系统级编程选择题.doc

MultipleChoiceQuiz1
Question1
Comparedtoasequenceofmachinecodeinstructions,afragmentofCcode
选择一个答案
a.doesnotengageanytransistorsduringitsexecutionb.maydescribethesamealgorithmmaydescribethesamealgorithmc.describestheactionsofthecomputer,notjustoftheCPUd.isthenativewaytoprogrammostcomputers
Question2
Whichofthefollowingisabletodescribeacomputationatthehighestlevelofabstraction?
选择一个答案
a.C++codeb.logicGatesc.Ccoded.machinecode
Question3
Whichofthefollowingdoesadebuggerdo?
1.Analyzethesourcecodetofindprogrammingerrors.2.Decodemachinecodegeneratedbyacompiler.3.Stopexecutionofaprogram.
选择一个答案
a.IIIonlyb.IandIIIonlyc.IIandIIIonlyd.I,II,andIII.
Question4
Integratedprogrammingenvironmentsmakeitdifficulttomixandmatchtoolsfromdifferentsources.Thisis
选择一个答案
a.good,becauseitensurescompilationisnotdoneincrementallybyaccidentb.bad,becauseallthetoolswillthenhavethesameuserinterfacec.good,becausetoolsfromdifferentsourcescannotbemadetointeractwitheachotherd.bad,becausenosinglevendorislikelytobethesourceofallthebesttools
Question5
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.IandIIonlyc.IIonlyd.none
Question6
WhichofthefollowingVisualC++objectsarecontainedwithina"Project"?I.FilesII.VisualC++SolutionsIII.Flowcharts
选择一个答案
a.I,IIandIIIb.Ionlyc.IIonlyd.IIandIIIonly

Question7
Whenusingadebuggertofindthecauseofaprogram'sincorrectbehavior,
选择一个答案
a.itisfastesttostartbystoppingthedebuggerlongbeforethebehaviorappearsb.itisoftennecessarytostarttheprogrammultipletimesunderthedebuggerc.thefaultycodefragmentmustfirstbeidentifiedd.theprogramisusuallyexecutedtothepointatwhichthebehavioroccursandthenexecutedbackwardstofindthecause
Question8
InVisualC++,aWin32Console