labview考试样题二英语.docx

labview考试样题二英语.docx

《labview考试样题二英语.docx》由会员分享，可在线阅读，更多相关《labview考试样题二英语.docx（19页珍藏版）》请在冰点文库上搜索。

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.

1._____

2._____

3._____

4._____

5._____

6._____

7._____

8._____

9._____

10._____

11._____

12._____

13._____

14._____

15._____

16._____

17._____

18._____

19._____

20._____

21._____

22._____

23._____

24._____

25._____

26._____

27._____

28._____

29._____

30._____

31._____

32._____

33._____

34._____

35._____

36._____

37._____

38._____

39._____

40._____

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