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ID:11089195
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时间:2018-07-09
《操作系统全英文期中考试题(带答案)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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
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