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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