计算机文化真题Word下载.docx
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计算机文化真题Word下载.docx
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____7.Cachesizeisnotofparticularsignificancetoconsumersbecauseitisnotconfigurable.
____8.Atrackballlookslikethetipofaneraserembeddedinthekeyboardofanotebookcomputer.
____9.User-executableprogramfileshave.exefilenameextensions.
____10.Instructionswritteninmachinelanguagemustbetranslatedintoahigh-levellanguagebeforeacomputercanusethem.
____11.TheWindowsoperatingsystemgetsitsnamefromtherectangularworkareasthatappearonthescreen-baseddesktop.
____12.Ifafilehastherightextensionforaparticularapplicationprogram,youwillseeitinthelistoffilesthatyoucanopenwiththatsoftware.
____13.Anoperatingsystemmaintainsalistoffilescalledatableforeachstoragedisk,tape,CD,orDVD.
____14.Today,justabouteverycomputerusesoneormoremicroprocessorsasitsCPU.
____15.Atabletcomputerissimilarinsizetoanotebookcomputer,butfeaturesatouch-sensitivescreenthatcanbeusedforinputinsteadofakeyboard.
____16.Ahandheldcomputer,withadd-ons,ispowerfulenoughtohandleallofthetasksperformedbyadesktopcomputer.
____17.Inexpensiveadd-onstohandheldcomputersmakeitpossibletosendandreceivee-mail.
____18.Applicationsoftwareisasetofcomputerprogramsthathelpsapersoncarryoutatask.
____19.CommunicationbetweenallofthedifferentdevicesontheInternetismadepossiblebyHTTP(HypertextTransferProtocol),astandardsetofprotocolsforelectronicallyaddressingandtransmittingdata.
____20.ApasswordisaseriesofcharactersthatverifiestheuserIDandissimilartoaPIN.
____21.ThecomputersandsoftwarethatstoreanddistributeWebpagesarecalledWebclients.
____22.Anyfilethattravelswithane-mailmessageiscalledane-mailMIME.
____23.MostpersonalcomputersuseUnicode,althoughExtendedASCIIcodeisbecomingincreasinglypopular.
____24.Theprefixtera-meanstrillion.
____25.Mostoftheprocessorsintoday'
sMacsuseRISCtechnology.
____26.InteliscontinuallyupgradingitslineofPentiumprocessors.
____27.Anopticaldisk,suchasaCD,isnotsusceptibletohumidity,fingerprints,dust,magnets,orspilledsoftdrinks,anditsusefullifeisestimatedatmorethan200years.
____28.Atrackballlookslikethetipofaneraserembeddedinthekeyboardofanotebookcomputer.
____29.Onmostmonitors,theviewableimagedoesnotstretchtotheedgeofthescreen.
____30.Fewoftoday'
sdesktopoperatingsystemsprovidemultitaskingcapabilities.
____31.Youshouldtrytoavoidstoringyourdatafilesinsubdirectoriesandshouldinsteadstorethemintherootdirectoryofyourharddisk.
____32.TheSaveoptionontheFilemenusavesthelatestversionofafileunderitscurrentnameandatitscurrentlocation.
____33.InWindowsExplorer,adeviceiconcanbeopenedbyclickingdirectlyontheicon,ratherthanontheplussign.
____34.TheFileAllocationTablekeepstrackofalistofclustersandwhichareemptyandwhichholddata.
____35.Whenafileisdeleted,theclustersthatcontainedthefilearerewritten.
____36.Virustriggereventsareoftenkeyedtoaspecificdate.
____37.DenialofServiceattacksoccurwhenuselessnetworktrafficoverwhelmsthenetwork’sprocessingcapabilityandessentiallybringsallcommunicationstoahalt.
____38.Bogusviruse-mailmessagesusuallycontainalonglistofpeopleintheTo:
andCc:
boxes.
____39.AbootdiskisafloppydiskorCDthatcontainstheoperatingsystemfilesneededtostartyourcomputerwithoutaccessingtheharddisk.
____40.Unlikefiber-opticcables,twistedpairandcoaxialcablesdonotconductortransmitelectricalsignals.
____41.Fiber-opticcableisabundleofextremelythintubesofglass.
____42.Aparcelswitchingnetworkdividesmessagesintosmallparcelsandhandlesthemona“firstcome,firstserved”basis.
____43.Mostdatacommunicationssystemsimplementsynchronousprotocol.
____44.AnexampleofaNetworkServiceProvider(NSP)isAOL.
____45.IPbreaksamessageorfileintopackets.
____46.IEandFirefoxupdatesonlycost$10ayear.
____47.Thecurrenttrendistousetheterm"
PDF"
torefertoanyhelperapplicationorplug-inthathelpsabrowserdisplayaparticularfileformat.
