五邑大学计算机科学概论习题与答案

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1、Chapter3.OperatingSystems MultipleChoiceQuestions 1.Whichofthefollowingcomponentsofanoperatingsystemmaintainsthedirectorysystem?      A.Devicedrivers           B.Filemanager             C.Memorymanager      ANSWER: B 2.Whichofthefollowingcomponentsofanoperatingsystem

2、handlesthedetailsassociatedwithparticularperipheralequipment?下列哪个组件的一个操作系统处理与特定的外围设备相关联的细节吗?      A.Devicedrivers 设备驱动程序          B.Filemanager             C.Memorymanager ANSWER: A 3.Whichofthefollowingcomponentsofanoperatingsystemisnotpartofthekernel?      A.Shell 

3、                  B.Filemanager             C.Scheduler调度器 ANSWER: A 4.MultitaskinginacomputerwithonlyoneCPUisaccomplishedbyatechniquecalled    .多任务在计算机只有一个CPU通过一种技术被称为      A.Bootstrapping 自助法           B.Batchprocessing 成批处理    C.Multiprogramming多道程序设计 ANSWER: C 5.

4、Executionofanoperatingsystemisinitiatedbyaprogramcalledthe    .      A.Windowmanager     B.Scheduler           C.Bootstrap引导程序 ANSWER: C 6.Theendofatimesliceisindictedbytheoccurrenceofasignalcalled    .时间片结束时发生的一个信号      A.Aninterrupt        B.Asemaphore 一个信号量       

5、    C.Alogin一个登录 ANSWER: A 7.Asetofinstructionsthatshouldbeexecutedbyonlyoneprocessatatimeiscalled    .一组指令,应执行一次只有一个进程      A.Utility 实用           B.Criticalregion临界区           C.Privilegedinstruction特权指令 ANSWER:B 8.Whichofthefollowingisnotanattempttoprovidesecurity

6、?      A.Passwords密码      B.Privilegeinstructions            C.Multitasking多重任务处理 ANSWER:C 9.Whichofthefollowingeventsisharmfultoanoperatingsystem’sperformance?      A.Deadlock     B.Interrupt       C.Booting引导启动  ANSWER:A 10.Whichofthefollowingisatechniqueforcontrol

7、lingaccesstoacriticalregion?下列哪个技术控制访问临界区?      A.Spooling 假脱机   B.Timesharing      C.Semaphore 信号；旗语       D.Booting ANSWER:C 11.Whichofthefollowingisnotinvolvedinaprocessswitch?      A.Interrupt      B.Processtable            C.Dispatcher调度程序          D.Shell ANSWE

8、R:D 12.Whichofthefollowingisataskthatisnotperformedbythekernelofanoperatingsystem?下列哪个是一个任务,并不是由一个操作系统的内核?      A.Communicatewithth