计算机专业英语模拟试题

计算机专业英语模拟试题一

一、单项选择题

1.Mostsystemboardshavetwokindsofpowerconnectors:.

A.ATandISAstylesB.ATXandISAstyles

C.ATandEISAstylesD.ATandATXstyles

参考答案：D

难易程度：难

2.Aprocessoriscomposedoftwofunctionalunits,theyare.

A.anarithmetic/logicunitandastorageunit

B.acontrolunitandsomeregisters

C.acontrolunitandanarithmetic/logicunit

D.someregistersanarithmetic/logicunit

参考答案：C

难易程度：易

3.isastoragelocationinsidetheprocessor.

A.AregisterB.ALU

C.ControlD.Memory

参考答案：A

难易程度：易

4.Aperiodicrefreshisneededtorestoretheinformationforthe.

A.SRAMB.DRAM

C.EPROMD.EEPROM

参考答案：B

难易程度：难

5.Therawdataarestoredonthediskusingthe.

A.datadictionaryB.filesystem

C.DBMSD.DBA

参考答案：B

难易程度：易

6.Videodiscandlasertechnologyprovidetheabilityto

A.costmoreB.createsomeeducationfiles

C.enhanceotherformsofeducationD.storelargeamountsofdata

参考答案：D

难易程度：难

7.isthemostwidelyusedoperatingsystem.

A.MacOS

B.Linux

C.UNIX

0.Windows

参考答案：D

难易程度：易

8.Toconnectseveralcomputerstogether,onegenerallyneedstoberunninga(n)operating

system.

A.Network

B.Internet

C.stand-alone

0.embedded

参考答案：A

难易程度：难

9.Asystemcomponentthattranslatesdataandprogramsthathumanscanunderstandintoaformthatthe

computercanprocessiscalleda(n).

A.pointer

B.inputdevice

C.outputdevice

0.display

参考答案：B

难易程度：易

10.Thesystemcomponentthatcontrolsandmanipulatesdatainordertoproduceinformationiscalled

the.

A.monitor

B.microprocessor

C.mouse

□.keyboard

参考答案：B

难易程度：易

11.Everytimethecomputersystemisstarted,theoperatingsystemloadstheseintomemory.

A.Windowsupdates

B.Driverupdates

C.Devicemanagers

0.Devicedrivers

参考答案：D

难易程度：易

12.Inthelargerpicture,arecommontoolsinallareasoflife.

A.supercomputers

B.minicomputers

C.mainframes

0.microcomputers

参考答案：D

难易程度：难

13.Aconcentricringonaharddiskisreferredtoasa.

A.table

B.segment

C.Track

D.sector

参考答案：C

难易程度：易

14.Whenyourunyourcomputer,willbefirststarted.

A.OperationsystemB.systemsoftware

C.officesoftwareD.drivensoftware

参考答案：A

难易程度：易

15.Postistheshortformfor.

A.poweronself-testB.postofficesystemtest

C.poweronsystem-testD.personaloperatingsystemtext

参考答案：A

难易程度：易

二、阅读理解题

AmicrocomputerisadesktopornotebooksizecomputingdevicethatusesamicroprocessorasitsCentral

ProcessingUnit,orCPU.MicrocomputersarealsocalledPersonalComputers(PCs),homecomputers,small

businesscomputers,andmicros.Thesmallest,mostcompactarecalledlaptops.Whentheyfirstappeared,they

wereconsideredsingleuserdevices,andtheywerecapableofhandlingonlyfour,eight,or16bitsofinformation

atonetime.Morerecentlythedistinctionbetweenmicrocomputersandlarge,mainframecomputers(aswellas

thesmallermainframetypesystemscalledminicomputers)hasbecomeblurred,asnewermicrocomputermodels

haveincreasedthespeedanddatahandlingcapabilitiesoftheirCPUsintothe32bit,oreven64bitmultiuser

range.

