SystemsAnalysisandDesign考试习题精简版docx.docx
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SystemsAnalysisandDesign
ChapterOne
INTRODUCTIONTOSYSTEMSANALYSISANDDESIGN
1・1MultipleChoice
6・Thetechniquecalledallowsinferencestobedrawnfromimprecise
relationships.C『151
a.expertsystems
b・enterprisesystems
c.fuzzylogic
d.empowerment
12.Systemsoftwarealsoincludesa(n),whichcontrolstheflowofdata,
providesdatasecurity,andmanagesnetworkaccounts-C[19]
乩enterpriseapplication
b・networkoperatingsystem(NOS)
c.operatingapplication
d.legacysystem
18.Knowledgemanagementsystemsarecalledexpertsystemsbecausetheya『24].乩providejob-relatedinformationtousersatalllevelsofacompanyb・simulatehumanreasoningbycombiningaknowledgebaseandinferencerulesthatdeterminehowtheknowledgeisapplied
c.processdatageneratedbyday-to-daybusinessoperations
d・includee-mail,voicemail,fax,videoconferencing,wordprocessing,automatedcalendars,databasemanagement,spreadsheets,andhigh-speedInternetaccess
24.isatraditional,time-tested,easytounderstandsystemsdevelopment
techniquethatusesasetofprocessmodelstodescribeasystemgraphically.C『271
a.Object-orientedanalysisb・Jointapplicationdevelopment
c.Structuredanalysis
d.Rapidapplicationdevelopment
30.InthemodeloftheSDLCshownintheaccompanyingfigure,duringthe
newsystemisconstructed・
a.systemsplanning
b・systemsoperationandsupport
c.systemsdesign
d.systemsimplementation
6・Applicationsoftwaremanageshardwarecomponents,whichcanincludeasingleworkstationoraglobalnetworkwithmanythousandsofclients・F[7]
12.Service-orientedcompaniesmanufactureandsellproductssuchascomputers,routers,ormicrochips.FHl]
18・Thedecisionsupportcapabilityofabusinesssupportsystemcanhelpusersmakedecisions;forexample,atruckfleetdispatchercanrunaseriesofwhat-ifscenariostodeterminetheimpactofincreasedshipmentsorbadweathe匚T[15]
24.Becausetheyfocusonalongertimeframe,middlemanagersneedlessdetailedinformationthantopmanagers,butsomewhatmorethansupervisorswhooverseeday-to-dayoperations.F[18]
3().Anetworkmodeldescribesdatastructuresanddesign.F[19]
36.Object-orienied(O-O)methodologyisunpopularbecauseitisinflexible,inefficient,anddemandsadifficulttransitionto0-0programminglanguages・F[21]
42.Ascalabledesigncanexpandtomeetnewbusinessrequirementsandvolumes・
T[25]
48・Companiestypicallyrequirethatsystemsanalystshaveacollegedegreeininformationsystems,computerscience,business,oraclosely-relatedfield,andsomeITexperienceusuallyisrequired・T[28]
1・2True/False
6.F[7]12.Ffll]18.T[15]24.F[18]30.F[19]
36.F[21]42.T[25]4&T[28]
1.3ShortAnswer
6.Intheaccompanyingfigureshowingthecomponentsofaninformationsystem,hardware[7]consist(s)ofeverythinginthephysicallayeroftheinformationsystem.
12.Systemsanalystsuseaprocesscalledbusinessprocessmodeling[9Jtorepresentacompany^operationsandinformationneeds・
18.MostB2Btransactionsrelyonebctronicdatainterchan^(EDI)[12],whichreferstocomputer-to-computertransferofdatabetweencompanies,usuallyoverprivate
telecommunicationsnetworks.
24.Computer-aidedsystemsengineering(CASE)isatechniquethatusespowerfulsoftware,calledCASEtools[19],tohelpsystemsanalystsdevelopandmaintaininformationsystems.
3().TheendproductforthesystemsanalysisphaseoftheSDLCisthesystemrequirementsdocument[24],whichdescribesmanagementanduserrequirements,costsandbenefits,andoutlinesalternativedevelopmentstrategics.
1.3ShortAnswer
6.hardware[7]
12.businessprocessmodeling[9]
18.electronicdatainterchange(EDI)[12]
24.CASEtools[19]
30・systemrequirementsdocument[24]
ChapterTwo
ANALYZINGTHEBUSINESSCASE
2・1MultipleChoice
6.componentscanprovideautomatedresponsetosalesinquiries,
Web-basedorderprocessing,andonlineinventorytracking・b[56]
a.Missionstatement
b・Customerrelationshipmanagement(CRM)
c・Feasibilitystudy
d.Totalcostofownership(TCO)
12.Examplesoftangiblebenefitsincludeallofthefollowingexcepta]601・
a.auser-friendlysystemthatimprovesemployeejobsatisfaction
b・anewschedulingsystemthatreducesovertime
c.anonlinepackagetrackingsystemthatdecreasestheneedforclericalstaff
d・asophisticatedinventorycontrolsystemthatcutsexcessinventory
18.Byquestioningusersaboutadditionalcapabilitiestheywouldliketohave,insteadoffocusingondifficulties,asystemsanalystd[64].
