labview考试样题二英语.docx
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labview考试样题二英语.docx
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labview考试样题二英语
CertifiedLabVIEWAssociateDeveloperExam
TestBooklet
Instructions:
Ifyoudidnotreceivethisexaminasealedenvelopestamped"NICertification,"DONOTACCEPTthisexam.Returnittotheproctorimmediately.Youwillbeprovidedwithareplacementexam.
Pleasedonotdetachthebindingstapleofanysection.IfanypartoftheexampaperismissingordetachedwhenreturnedtoNationalInstruments,youwillbedeemedtohavefailedtheexam.
Pleasedonotasktheproctorforhelp.Ifyoubelievetheintentofaquestionisnotclear,youmaynotethatquestion,andyourreasonsforchoosingtheansweryoubelievebestfitsthequestion.
Thisexaminationmaynotbetakenfromtheexaminationareaorreproducedinanyway.Youmaynotkeepanyportionofthisexamafteryouhavecompletedit.
ExamDetails:
Timeallocated:
1hour
Typeofexamitems:
Multiplechoice
Numberofexamitems:
40questions
PassingGrade:
70%
IMPORTANT:
Whenyouhavecompletedthisexam,placeitintheprovidedenvelopewithyouanswersheetandSEALtheenvelope.Givethesealedenvelopetoyourproctor.
AnswerSheet:
ToquicklycheckyouranswersagainstthesolutionsontheSolutionsPage,recordyouranswersonthisAnswersSheet.DetachthispageandrecordyouranswersasyougoalongThispageisnotincludedintheactualCLADexam;itisincludedhereforpracticepurposesonly.TheSolutionsPageisattheendoftheSampleExam.
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SampleExamItems:
1.InwhatinstancewouldyouusetheProbetoolratherthanHighlightExecution?
a.Toseetheflowofdata
b.Toseethevalueofawireinrealtime
c.TolookintoaSubVI,astheprocessisrunning
d.ToslowdowntheVItoshowvaluesinwires
2.WhichofthefollowingstatementsregardingArrayconstantsareNOTtrue:
a.WhenyoucreateanArrayconstantontheblockdiagram,itisnotvisibleontheFrontPanel.
b.YoucannotresizeanArrayconstanttoincludemorethanoneelement.
c.YoucancopyordraganexistingArrayontheFrontPaneltotheBlockDiagramtocreateaconstantofthesamedatatype.
d.AllarrayoperationscanbeperformedonanArrayconstant
3.Inthefigurebelow,whatwillResultequalwhenthiscalculationisexecuted?
a.55
b.70
c.65
d.Indeterminate
4.ThefunctionofaClusteristo:
a.Allowgroupingofmixeddatatypesintologicalstructures.
b.PresentdataontheFrontPanelusingchartsorgraphs.
c.ProvideameansofdifferentiatingbetweendatatypesontheBlockDiagram.
d.SeparatedataobjectsbydatatypeontheFrontPanel.
5.CanProbesbeattachedtoobjectsontheFrontPanel:
a.Yes.
b.No.
6.WhatistheresultinArrayafterthefollowingcodehasexecuted?
a.A1‐Darrayof{1,4,3,2,1,0}
b.A1‐Darrayof{1,8,0,1,2,3,4,6,2}
c.A1‐Darrayof{1,4,3,2,1,0,8,6,2}
d.A1‐Darrayof{1,8,0,1,2,2,9}
7.Whatistheresultinnewstringafterthefollowingcodehasexecuted?
a.Hellotoyou!
b.HelloWtoyou!
c.Hellotoyou!
!
d.Hellotoyou!
8.WhichofthefollowingdisplayoptionsareavailableforstringsontheFrontPanel?
a.‘\’Codes
b.Password
c.Hex
d.Alloftheabove
9.Whatistheresultinsubarrayafterthefollowingcodehasexecuted?
a.A1‐DArrayof{8,5,7}
b.A1‐DArrayof{10,8,5}
c.A1‐DArrayof{10,8,5,7}
d.A1‐DArrayof{7,10,8,5}
10.Inthefigurebelow,theoutputofArraySizeis
a.a1‐DArrayof{2,3}
b.a1‐DArrayof{3,2}
c.2
d.Noneoftheabove
11.WhatistheresultofthefollowingArraysubtraction?
a.A1‐DArrayof{‐25,25,50}
b.A1‐DArrayof{‐25,25}
c.A2‐DArrayof{{‐25,‐50,‐50},{50,25,25}}
d.A1‐DArrayof{75,‐50,25}
12.Whichofthefollowingallowsyoutoplotanysetofpoints,evenlydistributedornot?
a.WaveformGraph
b.WaveformChart
c.XYGraph
d.BothA.andC.
13.WhichofthefollowingproducesthisXYGraph?
a.A
b.B
c.C
d.D
14.WhichofthegraphsbelowmatchestheoutputintheWaveformGraphindicatorafterthefollowingcodehasexecuted?
a.A
b.B
c.C
d.D
15.TheWaitfunctioncanbeaddedtoWhileLoops:
a.Tofreeupavailablememory.
b.ToallocatememoryusedbytheCPU.
c.Toallowtheprocessortimetocompleteothertasks.
d.Toreservewhichprocessorthecodeisrunningon.
16.WhichofthefollowingmethodsisNOTamethodtocreatea1‐DArray:
a.PlaceanArrayShellontheFrontPanelanddragaControlintotheshell.
b.UseaWhileLoopwithauto‐indexingdisabled.
c.UseaForLoopwithauto‐indexingenabled.
d.UsetheInitializeArrayfunction.