Microcomputersaredesignedforuseinhomes,schools,andofficesettings.Withinthehome,theycanserve

bothasatoolforhomemanagement(balancingthefamilycheckbook,structuringthefamilybudget,indexing

recipes)andasarecreationaldevice(playingcomputergames,catalogingrecordsandbooks)Schoolchildrencan

usemicrocomputersfordoingtheirhomework,andinfactmanypublicschoolsnowemploythedevicesfor

programmedlearningandcomputerliteracycourses.Smallbusinessesmaypurchasemicrocomputersforword

processing,bookkeeping,andthestorageandhandlingofmailinglists.

Aminicomputerisamid-levelcomputerbuilttoperformcomplexcomputationswhiledealingefficiently

withahighlevelofinputandoutputfromusersconnectedviaterminals.Minicomputersalsofrequentlyconnect

tootherminicomputersonanetworkanddistributeprocessingamongalltheattachedmachines.Minicomputers

areusedheavilyintransactionprocessingapplicationsandasinterfacesbetweenmainframecomputersystems

andwideareanetworks.

Amainframecomputerisahighlevelcomputerdesignedforthemostintensivecomputationaltasks.

Mainframecomputersareoftensharedbymultipleusersconnectedtothecomputerviaterminals.Themost

powerfulmainframes,calledsupercomputers,performhighlycomplexandappliedresearchbyscientists,large

businesses,andthemilitary.

Incomputerscience,supercomputersarelarge,extremelyfast,andexpensivecomputersusedforcomplexor

sophisticatedcalculations,typically,machinescapableofpipelininginstructionexecutionandprovidingvector

instructions.Asupercomputercan,forexample,performtheenormousnumberofcalculationsrequiredtodraw

andanimateamovingspaceshipinamotionpicture.Supercomputersarealsousedforweatherforecasting,large

scalescientificmodeling,andoilexploration.

1.Wecanseefromthetextthatacomputercan.

A.onlybeusedasacalculatingdevice

B.notbeusedinthehome

C.findusesalmosteverywhere

D.notbemadeverysmall

参考答案：C

难易程度：易

2.Howmanytypesofregularcomputersareintroducedinthistext?

A.1

B.2

C.3

D.4

参考答案：D

难易程度：中

3.Whichofthefollowingisthesmallest?

A.Alaptop.B.Adesktop.C.Aminicomputer.D.Asupercomputer.

参考答案：A

难易程度：中

4.Whichofthefollowingisnottrue?

A.Pupilscanusecomputerstodotheirhomework.

B.ACPUcannotbeamicroprocessor.

C.Thedistinctionbetweenmicrosandmainframeshasbecomeblurred.

D.APCcanbealaptoporadesktop.

参考答案：B

难易程度：易

5.Wecaninferthat.

A.therewillbenodistinctionbetweenmicrosandmainframesinthefuture

B.itisunimaginabletodoresearchnowadayswithoutthehelpofacomputer

C.thefifthgenerationcomputerwillbeproducedwithin2years

D.electroniccomputerswillsoonbeoutofdata

参考答案：B

难易程度：中

Alocationinmainmemoryisaccessedbyitsaddress.Often,thecontentsofmemoryaresimplyread.When

memoryisread,itscontentsarenotchanged.Forexample,imaginethatbytenumber42containsthecharacterA.

Iftheprocessorreadsbyte42,theAisstillthere.However,writingtomainmemorydestroystheoldcontents.If

theprocessorweretowritethecharacterXtobyte42,thenewvaluewouldreplacetheold,andtheAwouldbe

lostforever.

Themainmemoryofmostcomputersiscomposedofrandomaccessmemory,orRAM.Theprogrammer

(throughaprogram,ofcourse)canreadorwriteRAM.InputdatacanbestoredinRAM,destroyingtheold

contentsoftheselectedbytesorwords.Oncethedataarein,theycanbereadandmanipulatedbytheprocessor,

andresultswrittentoothermemorylocations.Finally,thecontentscanbesenttoanoutputdevice.Whena

programisfinished,anewprogramcanbecopiedintoRAM,erasingtheoldoneintheprocess.Thecontentsof

RAMareeasytochange.

