计算机专业英语试题及答案B卷.docx
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计算机专业英语试题及答案B卷
考核课程:
《计算机专业英语》考试类型:
理论考试方式:
闭卷笔试
学生所在院系:
信息技术学院年级:
2007级试卷:
B
姓名:
班级:
学号:
题号
一
二
三
四
五
六
总分
得分
得分
阅卷人
Ⅰ.TranslatethefollowingphrasesintoEnglish(将下列短语翻译成英语)(10%)
1.机器语言()
2.随机存取存储器()
3.汇编语言指令()
4.软件产品()
5.取指—译码—执行()
6.面向服务的()
7.电子媒介()
8.感染模块()
9.分辨率()
10.硬件维护()
得分
阅卷人
Ⅱ.Matchthefollowingwordsandexpressionsintheleftcolumnwiththosesimilarinmeaningintherightcolumn(将左列的词汇与右列相应的汉语匹配)(10%)
1.outputdevicesa.操作系统
2.siliconb.扩展存储器
3.expandedmemoryc.硅
4.databaseadministratord.输出设备
5.operatingsysteme.汇编语言
6.assemblylanguagef.数据库管理员
7.gatewayg.数字图像处理
8.lasertechnologyh.网关
9.digitalimageprocessingi.作业队列
10.jobqueuej.激光技术
1.()6.()
2.()7.()
3.()8.()
4.()9.()
5.()10.()
得分
阅卷人
Ⅲ.FillintheblankswiththecorrespondingEnglishabbreviations.(根据汉语写出相应的英语缩写)(10%)
1.广域网_________6.网络服务提供商_________
2.超文本传输协议_________7.可扩展标记语言_________
3.计算机辅助设计_________8.基本输入输出系统_________
4.万维网联盟_________9.信息技术_________
5.数据库管理系统_________10.万维网__________
得分
阅卷人
Ⅳ.Foreachofthefollowingblanks,fourchoicesaregiven.Choosethemostappropriateone(从下面给出的四个选项中选择最恰当的答案)(15%)
1._________referstothenumberofindividualdotsofcolor,knownaspixels,containedonadisplay.
A.DotPitchB.Resolution
C.RefreshRateD.ScanStyle
2.Aprocessoriscomposedoftwofunctionalunits,theyare_________.
A.anarithmetic/logicunitandastorageunit
B.acontrolunitandsomeregisters
C.acontrolunitandanarithmetic/logicunit
D.someregistersanarithmetic/logicunit
3._________isastoragelocationinsidetheprocessor.
A.AregisterB.ALU
C.ControlD.Memory
4.Aperiodicrefreshisneededtorestoretheinformationforthe_________.
A.SRAMB.DRAM
C.EPROMD.EEPROM
5.Therawdataarestoredonthediskusingthe_________.
A.datadictionaryB.filesystem
C.DBMSD.DBA
6.The_______servesasaninterfacebetweenhardwareandsoftware.
A.systemB.applicationprogram
C.operatingsystemD.controlunit
7.Mostoperatingsystemhaveastandardsetof_________tohandletheprocessingofallinputandoutputinstructions.
A.spreadsheetB.controlinstructions
C.I/OoperationD.datatable
8._________usescommandsthatareeasierforprogrammerstounderstandthanaremachinelanguagecommands.
A.AssemblylanguageB.High-levellanguage
C.ClanguageD.C++language
9.Whena_________isused,allthedevicesinthenetworkareconnectedtoasinglecable.
A.busnetworkB.ringnetwork
C.starnetworkD.network
10.TwocommonapplicationsofLANsare_________resourcesharingandinformationresourcesharing.
A.softwareB.computer
C.networkD.hardware
11.WithInternetExplorerandanInternetconnection,youcansearchforandviewinformationonthe________.
A.ActiveDesktopB.Programs
C.PhoneDialerD.WorldWideWeb
12.ToopenInternetExplorer,justclickStart,pointto_________,andthenclickInternetExplorer.
A.ProgramsB.View
C.LayoutD.ControlPanel
13.E-commercedoesbusinessthrough_________.
A.face-to-facemeetingB.computer
C.wire-photoD.InternetandEDI
14.Everytransactioninelectroniccommerceincludesinformationflow,commercialflow,_______andmaterialflow.
A.dataflowB.currencyflow
C.merchandiseflowD.fileflow
15.Manycompaniesuse_________totraintheiremployees.
A.technologyB.entertainment
C.multimediaapplicationsD.animation
得分
阅卷人
Ⅴ.Readingcomprehension(阅读理解)(35%)
(一)Fillintheblankswithsuitablewordsorexpressionsfromthelistgivenbelow,andchangetheformwherenecessary(从下面所列词语中选择合适的词语,以其适当的形式填空)(5%)
requirementsmaintaindisciplined
codingmodify
SoftwareEngineering,whichmeanstheapplicationofengineeringtosoftware,isamethodtodevelop,operateand________software.Thatis,thedevelopmentofsoftwareisonasystematic,_________,quantitivebasis.Beforestartingthedevelopmentofsoftware,youhavetosystematicallyapproachtheproblem.Youhavetounderstandthe_________(whatthesoftwareissupposedtodo),carryoutthedesign,dothe_________,carryoutarigoroustestingandifthesoftwareisaspertherequirements,releasethesoftwaretothecustomer.Subsequently,ifthecustomerwantssomechanges--refinementsorenhancementsthenthesoftwarehastobe_________.
