计算机与通信专业英语6(共12章)

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1、Unit6OperatingSystemSec.6-1WhatIsanOperatingSystem?Sec.6-2OperatingSystemStructureExitUnit6OperatingSystemSec.6-1WhatIsanOperatingSystem?1SpecializedTermsandPhrases2GrammarPoints3QuestionsExitReturn1SpecializedTermsandPhrasesReturnExitoperatingsystem操作系统1-1computerhardware计算机硬件1-2hands

2、-onsystem手控（操作）系统2-2multiprogram多道程序2-3time-sharedsystem分时系统2-3applicationsprogram应用程序3-5compiler编译器3-5databasesystem数据库系统3-5videogame视频游戏3-5businessprogram商务程序3-51SpecializedTermsandPhrasesresourceallocator资源分配器6-1primaryoperatingsystem主操作系统7-3MCP-MasterControlProgram主控程序7-4b

3、arehardware裸硬件8-4sharedmulti-usersystem分时多用户系统10-2computerarchitecture计算机结构12-1movethrough经过、通过2-3evolveas（逐渐）成为2-4view…as…把…看作…6-1ReturnExit1SpecializedTermsandPhrasesReturnExit2GrammarPointsThepurposeofanoperatingsystemistoprovideanenvironmentinwhichausermayexecuteprograms.1-2The

4、applicationsprogramsdefinethewaysinwhichtheseresourcesareusedtosolvethecomputingproblemsoftheusers.4-1Itsimplyprovidesanenvironmentwithinwhichotherprogramscandousefulwork.5-4ReturnExit2GrammarPointsReturnExitOperatingsystemsexistbecausetheyareareasonablewaytosolvetheproblemofcreatingausa

5、blecomputingsystem.8-1Operatingsystemsexistbecausetheyaresupposedtomakeiteasertocomputewithanoperatingsystemthanwithoutanoperatingsystem.9-2isconveniencefortheuser⑥Bytracingthatevolutionwecanidentifythecommonelementsofoperatingsystemsandseehowandwhytheydevelopedastheyhave（evolved）.11-22G

6、rammarPointsReturnExitReturnExit3Questions①Howmanypartscanacomputersystembedividedinto?Key:Ithasfourparts:hardware,operatingsystem,applicationsprograms,users.3-2Inwhatwayisanoperatingsystemsimilartoagovernment?Key:Likeagovernment,theoperatingsystemperformsnousefulfunctionbyitself.Itsimpl

7、yprovidesanenvironmentwithinwhichotherprogramscandousefulwork.5-3Whatcertaincommonfunctionsshouldanoperatingsystempossess（have）?Key:Itshouldhavethecommonfunctionsofcontrollingresourcesandallocatingthemtospecificprogramsandusersasnecessaryfortheirtasks.6-2Whatarethetwogoal