Usually,RAM'sflexibilityisanadvantage.Occasionally,however,itcanbeaproblem.Consider,fbr

example,theautomatictellerterminalsusedinmanybanks.Theyarecontrolledbysmallcomputerswhich,in

turn,arecontrolledbyprograms.Asharpprogrammermightbeabletomodifyoneofthoseprogramstogivefree

accesstocertainaccounts.Needlesstosay,thebankcouldnottoleratesuchchanges.Thebankneedsaprogram

thatcanbereadbytheprocessor,butnotmodified.Suchprogramsarestoredinread-onlymemory,orROM.

AnothergoodexampleofaROM-basedprogramistheBASIClanguageinteipreterfoundinmany

microcomputers.ROMis"permanent"memorythatcanberead,butnotwritten.

1.Whatisthemainideaofthispassage?

A.AddressingMemory

B.ReadingandwritingMemory

C.TheProcessor

D.Bytesandwords

参考答案：B

难易程度：易

2.WhatisthecharacteristicoftheROM?

A.canreadandwrite

B.canreadonly

C.canwriteonly

D.noneoftheabove

参考答案：B

难易程度：易

3.Whenaprogramisfinished,anewprogramcanbecopiedinto,erasingtheoldoneinthe

processor.

A.RAM

B.ROM

C.Harddisk

D.Floppydisk

参考答案：A

难易程度：易

4.Imagethatbytenumber50containsthecharacterS.Iftheprocessorreadsbytes50,theSisstillthere.If

theprocessorweretowritethecharacterXtobyte50,thenewvaluewouldreplacetheold,andtheSwould

be.

A.notlost

B.losttemporary

C.lostforever

D.noneoftheabove

参考答案：C

难易程度：中

5.Whenmemoryis,itscontentsarechanged.

A.written

B.accessed

C.read

D.it'salwayschanged

参考答案：A

难易程度：易

Themostcommonmicrocomputersecondarystoragemediumisdisketteorfloppydisk,athincircularpiece

offlexiblepolyestercoatedwithamagneticmaterial.Dataarerecordedononeorbothflatsurfaces.Because

contactwithdust,lint,orevenahumanfingercandestroythedata,eachdiskettehasitsownprotectivejacket.A

diskettedriveworksmuchlikearecordturntable.Theroundholeinthecenterofthediskallowsthedrive

mechanismtoengageandspinit;anaccessmechanism,analogoustothetonearm,readsandwritesthesurface

throughthewindowvisiblenearthebottomofthedisk.

Thedataarerecordedonaseriesofconcentriccirclescalledtracks.Theaccessmechanismstepsfromtrack

totrack,readingorwritingoneatatime.Thetracksaresubdividedintosectors;itisthecontentsofasectorthat

movebetweenthedisketteandmainmemory.Todistinguishthesectors,theyareaddressedbynumberingthem

sequentially-O,1,2,andsoon.

Whenaprograminstructionrequestingdisketteinputisencountered,theprocessorsendsacontrolsignalto

thedrive.Inresponse,thedrivespindleisengaged,andthediskbeginstospin,quicklyreachingaconstant

rotationalspeed.Next,theaccessmechanismismovedtothetrackcontainingthedesireddata.Thetimerequired

tobringthedriveuptospeedandpositiontheaccessmechanismiscalledseektime.Rememberthatdataare

transferredbetweenthedisketteandmainmemoryasectoratatime.Thedesiredsectormaybeanywhereonthe

track.Thetimerequiredforthesectortorotatetotheaccessmechanismiscalledrotationaldelay.

Althoughdisketteiscertainlyfasterthancassette,dataaccessstillmeansadelayofatleastafractionofa

second.Manycommonpersonalcomputerapplicationsinvolveonlylimiteddiskaccess,sothedelayishardly

noticeable.Onotherapplications,however,thedelaycanbeintolerable.Thesolutionisoftenaharddisk.