PassageA
Thecentralprocessingunit(CPU)istheheartofthecomputersystems.Amongotherthings,itsconfigurationdetermineswhetheracomputerisfastorslowinrelationtoothercomputers.TheCPUisthemostcomplexcomputersystemcomponent,responsiblefordirectingmostofthecomputersystemactivitiesbasedontheinstructionsprovided.Asonecomputergenerationhasevolvedtothenext,thephysicalsizeoftheCPUhasoftenbecomesmallerandsmaller,whichitsspeedandcapacityhaveincreasedtremendously.Indeed,thesechangeshaveresultedinmicro-Computersthataresmallenoughtofitonyourdeskandyourlap.
TheCPUcomprisesthecontrolunitandthearithmetic/logicunit(ALU).
Thecontrolunitisresponsiblefordirectingandcoordinatingmostofthecomputersystemsactivities.Itdeterminesthemovementofelectronicsignalsbetweenmainmemoryandthearithmetic/logicunit,aswellasthecontrolsignalsbetweentheCPUandinput/outputdevices.
TheALUperformsallthearithmeticandlogical(comparison)functions—thatis,itadds,subtracts,multiplies,divides,anddoescomparison.Thesecomparisons,whicharebasically“lessthan”,“greaterthan”,and“equalto”,canbecombinedintoseveralcommonexpressions,suchas“greaterthanorequalto”.Theobjectiveofmostinstructionsthatusecomparisonsistodeterminewhichinstructionshouldbeexecutednext.
(二)Tellwhetherthefollowingstatementsaretrue(T)orfalse(F)accordingtothepassageA(根据上文的内容判断下列句子的正误)(10%)
1.Withthedevelopmentofcomputer,thephysicalsizeoftheCPUhasoftenbecomebiggerandbigger.()
2.ThemovementofelectronicsignalsbetweenmainmemoryandtheALUaswellasthecontrolsignalbetweentheCPUandinput/outputdevicesarecontrolledbythecontrolunitoftheCPU.()
3.TheCPUcomprisesthecontrolunitandmemory.()
4.Thecontrolunitperformsallthearithmeticandlogicalfunctions.()
5.Thecentralprocessingunit(CPU)istheheartofthecomputersystems.()
PassageB
Acomputervirusisacomputerprogramthatiscreatedtomakeandspreadcopiesofitself.Theprogrammayhoweveralsobedesignedtohaveothereffectsonthesystemsitinfects,rangingfromtheannoyingtothedisastrous.
Virusattacksaregrowingrapidlythesedays.AccordingtoBusinessWeek,the76,404attacksreportedinthefirsthalfof2003nearlymatchpreviousyear'stotalnumber.Asnewantivirustoolsaremorepowerfulthanbefore,theviruswritersaregettingalotsmarterwithnewerandcreativewaystoattacknetworksystems.Let'sfirstexaminesomecommonvirustypes:
BasicVirusapieceofsoftwarecodethatisdevelopedtoattackcomputersandnetworksystemsviaemailorInternetconnections.Itquicklyreplicatesitselfandgraduallyattachestofiles,programsortheharddrive.
TrojanHorses-Thisisaprogramthatdoesn'treplicatewhenenteringasystembutcanbeeffectivelyusedtoopen'backdoors.'TrojanHorsesallowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.
Worm-thistypeofvirusisabletospreaditselfautomaticallyoverthenetworkfromonecomputertothenext.Duringawormattack,users'computersgetinfectedwithoutevenhavingtoclickopenemailattachmentoranyprogram,etc.
Sinceitisverydifficulttoavoidthevirus,yourbestdefenseisapowerfulantivirusprogram.Inordertofightwithsuchviruses,thesoftwarevendorsshouldfocusonmakingtheirproductsmorerobust.Thismayaskforatrade-offbetweenuser-friendlinessandsecurity.Inspecificcasesitmayrequireline-by-lineinspection,coderetoolingandevensystemsautomationtodefendtheinstalledprograms.
(三)ChoosethebestansweraccordingtothepassageB(根据上文的内容选择正确的答案)(10%)
1.Acomputervirusisacomputerprogramthatiscreatedtomakeandspread_________ofitself.
A.programsB.virusC.copiesD.files
2.Wormspreaditselfexceptby_________..
A.networkB.E-mailC.programD.hardware
3.Antivirusprogramcanscanand_________virus.
A.cleanB.produceC.replicateD.make
4.TrojanHorses_________.
A.quicklyreplicateitselfandgraduallyattachtofiles,programsortheharddrive.
B.infectthecomputerwithoutevenhavingtoclickopenemailattachmentoranyprogram.
C.allowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.
D.avoidthevirustoattackcomputer.
5.AccordingtoBusinessWeek,the_________attacksreportedinthefirsthalfof2003nearlymatchpreviousyear'stotalnumber.
A.86,404B.76,404C.56,354D.34,876
PassageC
Inordertosolveacomputationalproblem,itssolutionmustbespecifiedintermsofasequenceofcomputationalsteps,eachofwhichmaybeperformedbyahumanoradigitalcomputer.Ifyouwanttosolvethecomputationalproblemwithacomputer,youshouldlearnhowtoprogram.Thetaskofdevelopingprogramsforthesolutionofcomputationalproblemsisreferredtoasprogramming.Computerprogrammingistheprocessofplanningandcreatingasequenceofstepsforacomputertofollow.Ingeneral,thisprocesswillhelpusresolveaproblem,whichiseithertootediousordifficulttoworkoutotherwise.Soprogrammingisbreakingataskdownin