大工21秋《专业英语（计算机英语）》在线作业123辅导答案.docx

1、1.The1.The firstfirst generationgeneration computerscomputers werewere huge,slow,expensive,andhuge,slow,expensive,andoftenoften undependable.undependable.T.对F.错【参考答案】: T2.The2.The transistortransistor computercomputer diddid notnot lastlast asas longlong asas thethe vacuumvacuum tubetubecomputercomp

2、uter lasted,lasted, butbut itit waswas lessless importantimportant inin thethe advancementadvancement ofofcomputercomputer technology.technology.T.对F.错【参考答案】: F3.Transistors3.Transistors werewere a a tremendoustremendous breakthroughbreakthrough inin advancingadvancing puter.T.对F.错【参考答案】: T4.However

3、4.However whatwhat reallyreally triggeredtriggered thethe tremendoustremendous growthgrowth ofofcomputerscomputers andand itsits significantsignificant impactimpact onon ourour liveslives isis thethe inventioninventionofof thethe microprocessor.microprocessor.T.对F.错【参考答案】: T5.It5.It wasntwasnt until

4、until thethe 1980s1980s thatthat peoplepeople beganbegan buyingbuying computercomputerforfor personalpersonal use.use.T.对F.错【参考答案】: F6.A6.A computercomputer cancan bebe brokenbroken downdown intointo threethree distinctdistinct categories,categories,namelynamely output,inputoutput,input andand CPU.C

5、PU.T.对F.错【参考答案】: T7.The7.The termterm outputoutput consistsconsists ofof allall componentscomponents thatthat displaydisplay wordswordsandand graphicsgraphics soso thatthat a a personperson cancan seesee them.them.T.对F.错【参考答案】: T8.The8.The keyboardkeyboard isis classifiedclassified asas a a formform

6、 ofof output.output.T.对F.错【参考答案】: F9.Mouse9.Mouse belongsbelongs toto input.input.T.对F.错【参考答案】: T10.CPU10.CPU isis thethe soulsoul ofof a a puter.T.对F.错【参考答案】: T11.The11.The ENIACENIAC usedused thousandsthousands of(of( ),which),which tooktook upup a a lotlot ofof spacespaceandand gavegave offoff a

7、a greatgreat dealdeal ofof heatheat justjust likelike lightlight bulbsbulbs do.do.A.vacuum tubesB.integrated circuitsC.chipsD.switches【参考答案】: A12.In12.In 19471947 threethree scientists,scientists, JohnJohn Bardeen,Bardeen, WilliamWilliam Shockley,Shockley, andandWalterWalter BrattainBrattain working

8、working at(at( )invented)invented thethe transistortransistor puter.A.BaiduB.MicrosoftC.AT&Ts Bell LabsD.Yahoo【参考答案】: C13.The13.The fourthfourth generationgeneration computerscomputers cancan bebe characterizedcharacterized byby bothboththethe jumpjump toto monolithicmonolithic integratedintegrated

9、circuitscircuits andand thethe inventioninventionof(of( ).).A.microprocessorB.transistorC.chipD.circuit【参考答案】: A14.The14.The softwaresoftware andand hardwarehardware componentscomponents ofof a a computer(computer( ).).A.function independentlyB.can never be coordinatedC.rely on eachother and support

10、 each otherD.none of the above【参考答案】: C15.A15.A locationlocation inin RAMRAM memorymemory isis accessedaccessed byby its(its( ) )A.contentsB.addressC.storage unitD.storage capacity【参考答案】: B16.RAM16.RAM isis a(a( )storage.)storage.A.permanentB.flashC.temporaryD.expansion【参考答案】: C17.A(n)17.A(n) ( ( )

11、) mousemouse emitsemits andand sensessenses lightlight toto detectdetect movement.movement.A.cordlessB.opticalC.cameraD.microphone【参考答案】: B18.The18.The commoncommon inputinput devicesdevices areare thethe ( ( ) ) andand thethe ( ( ).).A.keyboard,printerB.keyboard,microphoneC.mouse,monitorD.mouse,key

12、board【参考答案】: D19.A19.A computercomputer mustmust includeinclude threethree ofof following.Whichfollowing.Which oneone isis notnotnecessary?necessary?A.input systemB.output systemC.processingsystemD.networking system【参考答案】: D20.Modern20.Modern operatingoperating systemssystems usuallyusually comecome

