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Chapter1:IntroductionChapter1:IntroductionObjectivesWhatisanOperatingSystem?ComputerSystemStructureFourComponentsofaComputerSystemOperatingSystemDefinitionOperatingSystemDefinition(Cont.)ComputerSystemOrganizationComputerStartupComputer-SystemOperationCommonFunctionsofInterruptsInterruptHandlingInterruptTimelineI/OStructureTwoI/OMethodsDevice-StatusTableDirectMemoryAccessStructureStorageStructureStorageHierarchyStorage-DeviceHierarchyComputer-SystemArchitectureOperatingSystemStructureMemoryLayoutforMultiprogrammedSystemOperating-SystemOperationsTransitionfromUsertoKernelModeOperating-SystemOperations(Cont.)ProcessManagementProcessManagementActivitiesMemoryManagementStorageManagementMass-StorageManagementCachingPerformanceofVariousLevelsofStorageMigrationofIntegerAfromDisktoRegisterI/OSubsystemProtectionandSecurityComputingEnvironmentsComputingEnvironments(Cont.)Peer-to-PeerComputingWeb-BasedComputingEndofChapter1