1.Theword“distinguish“intheforthsentenceofthesecondparagraphmaybestmean.

A.arrive

B.find

C.link

D.differentiate

参考答案：D

难易程度：中

2.Accordingtothearticle,whichofthefollowingstatementsisnottrue?

A.Theaccessmechanismreadsorwritesasectoratatime.

B.Themostpopularmicrocomputermediumisdiskette.

C.Thetrackissubdividedintosectors.

D.Magneticcassetteistheleastexpensiveofthesecondarystoragemedia.

参考答案：A

难易程度：难

3.Thetimeduringwhichthedesiredsectorrotatestotheaccessmechanismiscalled.

A.rotationaldelay

B.runtime

C.accesstime

D.seektime

参考答案：A

难易程度：难

4.Fromthispassage,wecaninferwhichkindofsecondarystoragemediumisthefastestwhendataare

accessedinit?

A.diskette

B.harddisk

C.cassette

D.magnetictape

参考答案：D

难易程度：中

5.Dataondiskarerecordedonaseriesofconcentriccirclescalled.

A.sectors

B.cylinders

C.blocks

D.tracks

参考答案：B

难易程度：中

三、判断题

Thecentralprocessingunit(CPU)istheheartofthecomputersystems.Amongotherthings,itsconfiguration

determineswhetheracomputerisfastorslowinrelationtoothercomputers.TheCPUisthemostcomplex

computersystemcomponent,responsiblefordirectingmostofthecomputersystemactivitiesbasedonthe

instructionsprovided.Asonecomputergenerationhasevolvedtothenext,thephysicalsizeoftheCPUhasoften

becomesmallerandsmaller,whileitsspeedandcapacityhaveincreasedtremendously.Indeed,thesechanges

haveresultedinmicrocomputersthataresmallenoughtofitonyourdeskoryourlap.

TheCPUcomprisesthecontrolunitandthearithmetic/logicunit(ALU).

Thecontrolunitisresponsiblefordirectingandcoordinatingmostofthecomputersystemsactivities.It

determinesthemovementofelectronicsignalsbetweenmainmemoryandthearithmetic/logicunit,aswellasthe

controlsignalsbetweentheCPUandinput/outputdevices.

TheALUperformsallthearithmeticandlogical(comparison)functions-thatis,itadds,subtracts,

multiplies,divides,anddoescomparisons.Thesecomparisons,whicharebasically“lessthan"，“greaterthan”,and

“equalto”,canbecombinedintoseveralcommonexpressions,suchas"greaterthanorequalto”.Theobjectiveof

mostinstructionsthatusecomparisonsistodeterminewhichinstructionshouldbeexecutednext.

Tellwhetherthefollowingstatementsaretrue(T)orfalse(F)accordingtothepassage.

(根据上文的内容判断下列句子的正误。)

1.Withthedevelopmentofcomputer,thephysicalsizeoftheCPUhasoftenbecomebiggerandbigger._

参考答案：F

难易程度：中

2.ThemovementofelectronicsignalsbetweenmainmemoryandtheALUaswellasthecontrolsignal

betweentheCPUandinput/outputdevicesarecontrolledbythecontrolunitoftheCPU.

参考答案：T

难易程度：中

3.TheCPUcomprisesthecontrolunitandmemory.

参考答案：F

难易程度：中

4.Thecontrolunitperformsallthearithmeticandlogical(comparison)functions.

参考答案：F

难易程度：中

5.Thecentralprocessingunit(CPU)istheheartofthecomputersystems.

参考答案：T

难易程度：中

判断以下句子的正误。

1.Theheartofanycomputersystemisthecentralprocessingunit(CPU).

参考答案：T

难易程度：易

2.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory.

参考答案：T

难易程度：易

3.Aregisterisastoragelocationinsidetheprocessor.

参考答案：T

难易程度：易

4.Asystemboardisaheartofacomputer.

