计算机专业英语试题Ax4

第1页共6页第2页共6页专业：层次：班级：座号：学号：姓名：······························密···················封·····················线·······························临沂职业学院2010-2011学年度第一学期期末考试《计算机专业英语》试题（A）(适用于2008级计算机应用专业高职学生，闭卷考试时间120分钟)题号一二三总分复核人得分1.数据库2.缓冲区3.调制解调器4.外壳程序5.高速缓存6.原语7.相互通信8.解包9.客户机10.主板11.debugging12.OpticalCarrier13.DomainNameSystem14.MainMemory15.serialport16.primarykey17.relationaldatabase18.e-commerce19.game-console20.timeline(一)Tellwhetherthefollowingstatementsaretrue(T)orfalse(F)accordingtothepassage.ForaWebuser,thehomepageisthefirstWebpagethatisdisplayedafterstartingaWebbrowserlikeNetscape'sNavigatororMicrosoft'sInternetExplorer.Thebrowserisusuallypreset(预置)sothatthehomepageisthefirstpageofthebrowsermanufacturer.However,youcansetittoopentoanyWebsite.Forexample,youcanspecify(指定)that(ablankspacewillbedisplayed)inwhichcaseyouchoosethefirstpagefromyourbookmarklistorenteraWebaddress.ForaWebsitedeveloper,ahomepageisthefirstpagepresentedwhenauserselectsasiteontheWorldWideWeb.TheusualaddressforaWebsiteisthehomepageaddress,althoughyoucanentertheaddress(UniformResourceLocator)ofanypageandhavethatpagesenttoyou..1.HomepagesforaWebuseroraWebsitedeveloperhavethesamemeanings.()2.ThehomepagedisplayedonaWebbrowserisusuallypresetbythebrowsermanufacturer.()3.ThehomepageforaWebusercanberesettoanyWebsiteyouprefer.()4.YouhavetoenterorselectWebaddresseseverytimewithablankspaceonyourWebbrowser.()5.Webaddressesusuallyleadtorelativehomepages.()（二）ChoosethebestansweraccordingtoPassage.（根据上文的内容选择正确的答案。）Let’stakealookatthecausesofwhatrecentnewsarticlescall“computerviruses”.Thecausesaresimple:computerhackers,orsaboteurs,designprogramstowreakhavocinacomputersystem,oftendestroyingoralteringfilesautomatically.Somesuchprogramsautomaticallyreproducethemselvesonanydiskstheycanreach.Suchvirusescanalsowipeoutallthefilesonaharddiskordestroyadisk’sfileallocationtable.Justashumanvirusesinvadealivingcellandtemturnitintoafactoryformanufacturingviruses,computervirusesaresmallprogramsthatreplicatebyattachingacopyofthemselvestoanotherprogram.Onceattachedtothehostprogram,thevirusesthenlookforotherprogramsto“infect”.Inthisway,thevirusescanspreadquicklythroughoutaharddiskoranentireorganizationifitinfectsaLocalAreaNetworkoramultiusersystem.Skillfullywrittenvirusescaninfectandmultiplyforweeksormonthswithoutbeingdetected.Duringthattime,systembackupsduplicatetheviruses;orcopiesofdataorprogramsaremadeandpassedtoothersystemstoinfect.Atsomepoint(determinedbyhowtheviruswasprogrammed)thevirusattacks.Thetimingoftheattackcanbelinkedtoanumberofsituations,including:acertaintimeordata;thepresenceofaparticularuserID:theuseofpresenceofaparticular得分一、Vocabulary（共20题，每题1.5分，共30分）阅卷人得分二、Comprehension（共10题，每题2分，共20分）阅卷人第3页共6页第4页共6页file;thesecurityprivilegeleveloftheuser;andthenumberortimesafileisused.Likewise,themodeofattackvaries.So—called“benign”virusesmightsimplydisplayamessage,liketheonethatinfectedIBM’smaincomputersystemlastChristmaswithaseason’sgreeting.Malignantviruses,ontheotherhand,aredesignedtodamageyoursystems.Onecommonattackistowipeoutdata,todeletefiles,ortoperformaformatofyourharddisk.Therearefourmaintypesofviruses:shell,intrusive,operatingsystem,andsourcecode.Shellviruseswrapthemselvesaroundahostprogramanddonotmodifytheoriginalprogram.Shellprogramsareeasytowrite,whichiswhyabouthalfofthistypeinaddition,shellvirusesareeasyforprogramslikeDataPhysiciantoremove.Intrusivevirusesinvadeanexistingprogramandactuallyinsertapointofthemselvesintothehostprogram.Intrusivevirusesarehardtowriteandverydifficulttoremovewithoutdamagingthehostfile.Shellandintrusivevirusesmostcommonlyattackexecutableprogramfiles---thosewitha.COMor.EXEextension---althoughdatafilesarealsoatsomerisk.Operatingsystemvirusesworkbyreplacingpartsoftheoperatingsystemwiththeirownlogic.Verydifficulttowrite,theseviruseshavetheability,oncebootedup,totaketotalcontrolofyoursystem.AccordingtoDigitalDispatch,knownversionsofoperatingsystemviruseshavehiddenlargeamountsofattacklogicinfalselymarkedbaddisksectors.OthersinstallPAM—residentprogramsordevicedriverstoperforminfectionorattackfunctionsinvisiblyfrommemory.SourcecodevirusesareintrusiveprogramsthatareinsertedintoasourceprogramsuchasthosewritteninPascalpriortotheprogrambeingcompiled.Thesearetheleastcommonvirusesbecausetheyarenotonlyhardtowrite,butalsohavealimitednumberofhostscomparedtotheothertype.6.Computervirusescandoallofthefollowingexcept_____.A.reproducethemselvesonanydisksB.deleteallthefilesinthememoryC.destroyaharddisk7.Computervirusesareviruseswhichcaninfect_____,A.humanbeingsB.computerhardwareC.computersoftware8.Thetimewhenthevirusattacksisdeterminedby_____.A.thecomputermanufacturerB.howthecomputerisoperatedC.howtheviruswasprogrammed9.Benignvirusesmay_____.A.damagecomputersystemsB.displayamessageC.wipeoutdata10.Inthetext,_____typeofvirusesareintroduced.A.5B.4C.3（一）TranslatethefollowingsentencesintoChinese（共8题，每题4分，共32分）1.Eachprocessmusthaveenoughmemoryinwhichtoexecute,a