【答案】计算机专业英语阅读y 过程性评测(31)【参考答案】

判断题:10道,每道2分,总分20 1.PPMreferstothenumberofpagesthataprinterprintsperminute. 正确 错误 2.WecanusemultimediainEducation,Edutainmentandsoon. 正确 错误 3.Thehostsareconnectedbythecables. 正确 错误 4.Thenetworkarchitectureisalayer-based. 正确 错误 5.Thesetfolayersandprotocolsiscallednetworkarchitecture. 正确 错误 6.Thephysicallayerisconcernedwithtransmittingrawbytesoveracommunicationchannel. 正确 错误 7.Thebasicfunctionoftransportlayeristoacceptdatafromthesessionlayer,andpassthemtothenetworklayer. 正确 错误 8.Onlyusersneedtoviewtheinternetasanetwork. 正确 错误 9.Justaboutanymoderncomputercanhandletextprocessingandproducebasicsounds. 正确 错误 10.Datacommunicationsequipment(DCE)acceptstheserialdatastreamfromtheDTE. 正确 错误 单选题:20道,每道3分,总分60 1.A（）computerisapersonalcomputerwhosehardwareiscapableofusinganyorallofthefollowingmediainaprogram:audio,text,graphics,videoandanimation. database multimedia network mainframes 2.The（）ine-mailmessageshasaffectedalmosteverycomputeraroundtheworldandhascausedthedamageofuptoUS$1billioninNorthAmerica. illness virus weakness attachment 3.Acomputervirusisacomputerprogramthatiscreatedtomakeandspread()ofitself. programs virus copies files 4.TheOSImodelhas()layers. four five six seven 5.()isadevicethatenablesthecomputertohandlesounds. networkcard videocard soundcard monitor 6.Oneuseofnetworksistoletseveralcomputersshare（）suchasfilesystem,printers,andtapedrives. CPU memory resources data 7.A（）infectedcomputermayloseitsdata. file database virus program 8.TheInternetisanopensystem,andmostinformationisavailabletoeveryone.Itisveryimportanttoadd（）toexistingsystemforprotectingthesecretinformation. Webpages modem security network 9.WhichofthefollowingexpressionsistrueabouttheInternet? TheInternetispartoftheWorldWideWeb. TheInternetisaworldwidenetwork. TheInternetisanothernameofnetwork. WWW,Internetandnetworkallrefertothesamething. 10.Oneofthebasicrulesofcomputersecurityistochangeyour（）regularly. name computer device password 11.The()isacollectionofcomputersconnectedtogetherbyphonelinesallowsfortheglobalsharingofinformation. internet interface LAN WWW 12.Most（）measuresinvolvedataencryptionandpassword. security hardware display program 13.Thedisplayscreenisthemostcommon()deviceusedtoshowyouwhatthecomputerisdoing. input printing output electronic 14.ThesourcecodeofaWebpageconsistsof(). words characters wordsandcharacters texts 15.（）：Messagesthataresentelectronicallyoveranetwork. input output data E-Mail 16.Anti-Virusprotectsyourcomputerfromvirusesby()yourcomputer'smemoryanddiskdevices. deleting changing scanning replacing 17.()isusedtocommunicatewithanothercomputerovertelephonelines. keyboard modem mouse printer 18.Oneofthegreatestfeaturesofahome（）istheabilitytoshareoneInternetconnectionsimultaneouslyovertwoormorecomputers. computer device network work 19.Multimediaisa(). product technology sound video 20.Thebestwaytodescribetheconceptofplayingaguitarisuseof(). asinglephotograph text animation audio 多选题:10道,每道2分,总分20多选题:10道,每道2分,总分20 1.Thesubnetconsistsoftwobasiccomponents:(). nodes channals hosts cable 2.Whichofthefollowingstructureisthetopology? star loop tree complete lrregular 3.TheInternetis(). asacommoninternet aspecifickindofinternet definedasthenetworkofnetworks constrainedbyasetofIPsuite 4.ApplicationsintheInternetcanbefoundeverywhere:(). inlibraries inconferencerooms athome atthemoon 5.Typesofmediainclude(). text full-motionvideo animation audio 6.Virusescandelaytheirattackfor(). days weeks months years 7.Datatransferrulesinclude(). simplexcommunication half-duplexcommunication duplexcommunication full-duplexcommunication 8.Manyvirusesdoharmfulthingssuchas(). deletingfiles changingrandomdataonyourdisk simulatingtypos slowingyourPCdown 9.Wecan()throughtheInternet. getfreesoftware takelongdistancecollaborations sende-mail retrievefiles 10.Thegeneraltypesofdesignsforthecommunicationsubnetare(). face-to-facechannels point-to-pointchannels broadcastchannels directchannels