参考答案：F

难易程度：易

5.TheMemoryaddressesareexpressedasbinarynumbers.

参考答案：T

难易程度：易

6.Theheartofanycomputersystemisthecentralprocessingunit(CPU).

参考答案：T

难易程度：易

7.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory.

参考答案：T

难易程度：易

8.Thethreetypesofopticaldiscsincludecompactdisks,digitalversatilediscs,orvideos,andhighdefinition

discs.

参考答案：T

难易程度：易

9.Thethreetypesofopticaldiscsincludecompactdisks,digitalversatilediscs,orvideos,andhighdefinition

discs.

参考答案：T

难易程度：易

10.ALUisastoragelocationinsidetheprocess。匚

参考答案：F

难易程度：易

11.UNIXisthemostwidelyusedoperatingsystem.

参考答案：F

难易程度：易

12.Thesystemcomponentthatcontrolsandmanipulatesdatainordertoproduceinformationiscalledthe

mouse._______

参考答案：F

难易程度：易

13.Whenyourunyourcomputer,Officesoftwarewillbefirststarted.

参考答案：F

难易程度：易

计算机专业英语模拟试题二

一、单项选择题

1.Theservesasaninterfacebetweenhardwareandsoftware.

A.system

B.applicationprogram

C.operatingsystem

D.controlunit

参考答案：C

难易程度：易

2.Mostoperatingsystemhaveastandardsetoftohandletheprocessingofallinputandoutput

instructions.

A.spreadsheet

B.controlinstructions

C.I/Ooperation

D.datatable

参考答案：B

难易程度：易

3.usescommandsthatareeasierforprogrammerstounderstandthanaremachinelanguage

commands.

A.Assemblylanguage

B.High-levellanguage

C.Clanguage

D.C++language

参考答案：A

难易程度：难

4.Softwarethatallowsyourcomputertointeractwiththeuser,applications,andhardwareis

called.

A.Wordprocessor

B.Systemsoftware

C.Applicationsoftware

□.Databasesoftware

参考答案：B

难易程度：易

5.Specializedprogramsthatallowparticularinputoroutputdevicestocommunicatewiththerestofthe

computersystemarecalled.

A.operatingsystems

B.languagetranslators

C.devicedrivers

0.utilities

参考答案：C

难易程度：难

6.TheacronymDBMSstandsforwhat?

A.Double-blindmanagementsetup

B.Databindingandmarketingstructure

C.Databasemanagementsystem

0.Documentbindermanagementsystem

参考答案：C

难易程度：易

7.Programsthatautomaticallysubmityoursearchrequesttoseveralsearchenginessimultaneouslyare

called.

A.hits

B.spiders

C.Searchengines

D.Metasearchengines

参考答案：D

难易程度：难

8.Thisoperatingsystemismostpopularwithgraphicdesignersandthosewhoworkinmultimedia.

A.WindowsXP

B.Linux

C.MacOS

D.UNIX

参考答案：C

难易程度：难

9.Programsusedtocreateormodifyvectorimagesarecalled.

A.graphicalmodifiers

B.bitpublishingpackages

C.imageeditors

0.illustrationprograms

参考答案：D

难易程度：难

10.Ifyouwanttocommunicateamessageorpersuadeotherpeople,youwouldtypicallyusethistypeof

software.________

A.worksheet

B.database

C.presentation

0.document

参考答案：C

难易程度：易

11.Thisoperatingsystemwasoriginallydesignedtorunonminicomputersusedinanetworkenvironment.

A.LinuxXP

B.UNIX

C.Windows

D.MacOS

参考答案：B

难易程度：难

12.Theseprogramsguardyourcomputeragainstmaliciousprogramsthatmayinvadeyourcomputersystem.

A.Antivirusprogram

B.Filecompressionprogram

C.Troubleshootingprogram

D.Backupprogram

参考答案：A

难易程度：难

13.WhethertheauthorofinformationonaWebsiteappearstohaveapersonalagendaaimed

atconvincingorchangingthereader'sopinionisansweredunderthisvariable.

