系统级编程选择题(2013)

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1、MultipleChoiceQuiz1分数:1ConsiderthefollowingfragmentofC++sourcecode.   Stringmsg;unsignedintx;inty;   cin>>msg>>x>>y;   cout<

2、sbeexecutedimmediatelyaftertheinputstatement.  3.Ifxandyarebothpositive,anintegergreaterthanbothwillbeprinted.选择一个答案a.IIandIIIonlyb.nonec.IandIIonlyd.IIonly正确:BQuestion2分数:1Whichofthefollowingdoesadebuggerdo?  1.Analyzethesourcecodetofindprogrammingerrors.  2.Decodemachinecodegeneratedb

3、yacompiler.  3.Stopexecutionofaprogram.选择一个答案a.IIIonlyb.I,II,andIII.c.IandIIIonlyd.IIandIIIonly正确:DQuestion3分数:1WhichofthefollowingVisualC++objectsarecontainedwithina"Project"? I.Files     II.VisualC++Solutions         III.Flowcharts选择一个答案a.I,IIandIIIb.Ionlyc.IIonlyd.IIandIIIonly正确:bQue

4、stion4分数:1Comparedtoasequenceofmachinecodeinstructions,afragmentofCcode选择一个答案a.doesnotengageanytransistorsduringitsexecutionb.isthenativewaytoprogrammostcomputersc.describestheactionsofthecomputer,notjustoftheCPUd.maydescribethesamealgorithm正确:DQuestion5分数:1Integratedprogrammingenvironm

5、entsmakeitdifficulttomixandmatchtoolsfromdifferentsources.Thisis选择一个答案a.bad,becauseallthetoolswillthenhavethesameuserinterfaceb.good,becausetoolsfromdifferentsourcescannotbemadetointeractwitheachotherc.good,becauseitensurescompilationisnotdoneincrementallybyaccidentd.bad,becausenosingle

6、vendorislikelytobethesourceofallthebesttools正确:D这次提交的分数：1/1。Question6分数:1Whenusingadebuggertofindthecauseofaprogram'sincorrectbehavior,选择一个答案a.itisfastesttostartbystoppingthedebuggerlongbeforethebehaviorappearsb.theprogramisusuallyexecutedtothepointatwhichthebehavioroccursandthenexecute

7、dbackwardstofindthecausec.itisoftennecessarytostarttheprogrammultipletimesunderthedebuggerd.thefaultycodefragmentmustfirstbeidentified正确：C这次提交的分数：1/1。Question7分数:1InVisualC++,aWin32ConsoleApplicationis选择一个答案a.thestatuswindowoftheVisualC++environmentb.aprogramthatisabletocontrol