13、 withwith a a ( ( ).).A.application softwareB.GUIC.memoryD.printer【参考答案】: B1.Click1.Click thethe openopen folderfolder buttonbutton toto openopen anan existingexisting workbook.workbook.T.对F.错【参考答案】: T2.Click2.Click thethe PrintPrint buttonbutton toto printprint thethe workbook.workbook.T.对F.错【参考答案】

14、: F3.Use3.Use thethe spellspell checkerchecker toto correctcorrect spellingspelling errorserrors onon thetheworksheet.worksheet.T.对F.错【参考答案】: T4.Click4.Click thethe backwardbackward UndoUndo arrowarrow toto cancelcancel thethe firstfirst actionaction youyouperformed.performed.T.对F.错【参考答案】: F5.The5.T

15、he shortshort forfor MISMIS isis managementmanagement informationinformation system.system.T.对F.错【参考答案】: T6.A6.A networknetwork interfaceinterface onon eacheach computer,computer, usuallyusually calledcalled a a networknetworkinterfaceinterface card(NIC)card(NIC) oror adapter.adapter.T.对F.错【参考答案】: T

16、7.FTP7.FTP performsperforms basicbasic interactiveinteractive filefile transferstransfers betweenbetween hosts.hosts.T.对F.错【参考答案】: T8.Telnet8.Telnet enablesenables usersusers toto executeexecute terminalterminal sessionssessions withwith locallocalhosts.hosts.T.对F.错【参考答案】: F9.Most9.Most networksnetw

17、orkseveneven thosethose withwith justjust twotwo computerscomputers alsoalso containcontaina a hubhub oror switchswitch toto actact asas a a connectionconnection pointpoint betweenbetween thethe puters.T.对F.错【参考答案】: T10.A10.A VPNVPN offersoffers thethe securitysecurity andand fullfull datadata acces

18、saccess ofof a a privateprivateWAN,WAN, butbut becausebecause itit runsruns overover thethe InternetInternet , , itit isis moremore affordableaffordableandand plex.T.对F.错【参考答案】: T11.Microsoft11.Microsoft OfficeOffice 20002000 includesincludes Word,(Word,( ),Outlook),Outlook andandFrontPage.FrontPage

19、.A.ExcelB.Power PointC.AccessD.All of the above【参考答案】: D12.ERP12.ERP isis ( ( ).).A.Enterprise resource planning softwareB.Enterprise ApplicationIntegrationC.Electronic Application IntegrationD.None of theabove.【参考答案】: A13.(13.( ) ) isis anan operatingoperating systemsystem similarsimilar toto Unix.

20、Unix.A.Windows NTB.MS-DOSC.OS/2D.Linux【参考答案】: D14.A14.A backupbackup programprogram ( ( ).).A.makes a copy of files you selectB.returns you to the previousprogramC.undoes the last change you madeD.None of the above【参考答案】: A15.TCP/IP15.TCP/IP refersrefers toto a a suitesuite ofof ( ( ).).A.systemB.co

21、ntrol unitsC.application programsD.datacommunication protocols【参考答案】: D16.TCP/IP16.TCP/IP applicationapplication layerlayer protocolsprotocols includeinclude thethe followingfollowingexceptexcept ( ( ).).A.HTTPB.FTPC.UDPD.Telnet【参考答案】: C17.(17.( ) ) providesprovides reliable,reliable, full-duplexful

22、l-duplex connectionsconnections andand reliablereliableserviceservice byby ensuringensuring thatthat datadata isis resubmittedresubmitted whenwhen transmissiontransmissionresultsresults inin anan error.error.A.TCPB.ARPC.UDPD.IP【参考答案】: A18.(18.( ) ) layerlayer justjust aboveabove thethe internetinter

23、net layer.layer.A.Network InterfaceB.TCPC.Host-to-HostTransportD.Application【参考答案】: C19.(19.( ) ) areare collectionscollections ofof twotwo oror moremore connectedconnected puters.A.VPNB.ModemC.NetworksD.Cable【参考答案】: C20.We20.We abbreviateabbreviate VirtualVirtual PrivatePrivate NetworksNetworks tot

24、o ( ( ).).A.NICB.VPNC.HUBD.MODEM【参考答案】: B1.CD-ROM1.CD-ROM isis anan opticaloptical technologytechnology thatthat isis usedused toto makemake compactcompactdisksdisks forfor CDCD stereostereo systems.systems.T.对F.错【该小题正确选项为】: T2.CD2.CD isis designeddesigned toto readread thethe disksdisks andand tran

