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计算机英语课后练习题答案Chapter11.1TTFFF1.G2.D3.A4.C5.E6.I7.H8.F9.B10.J1.hardware2.digital3.executes4.software5.modified6.Firmware7.users8.disc9.computers1.Inputsarethesignalsordatareceivedbythesystem,andoutputsarethesignalsordatasentfromit.输入是系统所收到的信号或数据，输出是系统所发出的信号或数据。2.Keyboardsandmousesareconsideredinputdevicesofacomputer,whilemonitorsandprintersareconsideredoutputdevicesofacomputer.键盘和鼠标被认为是计算机的输入装置，而显示器和打印机被认为是计算机的输出装置。3.Devicesforcommunicationbetweencomputers,suchasmodemsandnetworkcards,typicallyserveforbothinputandoutput.计算机之间的通讯装置，例如调制解调器和网卡，通常起输入和输出作用。4.Theprintertakestheinformationonyourscreenandtransfersittopaperorahardcopy.打印机接收您屏幕上的信息并将其转移到纸张或硬拷贝上。5.Amodemisusedtotranslateinformationtransferredthroughtelephonelinesorcable.调制解调器是用来转换通过电话线或电缆传输的信息。1.2FTTTT1.F2.C3.E4.G5.I6.J7.B8.A9.H10.D1.mainboard2.MoBo3.IBM-compatible4.electricalconnections5.peripheral6.mainmemory7.components8.devices9.integrate1.Motherboardisthebodyormainframeofthecomputer,throughwhichallothercomponentsinterface.主板是计算机的“身体”或主机，所有其他组件通过它而连接。2.Centralprocessingunitperformsmostofthecalculationswhichenableacomputertofunction,sometimesreferredtoasthebrainofthecomputer.中央处理器执行使电脑发挥作用的大部分的计算，有时被称为计算机的“大脑”。3.Computerfanisusedtolowerthetemperatureofthecomputerandthecomputercasewillgenerallyhaveseveralfanstomaintainaconstantairflow.计算机风扇是用来降低计算机的温度，计算机机箱通常有几个风扇保持持续的空气流通。4.RandomAccessMemoryisthefast-accessmemorythatisclearedwhenthecomputerispowered-down.随机存取存储器是当计算机关闭时便清除记忆的快速存取储器。5.Firmwareisloadedfromthereadonlymemory(ROM)runfromtheBasicInput-OutputSystem(BIOS).固件是通过基于基本输入输出系统(BIOS)运行的只读存储器(ROM)加载。1.3FFFTF1.D2.G3.B4.F5.A6.J7.I8.E9.C10.H1.desktopcomputer2.tablet3operating4.Linux5.microprocessors6.compatible7.MicrosoftWindows8.applications9.access1.Acomputercaseistheenclosurethatcontainsthemaincomponentsofacomputer.计算机机箱是一个包含有计算机主要组成部分的盒子。2.Casesareusuallyconstructedfromsteel,aluminium,orplastic,althoughothermaterialssuchaswood,plexiglashavealsobeenusedincasedesigns.机箱通常是用钢铁，铝，或塑料制造，虽然其他材料，如木材、树脂玻璃也被用于机箱设计。3.Thesizeandshapeofacomputercaseisusuallydeterminedbytheformfactorofthemotherboardthatitisdesignedtoaccommodate,sincethisisthelargestandmostcentralcomponentofmostcomputers.计算机机箱的尺寸和形状通常由被设计来与之匹配的主板的大小确定，因为主板是大部分计算机的最大和最核心的组成部分。4.Consequently,personalcomputersizestypicallyspecifyonlytheinternaldimensionsandlayoutofthecase.因此，个人电脑的尺寸通常只指内部尺寸和机箱布局。5.Sizesforrack-mountedandbladeserversmayincludepreciseexternaldimensionsaswell,sincethesecasesmustthemselvesfitinspecificenclosures.