A.Objectivity

B.Currency

C.Accuracy

□.Authority

参考答案：A

难易程度：难

14.WindowsXP,WindowsVista,andMacintoshOSXareallexamplesof.

A.browsers

B.shareware

C.Operatingsystem

□.Applicationsoftware

参考答案：C

难易程度：易

15.Softwareandhardwaremanufacturersprovidemanualsstatingtheineitheraprintedformatorinel

ectronicform.

A.adjoiningutilitieslist

B.procedures

C.adjoiningoutputslist

□.softwarefeatures

参考答案：B

难易程度：易

16.Organizationscreatenewsletters,manuals,andbrochureswiththistypeofsoftware.

A.wordprocessing

B.spreadsheet

C.Graphics

□.Presentation

参考答案：A

难易程度：难

17.arenarrowlyfocusedonspecificdisciplinesandoccupations.

A.Basicapplications

B.Utilityprograms

C.Specializedapplications

□.Businesssuites

参考答案：C

难易程度：易

18.Theprimarypurposeofthistypeofsoftwareistocreatetext-baseddocuments.

A.spreadsheet

B.Wordprocessing

C.Webdevelopment

0.presentation

参考答案：B

难易程度：易

19.Fuzzylogicis.

A.atermthatindicateslogicalvaluesgreaterthanone

B.theresultoffuzzythinking

C.anewprogramminglanguageusedtoprogramanimation

D.usedtorespondtoquestionsinahumanlikeway

参考答案：D

难易程度：难

2O.Inorderforacomputertounderstandaprogram,itmustbeconvertedinto

machinelanguagebya(n).

A.Languagetranslator

B.Operatingsystem

C.Devicedriver

D.Utility

参考答案：A

难易程度：易

21.Thelastpartofthedomainnamefollowingthedot(.)isthetopdomain.

A.Language

B.Link

C.Level

D.locator

参考答案：C

难易程度：难

22.Thesetypicallyappearasunderlinedandcoloredtextand/orimages.

A.Top-leveldomainnames

B.Protocols

C.Hyperlinks

□.Applets

参考答案：C

难易程度：易

23.Whichofthefollowingisatypeofutilityusedtoreducethesizeoffilesto

increasetheamountofavailablediskspace?

A.troubleshootingprogram

B.uninstallprogram

C.filecompressionprogram

D.antivirusprogram

参考答案：C

难易程度：易

24.TherecentlyenactedCAN-SPAMActrequiresthatmarketing-relatede-mailprovidean

option.

A.opt-out

B.no-send

C.block-me

D.only-once

参考答案：A

难易程度：难

25.Userscaninteractinafullyimmersed3-Denvironmentusing.

A.VRML

B.virtualreality

C.robotics

0.unstructuredproblems

参考答案：B

难易程度：难

26.Thistypeofsoftwareworkswithendusers,applicationsoftware,andcomputerhardware

tohandlethemajorityoftechnicaldetails.

A.Systemsoftware

B.Applicationsoftware

C.Websoftware

0.Communicationssoftware

参考答案：A

难易程度：中

27.Asourceprogramcannotbedirectlyprocessedbythecomputeruntilithasbeen.

A.compilation

B.compiler

C.compile

D.compiled

参考答案：D

难易程度：中

28.6.Ccodeisalmostalwayscompiled,interpreted.

A.than

B.rather

C.ratherthan

D.otherthan

参考答案：C

难易程度：中

二、阅读理解题

Inordertosolveacomputationalproblem,itssolutionmustbespecifiedintermsofasequenceof

computationalsteps,eachofwhichmaybeperformedbyahumanoradigitalcomputer.Ifyouwanttosolvethe

computationalproblemwithacomputer,youshouldlearnhowtoprogram.Thetaskofdevelopingprogramsfor

thesolutionofcomputationalproblemsisreferredtoasprogramming.Computerprogrammingistheprocessof

planningandcreatingasequenceofstepsforacomputertofollow.Ingeneral,thisprocesswillhelpusresolvea

problem,whichiseithertootediousordifficulttoworkoutotherwise.Soprogrammingisbreakingataskdown

intosmallsteps.