____48.Atexteditorissimilartowordprocessingsoftware.
____49.Javaappletsaresometimesblockedbynetworkfirewalls.
____50.Javaappletsarenotallowedtoopen,modify,delete,orcreatefilesonyourcomputer.
____51.JavaScriptmustbecompiledintobytecode,butJavaappletsdonotneedtobecompiled.
____52.ActiveXissupportedbyNetscape,Linux,andMacOS,butnotMicrosoftInternetExplorer.
____53.Youcanuseascannertoconvertaprintedimageintoabitmapgraphic.
____54.Acardreaderactsjustlikeanexternaldiskdrivebytreatingyourmemorycardslikefloppydisks.
____55.Itiseasiertoeditanobjectinavectorgraphicthananobjectinabitmap.
____56.OnWebpages,vectorgraphicsappearwiththesameconsistentqualityonallcomputerscreens.
____57.Videoiseasiertoeditifyoudivideitintoseveralfiles,eachcontainingaone-to-twominutesegmentoffootage.
____58.SomePDAsandsmartphonescanbeconfiguredtoplaydigitalvideos,includingmovietrailers,TVshows,andevenfeature-lengthmovies.
____59.Becauseofitscost,aworkstationisoftendedicatedtodesigntasks,andisnotusedfortypicalmicrocomputerapplications.
____60.AWANprovidesconnectivitywithinalimitedgeographicalarea,usuallyspreadoverseveralbuildings.
____61.Thecoaxialcablethatprovidesyouwithmorethan100channelsofcableTVhasalowerbandwidththanyourhometelephoneline.
____62.TheDomainNameSystemisadatabasestoredonthemainInternetcomputer.
____63.HTMLtagsworkinpairs.
____64.Thecurrenttrendistousetheterm"
____65.InanHTTPcommunication,yourbrowseropensasocket,connectstoasimilaropensocketattheWebserver,andissuesacommand,suchas"
sendmeanHTMLdocument."
____66.Ifyouturnoffcookies,youprobablywon’tbeabletomakeonlinepurchases.
____67.Cookiesuseyournameforidentificationpurposes.
____68.Frameshavefallenoutoffavor--probablybecausesomeWebdesignerslitteredWebpageswithframesthatremainedonthescreenevenaftervisitorslinkedtoothersites.
____69.Thephotosthatyoutakewithadigitalcameraarestoredinthecamera'
smemorymodulesuntilyoutransferthemtoyourcomputer.
____70.Bitmapsresizebetterthanvectorgraphics.
____71.Bitmapsgenerallyrequirelessstoragespacethanvectorimages.
ModifiedTrue/False
Indicatewhetherthesentenceorstatementistrueorfalse.Iffalse,changetheidentifiedwordorphrasetomakethesentenceorstatementtrue.
____1.TheALUusesregisterstoholddatathatisbeingprocessed._________________________
____2.A(n)laserprinterhasanozzle-likeprintheadthatspraysinkontopapertoformcharactersandgraphics._________________________
____3.Theself-installingexecutablefileautomaticallyunzipsitselfandstartsthesetupprogram._________________________
____4.Asoftwarelicenseisalegalcontractthatdefinesthewaysinwhichyoumayuseacomputerprogram._________________________
____5.Afilenameextensionisusuallyrelatedtothefileschema._________________________
____6.Avirusverificationisusuallyasectionofthevirusprogramthatoutlinesauniqueseriesofinstructions._________________________
____7.TheRegistryisanimportantgroupoffilesusedbytheWindowsoperatingsystemtostoreconfigurationinformationaboutallofthedevicesandsoftwareinstalledonacomputersystem._________________________
____8.AlocalareanetworkthatusesTCP/IPiscalleda(n)intranet.________________________
____9.Downstreamtransmissionreferstothedatathatyousend._________________________
____10.AWebpagecanbestoredasafilecalleda(n)ISPdocument._________________________
____11.Javaisahigh-levelprogramminglanguagedevelopedbySunMicrosystemsthathasbecomeapopularprogrammingtoolforWeb-basedprojects._________________________
____12.SmallJavaapplicationsarecallJavacontrols._________________________
____13.Whenyousaveafile,youmustprovideitwithavalidfilenamethatadherestospecificrules,referredtoasfile-namingrubrics._________________________
____14.Someoperatingsystemscontainalistofextendedwordsthatareusedascommandsorspecialidentifiers._________________________
____15.Afilespecificationisalsosometimesknownasa(n)route._________________________
____16.Gradientscanbeusedtocreateshadingandthree-dimensionaleffects._________________________
____17.Likevectorgraphics,3-Dgraphicsarestoredasasetofinstructions.____________
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