操作系统全英文期中考试题(带答案)

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1、XX大学2011——2012学年第一学期《操作系统》期中考试试题（A）考试注意事项考试课程操作系统考试时间120分钟年月日题号一二三四总分满分20203030得分阅卷教师一、选择（每题1分，共20分）1.Whichfunctiondoestheoperatingsystemcannotcompletedirectlyofthefollowingfouroptions?(b)A.Managingcomputer'sharddriveB.CompiletheprogramC.VirtualmemoryD.Deletefiles2.Consideringthefunctionoftheo

2、peratingsystem,(b)mustgivetimelyresponsefortheexternalrequestwithinthespecifiedtime.A.multiusertimesharingsystemB.real-timeoperatingsystemC.batchoperatingsystemD.networkoperatingsystem3.Aprocesscantransformfromwaitingstatetoreadystaterelyingon(d)A.programmercommandB.systemserviceC.waitingforth

3、enexttimesliceD.wake-upofthe'cooperation'process4.Asweallknow,theprocesscanbethoughtofasaprograminexecution.Wecandealwiththetheproblemabout(b)easierafterimportingtheconceptofprocess.A.exclusiveresourcesB.sharedresourcesC.executinginorderD.easytoexecute5.CPU-schedulingdecisionsmaytakeplaceunder

4、thefollowingcircumstancesexceptwhichone？（D）A.WhenaprocessswitchesfromtherunningstatetothewaitingstateB.WhenaprocessswitchesfromtherunningstatetothereadystateC.WhenaprocessswitchesfromthewaitingstatetothereadystateD.Whenaprocessswitchesfromthereadystatetothewaitingstate6.InthefourcommonCPUsched

5、ulingalgorithm,Whichoneisthebestchoiceforthetime-sharingsystemingeneral？（C）A.FCFSschedulingalgorithmB.PriorityschedulingalgorithmC.Round-robinschedulingalgorithmD.Shortest-job-firstschedulingalgorithm7.IftheinitialvalueofsemaphoreSis2inawait()andsignal()operation，itscurrentvalueis-1,thatmeanst

6、hereare(B)processesarewaiting。A.0B.1C.2D.38.Generallyspeaking,wecandealwithdeadlockprobleminthreeways.Deadlockpreventionisbasedon（c）A.allocateenoughsystemresourcesB.makeareasonableprocessC.oneofthedestructionofthefournecessaryconditionsD.preventthesystemgointoastateofinsecurity.9.Intheoperatin

7、gsystem，wait()andsignal()operationisakindof（d）A.machineinstructionB.systemcallsC.jobcontrolscommandD.low-levelprocesscommunicationprimitives10.Inthejobschedulingalgorithms，ifalljobscomeatthesametime，whichalgorithmhastheshortestaveragewa