计算机专业英语试题及答案B卷.docx

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

湖北职业技术学院2008-2009学年度第一学期期末考核试卷

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

queuej.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,whichiseithertootedio