1.A__D_copyisacopyofacurrentfilemadeinordertoprotectagainstlossordamage.备份拷贝是为了防止丢失或损坏而制作的当前文件的副本。A.softB.fileC.hardD.backup2.Themostcommonlyusedtoolinthedesignphaseisthe____D____.在设计阶段最常用的工具是结构图A.topologychartB.flowchartsC.object-relationshipchartD.structurechart3.____A____referstothepartsofthecomputerthatyoucanseeandtouch.硬件指的是你能看到和触摸到的电脑的各个部分A.HardwareB.InstructionC.HardshipD.Software4.ifwewanttoretrievedatafromthedatabasewithSQL,weshouldusethecomandofD如果我们想用SQL从数据库中检索数据,我们应该使用comandA.ins_ertB.upd_ateC.del_eteD.sel_ect5.Whichofthefollowingisnotthestagesofprogramming?A下面哪个不是编程的阶段A.Printtheprogram.B.Debugtheprogram.C.Compiletheprogram.D.Writeaprogram.6.Multimediawillbecomeincreasingly__B__throughouteveryaspectofourlives.多媒体将在我们生活的各个方面变得越来越普遍A.preciseB.pervasiveC.permitD.pass7.CommunicationthroughtheInternet,the_C___performsthereversefunction.通过Internet进行通信,数据通信设备(DCE)执行反向功能。A.CRTB.Astationcontroller(STACO)C.Datacommunicationsequipment(DCE)D.DTE8.High-levellanguagesmustfirstbetranslatedintoa(n)____C___languagebeforetheycanbeunderstoodandprocessedbyacomputer高级语言必须首先被翻译成(n)机器语言,然后才能被计算机理解和处理。A.AdvancedB.commonC.MachineD.Usual9.Data_A__canreducetheamountofdatasentorstoredbypartiallyeliminatinginherentredundancy.数据压缩可以通过部分消除固有的冗余来减少发送或存储的数据量。A.compressionB.configurationC.conversionD.compilation10.WhatdoesTimBerners-Lee'sdescriptionaboutWeb2.0mean?_____D_____蒂姆伯纳斯-伯纳斯关于web2.0的描述是什么意思?Web2。0是万维网上的一场革命A.Web2.0isanentirelynewconcept.B.Web2.0isaverypopularnow.C.Web2.0isnotdefinedclearly.D.web2.0isanrevolutionintheWorldWideWeb11.E-commercedobusinessthrough____D_____.电子商务通过互联网和EDI进行业务A.wire-photoB.face-to-facemeetingC.computerD.InternetandEDI12.Whena_____B____isused,allthedevicesinthenetworkareconnectedtoasinglecable.当使用总线网络时,网络中的所有设备都连接到单个电缆。A.networkB.busnetworkC.starnetworkD.ringnetwork13.A___D___isusedtocommunicatewithanothercomputerovertelephonelines.调制解调器是用来与另一台计算机通过电话线进行通信的A.mouseB.printerC.keyboardD.modem14.J2EEisasingle-languageplatform;callsfrom/toobjectsinotherlanguagesarepossiblethrough___D_____,butthiskindofsupportisnotaubiquitouspartoftheplatform.J2EE是一个单一语言的平台;通过CORBA,可以使用其他语言的对象调用,但是这种支持并不是平台中普遍存在的一部分。A.CLRB.IISC.OMGD.CORBA15.(C)asasignificantmajorityofmarketshareinthedesktop微软Windows占桌面市场份额的绝大部分A.MacOSB.unixC.MicrosoftWindowsD.linux16.Heinsistedonleavingearly(D)Itoldhimnotto.他坚持要早走,尽管我告诉他不要这么做。A.butB.whenC.whileD.although17.primarymemorywhichisstoredonchipslocated___D_____.存储在主板上的芯片上的主存A.ontheCPUB.outsideC.insidetheprocessorD.onthemotherboard18.whatdoesneuralnetworkmean?C神经网络”是什么意思A.精神网B.自然网络C.神经网络D.社会网络19.Hardwarecomponentsareusedforthepurposeof(B).硬件组件用于上述所有的目的A.centralprocessingB.alloftheaboveC.inputD.output20.Smallasitis,apersonalcomputercanperformthesameprograminstructionsas(C).尽管它很小,但个人电脑可以执行与大型计算机相同的程序指令A.typewriterB.printersC.largercomputersD.humanbeings21.The_____A____hiddenintheinfectedsystemdoesnotbreakoutimmediately;instead,itneedscertaintimeorsomeconditionbeforeitbreaksout.隐藏在受感染系统中的病毒不会立即爆发;相反,它需要一定的时间或某种条件才能爆发。A.virusB.fileC.dataD.software22.“Multimedia”meansthat____B_____.“多媒体”意味着它可以同时完成所有的工作。A.itcanshowagraph.B.itcandoallaboveatthesametime.B.C.itcanplaymusicD.itcanrotateathree-dimensionalmodel.23.___D__isanarchitecturalframework.是一个架构框架。A.DnsB.httpC.ftpD.在以下设备中,不包括在现代计算机晶体管的核心组件列表中。A.RAMB.Transistor(晶体管)C.MicroprocessorD.Chip26.Thelargerthesystemofthecomputer,thegreaterits(A).计算机系统越大,存储容量就越大A.storagecapacityB.neitherAnorBC.processingspeedD.bothAandB27.Thereare__B__separateproductsthatformtheWindows2000。有四种独立的产品构成了Windows2000。A.onlyoneB.fourC.twoD.three28.ThepurposeoftheAistoprovidefullyintegratedanalogservicestousers.AA的目的是为用户提供完全集成的模拟服务。A.ISDNB.HTTPC.(C)andpseudocodearetoolsusedbyprogrammersintheimplementationphase.在系统开发过程中,流程图和伪代码是程序员在实现阶段使用的工具A.object-relationshipchartB.structurechartC.flowchartsD.toplogicchart31.WhichofthefollowingRDBMSisnotopensourceaccordingtothisarticle?_____B_____根据本文,下列RDBMS中哪一个不是开源的A.MySQLB.SQLServerC.SQLiteD.PostgreSQL32.A(n)___D_____isusuallyacomputerinstalledwiththenecessarysoftwareandallowstwonetworks,eachwithacompletelydifferentsetofprotocols,tocommunicate.网关通常是安装了必要软件的计算机,并允许两个网络,每个网络都有一个完全不同的协议集,用于通信。A.RouterB.hubC.switchD.gateway33.Ahardwareorsoftwaremalfunctioncancauseasystemto(D).硬件或软件故障会导致系统崩溃A.crackB.crushC.collideD.crash34.Acompanyˊsabilitytodeployandsupportcustomer-oriented(B)systemswillbeofvitalimportancetoitsprosperity.一家公司部署和支持以客户为导向的电子商务系统的能力将对其繁荣至关重要。A.e-LearningB.e-BusinessC.e-ShoppingD.e-Banking35.TheabbreviationUSBstandsforUniversal(B)Bus.通用串行总线的缩写是USB。A.SymmetricB.SerialC.SyntacticD.Sequential36.Inthesystemdevelopmentprocess,thecodeiswritteninthe___B__phase.在系统开发过程中,代码是在实现阶段编写的。A.testingB.implementatio