a.highlightswaystoimprovetheuser'sjob
b.getsabetterunderstandingofoperations
c.buildsbetter,morepositiverelationshipswithusers
d・alloftheabove
24.Inapreliminaryinvestigationreport,thecontainsabriefdescriptionof
thesystem,thenameofthepersonorgroupperformingtheinvestigation,andthenameofthepersonorgroupwhoinitiatedtheinvestigation,a[711
a.introduction
b.systemsrequestsummary
c.expectedbenefits
d.timeandcostsestimates
2・1MultipleChoice
6.b[56J12.a[60]18.d[64J24.a[71]
2.2True/False
6.Asystemsrequestmightproposeenhancementsforanexistingsystem,thecorrectionofproblems,orthedevelopmentofanentirelynewinformationsystem.T[53]12・Internalandexternalfactorsaffecteverybusinessdecisionthatacompanymakes,andITsystemsarenoexception.T[54]
18・Competitiondrivesmanyinformationsystemsdecision.T『56]
24.Evenifusershavedifficultywithanewsystem,itstillwillproducetheexpectedbenefits.F1591
30.Fewnondiscretionaryprojectsarepredictable.F[63]
36.Asystemsrequestalwaysrevealstheunderlyingproblem,andnotjustasymptom.
F[651
42・Organizationchartsshowtheinformalalignmentofagroupbutnotformalreportingrelationships,whichareunimportant.F[68]
48・Inapreliminaryinvestigationreport,thesystemsrequestsummarydescribesthebasisofthesystemsrequest.T[71]
2・2True/False
6.T[53]12.T[54]18.T[56]24.F[59]30.F[63]
36.F[65J42.F[68J48.T[71J
2.3ShortAnswer
6.Aftercomposingamissionstatement,acompanyidentifiesasetofthat
willaccomplishthemission.
12.Somecommonsecuritycontrolsincludepasswords,variouslevelsofuseraccess,and,orcodingofdatatokeepitsafefromunauthorizedusers.
18.Electronicdatainterchange(EDI)enablesinventorysystems,
whichrelyoncomputcr-to-computcrdataexchangetominimizeunnecessaryinventory.
24・Afeasibilitystudyincludestestsfor,whichmeansthatthe
projectedbenefitsoftheproposedsystemoutweightheestimatedcosts.
30.Prqcctswheremanagementhasnochoiceinimplementingthemarccalled•
2・3ShortAnswer
6.goals[49]
12・encryption[53]
18.just-in-time(JIT)[55]
24.economicfeasibility[60]
30.nondiscretionaryprojects[62]
ChapterThree
REQUIRMENTSMODELING
3・1MultipleChoice
6.isatypicalexampleofasystemrequirementfortheoutputcategory.
a.ManufacturingemployeesmustswipetheirIDcardsintodatacollectionterminalsthatrecordlaborcosts
b・Thecontactmanagementsystemmustgenerateadailyreminderlistforallsalesreps
c.Thestudentrecordssystemmustallowrecordaccessbyeitherthestudentnameorthestudentnumber
cl.Thesystemmustsupport25userssimultaneously
12.Muchofthetimeasystemsanalystspendstalkingwithpeopleisspentconducting,whichis/arethemostcommonfact-findingtechnique.
a.interviews
b.questionnaires
c.sampling
d.research
18.Inprojectswhereitisdesirabletoobtaininputfromalargenumberofpeople,a(n),suchasthatshownintheaccompanyingfigure,canbeavaluabletool.
a.interview
b.questionnaire
c.sample
d.researchreport
24.Whenrecordingfacts,asystemsanalystshoulddocumenttheworkaccordingtoallofthefollowingprinciplesexcept.
a.recordinformationassoonasitisobtained
b.recordfindingsinsuchawaythattheycanbeunderstoodbysomeoneelse
c.organizedocumentationsorelatedmaterialislocatedeasily
d.usethemostcomplexmethodpossible
3・1MultipleChoice
6.b1100]12.a[106]1&b[112J24.d[118]
3・2True/False
6.Becauseofthelimitedrangeofinputandinteractionamongparticipants,fewcompaniesbelievethataJADgroupproducesthebestdefinitionofanewsystem・
12.CreatinganFDDisdifferentfromdrawinganorganizationchart一systemsanalystsstartatthebottomandworktheirwayup.
18.Becauseitwillhaveashorterusefullife,ascalablesystemoffersapoorerreturnontheinitialinvestment.
24.Creatingastandardlistofinterviewquestionshelpsasystemsanalysttokeepontrackandavoidunnecessaiytangents・
30.Whenusingataperecorderduringaninterview,assuretheintervieweethatthetapewillbeerasedafternotesaretranscribed,andthatthetapewillbestoppedandrewoundanytimeduringtheinterviewattheinterviewee^request.
36.Questionnairescanbeusedtoobtaininformationaboutawiderangeoftopics,includingworkloads,reportsreceived,volumesoftransactionshandled,jobduties,
difficulties,andopinionsofhowajobcouldbeperformedbetterormoreefficiently.
42.Asinglesitevisitusuallygivestruepictures,soitisunnecessarytovisitmorethanoneinstallation・
4&Apresentationgraphicsprogramallowsinformationaboutevents,observations,andsamplestobemanaged.
3・2True/False
6.F[94]12.F[98]18.F[102]24.T[107]30.T[110]
36.T[113]42.F[116]48.F[118]
3・3ShortAnswer
6・IntheaccompanyingRADmodel,thecombineselementsofthesystems
planningandsystemsanalysisphasesoftheSDLC・
12.A(n)isaUMLtechniquethatvisually
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