17.Whichofthefollowingstatementsistrueregardingtheexecutionofthefollowingcode?
a.Theloopwilliterate51times.
b.Theloopwilliterate50times.
c.Theloopwilliterate49times.
d.AForLoopthathasa50wiredtothecountterminalwillperformthesameoperation.
18.Whichofthefollowingaccuratelydescribestheoutputthatresultsfromexecutionofthefollowingloop?
a.ThelastthreevaluesfromtheDAQAssistantwillbedisplayed.
b.Arunningaverageofallmeasurementswillbedisplayed.
c.Anaverageofthelastfourmeasurementswillbedisplayed.
d.Noneoftheabove
19.WhichofthefollowingstatementsisNOTvalid:
a.YoucanmakeaClusterofClusters.
b.YoucanmakeanArrayofArrays.
c.YoucanmakeaClusterofArrays.
d.YoucanmakeanArrayofClusters.
20.Whichofthefollowingstatementsistrue?
a.ThedefaultsettingforatunnelintooroutofaForLoophasauto‐indexingenabledifthedatabeingpassedisanarray.
b.ThedefaultsettingforatunnelintooroutofaWhileLoophasauto‐indexingdisabledifthedatabeingpassedisanarray.
c.BothA.andB.aretrue
d.Noneoftheabove
21.WhichofthefollowingstatementsistrueregardingtheuseofCoercionDots?
a.CoercionDotsimproveprogramperformance.
b.CoercionDotsrepresentaconversionfromonedatatypetoanother.
c.CoercionDotsincreasesmemoryusage
d.BothA.andB.
e.BothB.andC.
22.WhichofthefollowinggraphsmatchestheresultinComparisonValuesafterthefollowingcodehasexecuted?
a.A
b.B
c.C
d.D
23.Whichcombinationofwordscorrectlycompletesthefollowingstatement?
Unlike__________,whichdisplayonlythemostrecentarrayofvalueswrittentothem,___________updateperiodicallyandmaintainahistoryofthepastdata.
a.graphs;charts
b.charts;plots
c.plots;graphs
d.charts;graphs
24.WhichofthefollowingwillallowyoutohavemultipleplotsonaWaveformGraph?
a.Bundletwo1DarraysofXandYdatatogetherforeachplot.ThenbuildanarrayoftheseclustersandwireittotheWaveformGraphindicator.
b.Buildann‐dimensionalarrayofdatawitheachplotinaseparaterow(orcolumn)inthearray,thenwirethearraytotheWaveformGraphindicator.
c.Bundletheelementsofeachwaveformintoaclusterandbuildanarrayoftheseclusters,thenwirethearraytotheWaveformGraphindicator.
d.BothB.andC.
25.WhichofthefollowingisNOTatraditionaldebuggingfeatureusedtohelpfinderrorsinaVI:
a.HighlightExecution.
b.SingleStepping
c.Breakpoints
d.StopValues
26.WhatVIistypicallyusedtoterminateanErrorClusterwireandtodisplayanyerrormessage?
a.MergeErrors
b.OneButtonDialog/TwoButtonDialog
c.GenerateFrontPanelActivity
d.SimpleErrorHandler
27.ThefollowingfigureisanexampleofwhichcommontypeofVIarchitecture?
a.MultipleCaseStructureVI
b.GeneralVI
c.StateMachineVI
d.ParallelLoopVI
28.Clickingonthe_________buttonallowsyoutobypassanodeintheBlockDiagramwithoutsingle‐steppingthroughthenode.
a.StepInto
b.StepOver
c.StepOut
d.StepThrough
29.Variantsareusedforallofthefollowingbut:
a.Passingvaluesbetweenprogramswrittenwithdifferentcompilers
b.Allowingsoftwaretoachieveagreaterdegreeofgenerality
c.Representinganydatatype
d.Convertingfromfixedpointtofloatingpointdata
30.Youcanuseallofthefollowingdatatypesasinputstothecaseselectorterminalexcept:
a.Doubles
b.Enumeratedtypevalues
c.Strings
d.Integers
31.TheErrorlistshowsallofthefollowingbut:
a.Itemswitherrors
b.Errorsandwarnings
c.Detailsaboutthewarnings
d.ErrorCodes
32.Thefollowingbreakpointdoeswhichofthefollowing:
a.CausestheVItoabort
b.CausestheVItopause
c.CausestheVItosinglestepovertheaddition
d.CausestheVItosinglestepovertheindicator
33.WhichofthefollowingisNOTacomponentofanErrorCluster?
a.Status.
b.Code.
c.Source.
d.VIname
34.WhatisthevalueinXORResultafterthefollowingcodehasexecuted?
a.0
b.1
c.True
d.False
35.WhichofthefollowingstatementsregardingtheindexofArraysareNOTtrue?
a.TheindexisusedtoaccessaparticularelementofanArray.
b.Theindexrangesfrom1ton.
c.A2‐DArrayhasbothacolumnindexandarowindex.
d.Theindexrangesfrom0ton‐1.
36.Clustersprovideauserwithwhichofthefollowingbenefits?
a.Clustersallowalogicalgroupingofrelateddataelements.
b.ClustersincreasethenumberofConnectorPaneterminalsofSubVI’s.
c.ClustershelptoreducewireclutterontheBlockDiagram.
d.BothA.andC.
37.Whichchartupdatemodeplotsnewdatafromlefttoright,t
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