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系统级编程选择题.doc

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实用标准 文案大全 MultipleChoiceQuiz1 分数:1 ConsiderthefollowingfragmentofC++sourcecode.Stringmsg;unsignedintx;inty;cin>>msg>>x>>y;cout<<x+y; Whichofthefollowingis(are)trueregardingexecutionofthesegment? 1.Theinputstatementwillalwaystakethesameamountoftimetoexecute.2.Theoutputstatementwillalwaysbeexecutedimmediatelyaftertheinputstatement.3.Ifxandyarebothpositive,anintegergreaterthanbothwillbeprinted. 选择一个答案 a.IIandIIIonlyb.nonec.IandIIonlyd.IIonly 正确:B Question2 分数:1 Whichofthefollowingdoesadebuggerdo? 1.Analyzethesourcecodetofindprogrammingerrors.2.Decodemachinecodegeneratedbyacompiler.3.Stopexecutionofaprogram. 选择一个答案 a.IIIonlyb.I,II,andIII.c.IandIIIonlyd.IIandIIIonly 正确:D Question3 分数:1 WhichofthefollowingVisualC++objectsarecontainedwithina"Project"?I.FilesII.VisualC++SolutionsIII.Flowcharts 选择一个答案 a.I,IIandIIIb.Ionlyc.IIonlyd.IIandIIIonly 正确:b Question4 分数:1 Comparedtoasequenceofmachinecodeinstructions,afragmentofCcode 选择一个答案 a.doesnotengageanytransistorsduringitsexecutionb.isthenativewaytoprogrammostcomputersc.describestheactionsofthecomputer,notjustoftheCPUd.maydescribethesamealgorithm 正确:D Question5 分数:1 Integratedprogrammingenvironmentsmakeitdifficulttomixandmatchtoolsfromdifferentsources.Thisis 选择一个答案 a.bad,becauseallthetoolswillthenhavethesameuserinterfaceb.good,becausetoolsfromdifferentsourcescannotbemadetointeractwitheachotherc.good,becauseitensurescompilationisnotdoneincrementallybyaccidentd.bad,becausenosinglevendorislikelytobethesourceofallthebesttools 正确:D 这次提交的分数：1/1。 Question6 分数:1 Whenusingadebuggertofindthecauseofaprogram'sincorrectbehavior, 选择一个答案 a.itisfastesttostartbystoppingthedebuggerlongbeforethebehaviorappearsb.theprogramisusuallyexecutedtothepointatwhichthebehavioroccursandthenexecutedbackwardstofindthecausec.itisoftennecessarytostarttheprogrammultipletimesunderthedebuggerd.thefaultycodefragmentmustfirstbeidentified 正确：C 这次提交的分数：1/1。 Question7 分数:1 InVisualC++,aWin32ConsoleApplicationis 选择一个答案 a.thestatuswindowoftheVisualC++e