机架固定式刀片服务器可能也要包括精确的外部尺寸，由于这些机箱本身必须安装在特定的罩子里。1.4TTTFF1.E2.G3.I4.A5.B6.C7.J8.D9.H10.F1.developer2.DRAM3.microprocessor4.business5.industry6.dominant7.tactics8.PC9.brands1.Intelhasbecomeoneoftheworld'smostrecognizablecomputerbrandsfollowingitslong-runningIntelInsidecampaign.在长时间进行“英特尔在里面”商业宣传后，英特尔已经成为世界上最易辨认的电脑品牌之一。2.IntelpaidhalftheadvertisingcostsforanyadthatusedtheIntelInsidelogo.对任何使用IntelInside为标识的广告，英特尔公司都支付一半的费用。3.InJune1994,Intelengineersdiscoveredaflawinthefloating-pointmathsubsectionofthePentiummicroprocessor.在1994年6月，英特尔的工程师在奔腾微处理器的浮点型数学部分发现了一个缺陷。4.Badcompaniesaredestroyedbycrisis,Goodcompaniessurvivethem,Greatcompaniesareimprovedbythem.差劲的公司因危机而毁灭，良好的公司平安渡过危机，伟大的公司因危机而改善。5.Duringthisperiod,Intelundertooktwomajorsupportingprogramsthathelpedguaranteetheirprocessor'ssuccess.在此期间，英特尔公司进行了两个重大的支持性项目，以帮助确保他们处理器的成功。Chapter22.1TFTFT1.E2.G3.J4.A5.H6.B7.I8.D9.C10.F1.manages2.applications3.applicationprograminterface4.graphicaluserinterface5.multitasking6.run7.turn8.internal9.output10.dial-upports1.Everygeneral-purposecomputermusthaveanoperatingsystemtorunotherprograms.通用计算机必须装备操作系统以运行其他程序。2.Forlargesystems,theoperatingsystemhasevengreaterresponsibilitiesandpowers.对于大型系统而言，操作系统具有更大的职责和权限。3.Theoperatingsystemisalsoresponsibleforsecurity,ensuringthatunauthorizedusersdonotaccessthesystem.操作系统也负责安全，确保未经授权的用户不得访问系统。4.Yourchoiceofanoperatingsystem,therefore,determinestoagreatextenttheapplicationsyoucanrun.因此，操作系统的选择在很大程度上决定你所能运行的应用程序。5.Operatingsystemsprovideasoftwareplatformontopofwhichotherprograms,calledapplicationprograms,canrun.操作系统提供软件平台。随后，被称为应用程序的其它程序方能运行。2.2TTFFT1.E2.I3.F4.A5.G6.C7.J8.D9.B10.H1.graphic2.interface3.visual4.instantsearchfunction5.locate6.created7.contains8.enables9.searchfolders10.icons1.WindowsVistaUltimateisthemostexpensiveedition,butitcombinesthemobilityandbusinessfunctionsofVistaBusinesswiththeentertainmentfeaturesofVistaHomePremium.WindowsVista旗舰版是最昂贵的版本,但它将Vista商业版的灵活性和商业功能与Vista家庭高级版的娱乐功能揉合起来。2.IfyourPChasIntelmotherboardwithhighdefinitionAudiosupportthenyoucantakeadvantagesofsomecoolfeatures.如果您的个人电脑配有高清晰度音频支持的英特尔主板，那么你就可以享用这些很酷的功能。3.Vistahassecurityandmobilityfeaturesthatyouneedforwork,andalloftheentertainmentfeaturesthatyouwantforfun.Vista拥有你工作所需要的安全性和灵活性，以及你因休闲所需的娱乐功能。4.Withsomanyeditionsavailable,itisworthwhiletocarefullyexplorethefunctionsprovidedbydifferenteditionsifyouintendtoupgradetoWindowsVista.既然有如此多的版本供选择，如果你有意升级WindowsVista，值得细心研究不同版本所提供的功能。5.Opencontrolpanelandinthesearchboxtype“optimizevisualdisplay”andclicktheshortcuttoseethedialogbox.打开