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計算機專業英語文章

計算機專業英語文章

  計算機專業英語篇一:計算機專業英語

  1.1ACloserLookattheProcessorandPrimaryStorage

  仔細看看處理器和主儲存器

  Wehavelearnedthatallcomputershavesimilarcapabilitiesandperformessentiallythesamefunctions,althoughsomemightbefasterthanothers.Wehavealsolearnedthatacomputersystemhasinput,output,storage,andprocessingcomponents;thattheprocessoristhe“intelligence”ofacomputersystem;andthatasinglecomputersystemmayhaveseveralprocessors.Wehavediscussed

  Notes

  [1]InabigmainframecomputertheprocessoriscalledaCentralProcessingUnit,orCPU,C.addD.subtractacomputertofollow.

  A.stepsB.processC.linesD.graphicsA.machineB.computerC.keyboardD.personA.machineB.computerC.keyboardD.mouse

  5.Whichofthefollowingisnotthestagesofprogramming?

  A.Writeaprogram.

  B.Debugtheprogram.

  C.Printtheprogram.

  D.Compiletheprogram.

  PassageC

  Acomputervirusisacomputerprogramthatiscreatedtomakeandspreadcopiesofitself.Theprogrammayhoweveralsobedesignedtohaveothereffectsonthesystemsitinfects,rangingfromtheannoyingtothedisastrous.

  Virusattacksaregrowingrapidlythesedays.AccordingtoBusinessWeek,the76,404attacksreportedinthefirsthalfof2003nearlymatchpreviousyear'stotalnumber.Asnewantivirustoolsaremorepowerfulthanbefore,theviruswritersaregettingalotsmarterwithnewerandcreativewaystoattacknetworksystems.Let'sfirstexaminesomecommonvirustypes:

  BasicVirus-apieceofsoftwarecodethatisdevelopedtoattackcomputersandnetwork

  systemsviaemailorInternetconnections.Itquicklyreplicatesitselfandgraduallyattachestofiles,programsortheharddrive.

  TrojanHorses-Thisisaprogramthatdoesn'treplicatewhenenteringasystembutcanbeeffectivelyusedtoopen'backdoors.'TrojanHorsesallowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.

  Worm-thistypeofvirusisabletospreaditselfautomaticallyoverthenetworkfromonecomputertothenext.Duringawormattack,users'computersgetinfectedwithoutevenhavingtoclickopenemailattachmentoranyprogram,etc.

  Sinceitisverydifficulttoavoidthevirus,yourbestdefenseisapowerfulantivirusprogram.Inordertofightwithsuchviruses,thesoftwarevendorsshouldfocusonmakingtheirproductsmorerobust.Thismayaskforatrade-offbetweenuser-friendlinessandsecurity.Inspecificcasesitmayrequireline-by-lineinspection,coderetoolingandevensystemsautomationtodefendtheinstalledprograms.

  (四)、choosethebestansweraccordingtothepassageB.(根據上文的內容選擇正確的答案。10分,每題2分)

  1.

  A.programsB.virusC.copiesD.files

  2.

  A.networkB.E-mailC.programD.hardware

  3.AntivirusprogramcanscanandA.cleanB.produceC.replicateD.make

  4.A.quicklyreplicateitselfandgraduallyattachetofiles,programsortheharddrive.

  B.infectthecomputerwithoutevenhavingtoclickopenemailattachmentoranyprogram.C.allowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.D.avoidthevirustoattackcomputer.

  5.matchpreviousyear'stotalnumber.

  A.86,404B.76,404C.56,354D.34,876

  Ⅲ.Translation.翻譯(30分)

  (一)TranslatethefollowingsentencesintoChinese.(將下列句子翻譯成漢語。)(共20分,每題5分)

  1.Fordevelopingasoftwareproduct,thedevelopmentprocessisdividedinto5stages:RequirementsAnalysis&Specification,Design,Coding,Testing,andMaintenance.

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