Programmingissometimescontrastedwithcoding.Codinggenerallyreferstothewritingofprogramsfor

givenprogramspecification,whileprogrammingincludesthetaskofpreparingtheprogramspecificationaswell

asthatofwritingtheprogram.Thetextofaprogramissometimesreferredtoascode,andlinesofprogramtext

arereferredtoaslinesofcode,especiallyinthecaseofmachine-languageprograms.Thetermcoderisusedto

describeapersonengagedexclusivelyinimplementingprogramspecificationspreparedbyothers.

Whafsactuallyinvolvedinprogramming-theactualprocessofwritingprograms?Here'saquickoverview

oftheprocess:

•Writeaprogram.•Compiletheprogram.•Runtheprogram.•Debugtheprogram.

•Repeatthewholeprocessuntiltheprogramisfinished.

Choosethebestansweraccordingtothepassage.（根据上文的内容选择正确的答案。）

1.Ifyouwanttosolvethecomputationalproblemwithacomputer,youshouldlearnhow

to.

A.calculate

B.program

C.add

D.subtract

参考答案：B

难易程度：中

2.Computerprogrammingistheprocessofplanningandcreatingasequenceof

foracomputertofollow.

A.steps

B.process

C.lines

D.graphics

参考答案：A

难易程度：中

3.Thetermcoderisusedtodescribe.

A.machine

B.computer

C.keyboard

D.person

参考答案：D

难易程度：中

4.Inordertosolveacomputationalproblem,youcanletapersonoratodoit.

A.machine

B.computer

C.keyboard

D.mouse

参考答案：B

难易程度：中

5.Whichofthefollowingisnotthestagesofprogramming?

A.Writeaprogram.

B.Debugtheprogram.

C.Printtheprogram.

D.Compiletheprogram.

参考答案：C

难易程度：中

Weliveinaworldtodaywheresoftwareispervasive.Softwaretouchesnearlyeveryaspectofourlives,from

software-controlledsubways,airtrafficcontrolsystems,nuclearpowerplants,andmedicalequipmenttomore

mundaneeverydayexamples,suchassoftware-controlledmicrowaveovens,gasburners,elevators,automated

tellermachines,thefamilycar,andthelocal911service.Inthepast,manyoftheseitemsrelieduponestablished

safetyandreliabilityprinciplesfromelectrical,mechanical,and/orcivilengineering,whichdevelopedover

severaldecades,ifnotlonger.Todayitemslikethesearecontrolledbysoftware.

Whenitisexamined,itstotality,themagnitudeofthesoftwaresafetyandreliabilitychallengefacingus

todaymakestheY2Kproblemlookminusculebycomparison.Hence,itistimetoacknowledgethedisciplineof

softwaresafetyandreliabilityanditsimportancetoeverydaylife.Somepeopleandorganizationsarestartingto

understandandrespondtothischallenge.Forexample,theFBIrecentlyestablishedaNationalInfrastructure

ProtectionCentertoprotectsafety-criticalsystemsandsoftware.Unfortunately,manystillremainblissfully

unawareofthesituationordenyitsexistence.Contributingtotheproblemisthesmallnumberofuniversitiesthat

offercoursesinsoftwaresafetyandreliability.

Wehearalotabouttheglobaleconomytoday.Technologyhaslessrespectforstateornationalbordersthan

domarketforces.Thesoftwaresafetyandreliabilitychallengeisaglobalchallenge.Products,suchascarsand

medicaldevices,arebuiltinonejurisdictionandsoldworldwide.Airtrafficcontrolsystemsmustinteroperate

safelyandreliablyamongmultiplecountries,forexamplealongthelongbordersbetweentheU.S.,Canada,and

Mexico.

1.Inthefirstparagraph,the