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首页 英语课件

英语课件.ppt

英语课件

whitneyorfei
2013-05-11 0人阅读 举报 0 0 0 暂无简介

简介:本文档为《英语课件ppt》,可适用于高等教育领域

TheDevelopmentOfComputerOperatingSystemTheDevelopmentOfComputerOperatingSystemTeam’sMembers:ContentsContentsAbstract Of OSProcessOfDevelopmentTheLatestDevelopmentProspectsForDevelopmentAbstract Of OSAbstract Of OSOperatingsystem(referredtoOS)isasetofsystemsoftwarewhichinchargeofcomputerhardwareresourcescontrolstheactivitiesofotherprogramsandprovideinteractiveinterfaceforusersIt’sthemostbasicsystemsoftwaretorundirectlyonthe‘baremetal’anyothersoftwarecanberununderthesupportofOSOperatingsystemisakeycomponentofcomputersystem,responsibleforthemanagementandallocationofmemory、determinetheprioritiesofsystemresourcessupplyanddemand、controlIOdevices、operatingnetworkandcontrolthefilesystemandotherbasictaskProcessOfDevelopmentProcessOfDevelopmentUnixMSDOSWindowsLinuxProcessOfDevelopmentProcessOfDevelopmentUnixUNIXisdevelopedbytheATTcompanyDuetotheearlyversionofitiscompletelyfree,easyaccessandmodify,soithasbeenwidelyacceptedLater,itbecamethestartingpointofdevelopingminicomputerOSDuetothewidelyusedinearlystage,IthasbecomeamodelofoperatingsystemHowever,ithasalwaysbelongedtotheATTcompany,onlythosewhocanaffordthelicensefeescanuseit,thislimitsitsscopeofapplicationProcessOfDevelopmentProcessOfDevelopmentMSDOSMSDOSistheabbreviationforMicrosoftDiskOperatingSystem,it’saDiskoperatingsystemprovidedbyAmericanMicrosoftCorpMSDOSisthemostcommonlyusedPCcompatiblewithDOSThemostbasicconsistsofaBOOTprogrambasedontheMBRandthreemodulefileThethreemoduleisinputandoutputmodule(IOSYS),filemanagementmodule(MSDOSSYS)andcommandinterpretationmodule(COMMANDCOM)Inaddition,MicrosoftstilladdedsomestandardexternalprogramintheretailMSDOSsystempackageItwasbuiltarelativelycompleteHumancomputerinteractionenvironmentinthediskoperatingtimetogetherwithinternalcommandInAugust,,IBMlaunchedMSDOSpersonalcomputerwhitchcontainsMicrosoft’sbitoperatingsystemProcessOfDevelopmentProcessOfDevelopmentWindowsInNovember,MicrosoftreleasedWindowsItisthefirstattempttoMicrosoftforpersonalcomputeroperatingplatformforthegraphicaluserinterfaceEssentiallydeclaredtheendoftheMSDOSoperatingsystemSeveralofthemostfamousMicrosoftOSProcessOfDevelopmentProcessOfDevelopmentInMay,,theofficialreleaseofWindows,duetothegreatimprovementofinterfacehumanizationmemorymanagementandotheraspectsFinallyobtainstheuser'sidentityIn,theChineseversionofwindowsreleaseTherearealotofthepioneersofthewindowsuserisstartingfromthisversionofwindowssystemIn,themostsensationalevents,thanduringtheAugustWindowsrelease,WindowsisamixtureofWindowssystem,theversionnumberisTheintroductionofWindowsisanimportantmilepostMicrosoftdevelopmentOnJune,,WindowswasreleasedThisnewsystemisbasedonWindowsItimprovedthesupportofthehardwarestandardsWinissogoodthatmanyusersstillpreferittodayMicrosoftWindows(originallyknownasWindowsNT)isakindofWindowsoperatingsystemwhichisWindowsNTseriesofpurebitgraphicalMicrosoftreleaseditinDecember,WindowsisthemainoperatingsystemforbusinessOnOctober,,WindowsXPwasreleasedWindowsXPisatrywhichMicrosoftputalluserrequirementsforsynthesisofanoperatingsystemItisimprovedwhichcompareswithpreviousWindowsdesktopsystemstabilityThecostislosttosupportbasedonDOSprogramBecauseMicrosofthasmanywhichwasprovidedbythethirdpartysoftwareintegratedintotheoperatingsystem,WindowsXPisabarrageofcriticismThesesoftwaresincludefirewalls,WindowsMediaPlayer,WindowsMessenger,anditisrelatedtoMicrosoftPasportnetworkservicescloselyitisconsideredbymanycomputerexpertsassecurityrisksandpotentialthreattopersonalprivacyInApril,WindowsServerwasreleasedAtfirst,theproductwascalled"WindowsthenetServer",secondlyitissaidas"WindowsthenetServer",afterthefinalitwaschangedtotheWindowsServerwhichwerepublishedonMarch,,andlistedontheendofAprilinthatyearWindowsVistaistheofficialnameoftheMicrosoftWindowsoperatingsystemwhosecodeis"Longhorn"(Longhorn)andwhatisMicrosoftcorpintheUnitedStatesdevelopedOnJuly,,sixo'clockinthemorningPacificstandardtime,MicrosoftofficiallyannouncedthenameOnJanuary,,MicrosoftchairmanBillGatescarridouttheworlddebutinNewYork'stimessquareProcessOfDevelopmentProcessOfDevelopmentLinuxOriginallytheLinuxkernelwaswrittenbyFinnLinusTorvaldsforpersonalinterestswhostudiedintheschoolofUniversityofHelsinkiTheLinuxreleaseiswhatweusuallycall"Linuxoperatingsystem",itmaybeissuedbyanorganization,companyorindividualLinuxmainlyisusedtothepartoftheLinuxdistributions(oftenreferredtoas"distro")A typical Linux distributions include: the Linux kernel, some GNU librariesand tools, the command line shell, X Window graphic interface and corresponding desktop environments, such as KDE or GNOME, and contains thousands of he compiler from the office suite, application software, text editors to scientific toolsTheLatestDevelopmentTheLatestDevelopmentComputeroperatingsystem:windowsOnOctober,intheUnitedStatesandOctober,inChinaMicrosoftformallyreleasedWindowsWindowsisdevelopedbyMicrosoftwhichrevolutionarychangesintheoperatingsystemThesystemisdesignedtomakePeople'sDailycomputeroperationmoresimplyandquickly,provideefficientandconvenientworkenvironmentforpeopleWindows(developmentcode:Blackcomb,andVienna,laterchangedto"")isusedforhouseholdandcommercialworkenvironment,suchaslaptops,tabletcomputers,multimediacenterWindowsOnSeptember,,Windowsdeveloperpreviewwasreleased,andMicrosoftannouncedthecompatiblemobileterminalsandwillmakeapple'sIOSandGoogleAndroidasaWindowsmaincompetitorsinthemobilespaceBeijingtimeonAugust,themessageinthemorning,announcedthatthedevelopmentofWindowswascompleted,andlaunchtheRTMversionOnOctober,MicrosoftlaunchedtheWindowsofficiallyMicrosoftclaimsthattouchrevolutionwillbeginWindowsisarevolutionarychangeoftheoperatingsystemTheLatestDevelopmentTheLatestDevelopmentMobilephoneoperatingsystem:AndroidGooglecompanyboughtamobilephoneoperatingsysteminasmallcompanyaftertheimprovementandoptimization,therearealotofChinamobileintheworkplaceisevolvedbytheandroidoperatingsystem,suchasmilletThelatestversionandroidIOSapple,basedontheUnixoperatingsystemdevelopment,thesystemforprocessingintheprocessofdoingwell,thisiswhyapplephoneswhileconfigurationisnotsohighbutandroidphonescanrunsosmoothlyThelatestversionforIosWindowsPhoneMicrosoft'sdevelopment,thisisnotmuchsaid,thefireofthefireProspectsForDevelopmentProspectsForDevelopmentWiththedevelopmentofcomputertechnologyandnetworktechnology,basedonthegeneralmainstreamoperatingsystemstilloccupyalargermarketshareinthefuture,someoperatingsystemwillbegraduallytothespecialandminiaturizationandotheraspectsofdevelopment,andhasthefollowingnewfeatures:opensourcingspecialtyminiaturizationandmicromationportablenetworksafetyortrusted

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