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系统级编程选择题.doc

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PAGE\*MERGEFORMAT18

MultipleChoiceQuiz1
1.WhichofthefollowingVisualC++objectsarecontainedwithina"Project"?(a)
I.FilesII.VisualC++SolutionsIII.Flowcharts
a.Ionly
b.I,IIandIII
c.IIonly
d.IIandIIIonly
WhichisthestartpointofaWindowsprogram(d)
a.thestatuswindowoftheVisualC++environment
b.builtbyusingsophisticated"ApplicationWizards"
c.aprogramthatisabletocontroltheoperatingsystemofawindowscomputer
d.thesimplesttypeofapplicationVisualC++cangenerate
3.Whichofthefollowingisabletodescribeacomputationatthehighestlevelofabstraction?(a)
a.C++code
b.logicGates
c.machinecode
d.Ccode
4.ConsiderthefollowingfragmentofC++sourcecode.(c)
Stringmsg;unsignedintx;inty;
cin>>msg>>x>>y;
cout<<x+y;
Whichofthefollowingis(are)trueregardingexecutionofthesegment?
1.Theinputstatementwillalwaystakethesameamountoftimetoexecute.
2.Theoutputstatementwillalwaysbeexecutedimmediatelyaftertheinputstatement.
3.Ifxandyarebothpositive,anintegergreaterthanbothwillbeprinted.
a.IIandIIIonly
b.IandIIonly
c.none
d.IIonly
5.Integratedprogrammingenvironmentsmakeitdifficulttomixandmatchtoolsfromdifferentsources.Thisis(b)
a.good,becausetoolsfromdifferentsourcescannotbemadetointeractwitheachother
b.bad,becausenosinglevendorislikelytobethesourceofallthebesttools
c.bad,becauseallthetoolswillthenhavethesameuserinterface
d.good,becauseitensurescompilationisnotdoneincrementallybyaccident
6.Comparedtoasequenceofmachinecodeinstructions,afragmentofCcode(a)
a.maydescribethesamealgorithm
b.isthenativewaytoprogrammostcomputers
c.describestheactionsofthecomputer,notjustoftheCPU
d.doesnotengageanytransistorsduringitsexecution

7.Whichofthefollowingdoesadebuggerdo?(c)
1.Analyzethesourcecodetofindprogrammingerrors.
2.Decodemachinecodegeneratedbyacompiler.
3.Stopexecutionofaprogram.
a.I,II,andIII.
b.IandIIIonly
c.IIandIIIonly
d.IIIonly
8.Whenusingadebuggertofindthecauseofaprogram'sincorrectbehavior,(a)
a.itisoftennecessarytostarttheprogrammultipletimesunderthedebugger
b.thefaultycodefragmentmustfirstbeidentified	
c.theprogramisu
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