarysystemisused.5)Throughcleverformatting.6)Theyaresimilartoeachother.ROMonlycannotbealteredanddoesnotloseitscontentswhenpowerisremoved.7)“Mouses”8)Floppydiskscanberemovedfromtheirdrivesandharddiskscan’t.9)Becauseitisfasterthanmanytypesofparallelport.10)I/OPort.〖Ex.2〗根据下面的英文解释，写出相应的英文词汇（使用学过的单词、词组或缩略语）英文解释词汇1)Aprocessorwhoseelementshavebeenminiaturizedintooneorafewintegratedcircuits.ItisusuallyusedinPC.1)CPU2)Themainboardofacomputer,usuallycontainingthecircuitryforthecentralprocessingunit,keyboard,andmonitorandoftenhavingslotsforacceptingadditionalcircuitry.2)motherbosard3)Aunitofacomputerthatpreservesdataforretrieval.3)memory4)Ahand-held,button-activatedinputdevicethatwhenrolledalongaflatsurfacedirectsanindicatortomovecorrespondinglyaboutacomputerscreen,allowingtheoperatortomovetheindicatorfreely,astoselectoperationsormanipulatetextorgraphics.4)mouse5)Asetofkeys,asonacomputerterminal,wordprocessor,typewriter.5)keyboard6)Aconnectionpointforaperipheraldevice.6)port7)Amachinecodetellingacomputertoperformaparticularoperation.7)instruction8)Theinformationorimagedisplayedatagiventimeonamonitor,display,orvideoterminal:8)screen9)Aninputdevice,sometimespartofastandardtypewriterkeyboard,consistingofaseparategridofnumericalandfunctionkeysarrangedfor9)keypadefficientdataentry.10)Informationputintoacommunicationssystemfortransmissionorintoacomputersystemforprocessing.10)input〖Ex.3〗把下列句子翻译为中文：1）绝大部分计算机上键盘是主要的文本输入设备。2）最常见的鼠标器顶部有两个按钮，左按钮是用得最多的。3）Win95和其它操作系统让用户可以调节鼠标器的灵敏度。4）有些系统向用户提供几种不同的光标显示方式供选择。5）有些人用鼠标垫子提高鼠标球滚动的摩擦力。6）右边第二个按钮通常提供一些不太常用的功能。7）有些鼠标器厂家也为左撇子提供适用的鼠标驱动程序。8）如今鼠标器是任何个人计算机用户图形界面不可分割的一部分。9）键盘也包括某些标准功能键。10）IBM兼容机为商用机（也可用于家庭）〖Ex.4〗把下列短文翻译成中文系统前面板和普通键盘有专门控制键，用户可以使用这些控制键实现主要的多媒体功能：观相片、听音乐和看电影。前面板还有为看电视和阅读电视指南而设的快速启动按钮。〖Ex.6〗将左栏和右栏的单词匹配构成复合单词后再将其翻译成中文：ColumnAColumnBChinesemeaningofcompoundworddaughterwriterdaughterboard子板softwhatsoftware软件plugformplug-in插件keyrelatedkeyboard键盘typeintypewriter打字机platpadplatform平台somewaresomewhat有一点儿（表示程度）mathputmath-related与数学相关的keyboardkypad数字小键盘inboardinput输入〖Ex.7〗用名词做宾语将下面汉语译成英语1.Theorderofaccesstodifferentlocationsdoesnotaffectthespeedofaccess.2.Wetypically/usuallystoredatainRam.(orDataistypically/usuallystoredinRam.)3.Themousecancontrolapointeronthescreen.4.Somekeyboardshaveindependentshiftlockandcapslockkeys.〖Ex.8〗用that从句做宾语将下面汉语译成英语1.Youshouldknowthatyoucannotonlyreaddatafromthediskbutalsowritenewinformationtoit.2.Youshouldrealizethatfloppiesdonotholdtoomuchdata.3.OurcomputerteachersaidthatUSBismuchslowerthanFirewire.4.Ithink/believethattheCPUisprimarilyresponsibleforexecutinginstructions.〖Ex.9〗用疑问连词引出的从句充当宾语翻译下列各句。1.Pleasesaywhatthemonitordoes.2.Iwonder(wanttoknow)whythememorycanproducearbitraryrationalnumbers.3.Idon’tknowwhetherallthediskscanberemovedfromtheirdrivesornot.4.CanyousuggestwhereIcanbuyaUdisk?〖Ex.10〗根据文章所提供的信息判断正误1.(F)2.(F)3.(T)4.(T)5.(F)6.(F)7.(T)8.(T)9.(T)10.(T)11.(F)12.(T)13.(F)14.(T)unit2〖Ex.1〗根据课文内容，回答以下问题：1)Somedrivesarenotcapableofhavingnewdatawrittentothem,suchasCD-ROMorDVD-ROMs.2）Thesignalsorpoweristransmittedalongthebus.3）Thearemeanttoperformuser-definedtasks.4）Yes,itcanalsodemodulateanalogsignalsandconvertsthemtodigitalsignals.5）UsingPCI,acomputercansupportbothnewPCI(32bit)cardswhilecontinuingtosupportIndustryStandardArchitecture(ISA)expansioncards(16bit).6)Topromotestandardsforacreditcard-sizememoryorI/Odevicethatwouldfitintoanotebookorlaptopcomputer.7)“P&P”referstosuchdevicesthatyouplugintoacomputerandtheoperatingsystemcanrecognizeautomatically.8)ItallowsPCtocommunicatewithperipheralhardwaresuchasdiskdrives,tapedrives,printers,scannersetc.,muchfasterthanpreviousinterfaces.9)CD-ROMcanstorelargeamountsofinformation.10)Becauseitstoresthecomputer'soperatingsystem,files,programsanddocuments.11)Itsendstheimagestothemonitor.12)Inkjetsandbubblejetscan.13)Graphicintensiveuserswill.14)Itcannotreproducemusic,soundsandvoices.15)BIOSorCMOS.〖Ex.2〗根据下面的英文解释，写出相应的英文词汇（使用学过的单词、词组或缩略语）英文解释词汇1)Adevicethatreadsdatafromandwritesdataontoastoragemedium,suchasafloppydisk.1)drive2)Thepartofasystemthatproducesprintedmatter.2)printer3)Numericalorotherinformationrepresentedinaformsuitableforprocessingbycomputer.3)data4)Tovarythefrequency,amplitude（振幅）,phase,orothercharacteristicof(electromagneticwaves).4)modulate5)Anintegratedcircuitthatcontainstheentirecentralprocessingunitofacomputeronasinglechip.5)microprocessor6)acriterion.6)standard7)Thepointofinteractionorcommunicationbetweenacomputerandanyotherentity,suchasaprinterorhumanoperator.7)interface8)Anactivityprovidingentertainmentoramusement;apastime:8)game9)Circularregionsadiskisdividedinto9)tracks10)Thecombinationofequipmentneededtorunacomputersystem10)configuration〖Ex.3〗把下列句子翻译为中文：1）带宽通常用每秒钟的位数来计量。2）56K的调制解调器每秒钟能够转换大约57,000位。3）ISA（工业标准结构）是标准总线结构，与IBMAT主板相关。4）声音可以通过喇叭或耳机输出。5）一个G字节相当于1000个兆字节。6）鼠标器，键盘和打印机都可以通过电缆线与计算机连接