25、slatetranslate thethe datadata intointoa a formform itit cancan process.process.T.对F.错【该小题正确选项为】: F3.An3.An audioaudio wavewave isis a a two-dimensionaltwo-dimensional acousticacoustic wave.wave.T.对F.错【该小题正确选项为】: F4.The4.The InternetInternet isis a a worldworld widewide collectioncollection ofof net

26、worksnetworks thatthat useusethethe TCP/IPTCP/IP protocolsprotocols toto facilitatefacilitate datadata transmissiontransmission andandexchange.exchange.T.对F.错【该小题正确选项为】: T5.The5.The InternetInternet beganbegan asas thethe ARPANET.ARPANET.T.对F.错【该小题正确选项为】: T6.A6.A webweb pagepage isis writtenwritten

27、inin a a computercomputer languagelanguage calledcalled HTML.HTML.T.对F.错【该小题正确选项为】: T7.Each7.Each webweb pagepage hashas a a uniqueunique address,address, calledcalled a a URLURL thatthat identifiesidentifiesitsits locationlocation onon thethe work.T.对F.错【该小题正确选项为】: T8.C8.C isis anan object-oriented

28、object-oriented programmingprogramming language.language.T.对F.错【该小题正确选项为】: F9.A9.A programprogram isis a a setset ofof wordswords andand symbolssymbols thatthat allowallow a a programmerprogrammertoto telltell thethe computercomputer whatwhat operationsoperations toto follow.follow.T.对F.错【该小题正确选项为】:

29、 T10.ICQ10.ICQ isis a a popularpopular softwaresoftware programprogram forfor chatschats cancan bebe downloadeddownloadedforfor freefree fromfrom thethe ICQICQ website.website.T.对F.错【该小题正确选项为】: T11.Which11.Which oneone isis anan image-editingimage-editing tool?tool?A.PhotoshopB.WordC.Extreme 3DD.Pre

30、miere【该小题正确选项为】: A12.Which12.Which ofof thethe followingfollowing isis notnot a a formatformat forfor a a graphicalgraphical imageimagefile?file?A.BMP fileB.GIF fileC.JPG fileD.AVI file【该小题正确选项为】: D13.(13.( ) ) isis a a compiledcompiled object-orientedobject-oriented programmingprogramming languagel

31、anguage usedusedtoto writewrite applets.applets.A.CB.CC.JavaScriptD.Java【该小题正确选项为】: D14.A14.A ( ( ) ) isis a a collectioncollection ofof relationrelation fields.fields.A.fieldB.recordC.characterD.file【该小题正确选项为】: D15.Database15.Database managementmanagement system(DBMS)system(DBMS) programsprograms a

32、reare designeddesigned totoworkwork withwith datadata thatthat isis logicallylogically structuredstructured oror arrangedarranged inin a aparticularparticular way,way, knownknown asas ( ( ).).A.data modelB.databaseC.informationD.data【该小题正确选项为】: A16.To16.To protectprotect data,data, youyou needneed t

33、oto implementimplement a a datadata ( ( ) ) andand recoveryrecoveryplan.plan.A.modifyB.backupC.deleteD.All above【该小题正确选项为】: B17.(17.( ) ) isis anan outlineoutline ofof thethe logiclogic ofof thethe programprogram youyou willwill write.write.A.Program flowchartsB.LogicstructuresC.PseudocodeD.Design【该

34、小题正确选项为】: A18.To18.To accessaccess thethe Web,Web, usersusers requirerequire a a ( ( ) ) ,which,which isis thethe softwaresoftwareprogramprogram usedused toto accessaccess thethe WorldWorld WideWide Web.Web.A.Plug-insB.HelperC.Add-onsD.Web browser【该小题正确选项为】: D19.The19.The standardstandard protocolpr

35、otocol usedused forfor sendingsending InternetInternet e-maile-mail isiscalledcalled ( ( ).). ItIt worksworks inin conjunctionconjunction withwith POPPOP servers.servers.A.SMTPB.WWWC.TCPD.UDP【该小题正确选项为】: A20.Which20.Which ofof thethe followingfollowing isis notnot thethe e-commercee-commerce businessbusiness models?models?A.Business-to-Business(B2B)B.Electronic fundtransferC.Business-to-Customer(B2C)D.Customer-to-Customer(C2C)【该小题正确选项为】: B