Test03(选择题)

TestBank—ChapterThree(OperatingSystems)MultipleChoiceQuestions1.Whichofthefollowingcomponentsofanoperatingsystemmaintainsthedirectorysystem?A.DevicedriversB.FilemanagerC.MemorymanagerANSWER:B2.Whichofthefollowingcomponentsofanoperatingsystemhandlesthedetailsassociatedwithparticularperipheralequipment?A.DevicedriversB.FilemanagerC.MemorymanagerANSWER:A3.Whichofthefollowingcomponentsofanoperatingsystemisnotpartofthekernel?A.ShellB.FilemanagerC.SchedulerANSWER:A4.MultitaskinginacomputerwithonlyoneCPUisaccomplishedbyatechniquecalledA.BootstrappingB.BatchprocessingC.MultiprogrammingANSWER:C5.ExecutionofanoperatingsystemisinitiatedbyaprogramcalledtheA.WindowmanagerB.SchedulerC.BootstrapANSWER:C6.TheendofatimesliceisindictedbytheoccurrenceofasignalcalledA.AninterruptB.AsemaphoreC.AloginANSWER:A7.AsectionofaprogramthatshouldbeexecutedbyatmostoneprocessatatimeiscalledaA.UtilityB.CriticalregionC.PrivilegedinstructionANSWER:B8.Whichofthefollowingisnotanattempttoprovidesecurity?A.PasswordsB.PrivilegelevelsC.MultitaskingANSWER:C9.Whichofthefollowingitemsofinformationwouldnotbecontainedinanoperatingsystem’sprocesstable?A.ThelocationofthememoryareaassignedtotheprocessB.ThepriorityofeachprocessC.WhethertheprocessisreadyorwaitingD.ThemachinelanguageinstructionsbeingexecutedbytheprocessANSWER:D10.Whichofthefollowingeventsisdetrimentaltoanoperatingsystem’sperformance?A.DeadlockB.InterruptC.BootingANSWER:A11.Whichofthefollowingisatechniqueforcontrollingaccesstoacriticalregion?A.SpoolingB.TimesharingC.SemaphoreD.BootingANSWER:C12.Whichofthefollowingisnotinvolvedinacontextswitch?A.InterruptB.ProcesstableC.DispatcherD.ShellANSWER:D13.Whichofthefollowingconceptsisnotassociatedwithcriticalregions?A.SemaphoresB.MutualexclusionC.BootstrapANSWER:C14.Whichofthefollowingisnotaroleofatypicaloperatingsystem?A.Controltheallocationofthemachine’sresourcesB.ControlaccesstothemachineC.MaintainrecordsregardingfilesstoredinmassstorageD.AssistthecomputeruserinthetaskofprocessingdigitalphotographsANSWER:D15.Whichofthefollowingisataskthatisnotperformedbythekernelofanoperatingsystem?A.CommunicatewiththeuserB.ScheduleprocessesC.AllocateresourcesD.AvoiddeadlockANSWER:A16.Whichofthefollowingisnotameansofperformingmultipleactivitiesatthesametime?A.PipelingB.MultiprogrammingC.VirtualmemoryD.MultipleprocessorsANSWER:C(Caution:ThisproblemusesterminologyfromChapter1.)17.Whichofthefollowingcomponentsofanoperatingsystemisexecutedastheresultofaninterruptsignal?A.DispatcherB.MemorymanagerC.FilemanagerANSWER:A18.Whichofthefollowingwouldbeaconcernofthefilemanagerinamulti-usercomputersystemthatwouldnotbeaconcerninasingle-usersystem?A.MaintainrecordsregardingthelocationoffilesB.MaintainrecordsregardingtheownershipoffilesC.MaintainrecordsregardingthesizeoffilesD.NoneoftheaboveANSWER:B19.Whichofthefollowingwouldnotrequirereal-timeprocessing?A.TypingadocumentwithawordprocessorB.NavigationofanaircraftC.Forecastingword-widetradeforthenextfiveyearperiodD.MaintainingaairlinereservationsystemANSWER:C20.Whichofthefollowingstatementsistrue?A.Allowingseveralprocessestosharetimeinamultiprogrammingsystemislessefficientthanexecutingeachofthemtocompletiononeaftertheother.B.Theuseofpasswordsprovidesanimpenetrablesafeguard.C.BothAandBD.NeitherAnotBANSWER:D