相關章節(jié)作業(yè)及答案課件

ModernSoftwareEngineeringCollegeofComputer(SW)ScienceSichuanUniversity?2010SichuanUniversityAllrightsreserved.|Confidential2ExerciseWhichquestionnolongerconcernsthemodernsoftwareengineeringWhydoescomputerhardwarecostsomuch?Whydoessoftwaretakealongtimetofinish?Whydoesitcostsomuchtodevelopapieceofsoftware?Whycan'tsoftwareerrorsberemovedfromproductspriortodelivery?Answer:aTodaytheincreasedpowerofthepersonalcomputerhasbroughtaboutanabandonmentofthepracticeofteamdevelopmentofsoftware.TrueFalseAnswer:bSoftwareisaproductandcanbemanufacturedusingthesametechnologiesusedforotherengineeringartifacts.TrueFalseAnswer:bSoftwaredeterioratesratherthanwearsoutbecauseSoftwaresuffersfromexposuretohostileenvironments.Defectsaremorelikelytoariseaftersoftwarehasbeenusedoften.Multiplechangerequestsintroduceerrorsincomponentinteractions.Softwaresparepartsbecomehardertoorder.Answer:c1-A?2010SichuanUniversityAllrightsreserved.|Confidential3Exercise5.Mostsoftwarecontinuestobecustombuiltbecausea.Componentreuseiscommoninthesoftwareworld.b.Reusablecomponentsaretooexpensivetouse.c.Softwareiseasiertobuildwithoutusingsomeoneelse'scomponents.d.Off-the-shelfsoftwarecomponentsareunavailableinmanyapplicationdomains.Answer:d6.Thenatureofsoftwareapplicationscanbecharacterizedbytheirinformationa.complexityb.contentc.determinacyd.bothbandcAnswer:d7.Changecannotbeeasilyaccommodatedinmostsoftwaresystems,unlessthesystemwasdesignedwithchangeinmind.TrueFalseAnswer:a8.Thefunctionalityofmostcomputersystemsdoesnotneedtobeenhancedthelifetimeofthesystem.TrueFalseAnswer:b?2010SichuanUniversityAllrightsreserved.|Confidential4Chapter2AGenericViewofProcessSoftwareEngineering–ALayeredTechnologyAProcessFrameworkCMMIProcessPatternsProcessTechnologyContent?2010SichuanUniversityAllrightsreserved.|Confidential5ExerciseWhichoftheitemslistedbelowisnotoneofthesoftwareengineeringlayers?Answer:bProcessManufacturingMethodsToolsSoftwareengineeringumbrellaactivitiesareonlyappliedduringtheinitialphasesofsoftwaredevelopmentprojects.Answer:bTrueFalseWhichofthesearethe5genericsoftwareengineeringframeworkactivities?Answer:acommunication,planning,modeling,construction,deploymentcommunication,riskmanagement,measurement,production,reviewinganalysis,designing,programming,debugging,maintenanceanalysis,planning,designing,programming,testingWhichofthesetermsarelevelnamesintheCapabilityMaturityModel?Answer:ePerformedRepeatedReusedOptimizedBothaandd?2010SichuanUniversityAllrightsreserved.|Confidential6Exercise5.Whichoftheitemslistedbelowisnotoneoftheprocesspatterns.Answer:da.Intentb.Solutionc.ResultingContextd.Output6.Processtechnologytoolsallowsoftwareorganizationstocompressschedulesbyskippingunimportantactivities.Answer:ba.Trueb.False7.Itisgenerallyacceptedthatonecannothaveweaksoftwareprocessesandcreatehighqualityendproducts.Answer:aTrueFalse8.Thetasks(anddegreeofrigor)foreachactivityarealwaysunchanged.Answer:bTrueFalseQuestionforChapter2Listthreeareasinwhichprocessmodelsmaydifferfromoneanother.WhatarethenamesofthesixlevelsoftheSEICapabilityMaturityModelIntegration(CMMI)?Inyourownwords,brieflydescribeeach.WhyhasthePersonalSoftwareProcesshasnotbeenwidelyadoptedbyindustry?Answer:(Section2.6.2)Describethe“plan-do-check-act”cyclefromintheISO9001:2000standardasitisappliedtoassessingthequalitymanagementelementsofasoftwareproject.?2010SichuanUniversityAllrightsreserved.|Confidential8Chapter3ProcessModelsPrescriptiveprocessmodelsWaterfallModelIncrementalprocessmodelsIncrementalmodelRADmodelEvolutionaryprocessmodelsPrototypingmodelSpiralmodelConcurrentdevelopmentmodelSpecializedprocessmodelsComponent-BaseddevelopmentmodelFormalmethodsmodelAspect-OrientedsoftwaredevelopmentmodelUnifiedProcessContent?2010SichuanUniversityAllrightsreserved.|Confidential9ExerciseThelinearsequentialmodelofsoftwaredevelopmentis

Answer：aAreasonableapproachwhenrequirementsarewelldefined.Agoodapproachwhenaworkingprogramisrequiredquickly.Thebestapproachtouseforprojectswithlargedevelopmentteams.Anoldfashionedmodelthatcannotbeusedinamoderncontext.ThelinearsequentialmodelofsoftwaredevelopmentisalsoknownastheAnswer：eClassicallifecyclemodelFountainmodelSpiralmodelWaterfallmodelbothaanddTheincrementalmodelofsoftwaredevelopmentisAnswer：bAreasonableapproachwhenrequirementsarewelldefined.Agoodapproachwhenaworkingcoreproductisrequiredquickly.Thebestapproachtouseforprojectswithlargedevelopmentteams.Arevolutionarymodelthatisnotusedforcommercialproducts.TherapidapplicationdevelopmentmodelisAnswer：cAnothernameforcomponent-baseddevelopment.Ausefulapproachwhenacustomercannotdefinerequirementsclearly.Ahighspeedadaptationofthelinearsequentialmodel.Alloftheabove.?2010SichuanUniversityAllrightsreserved.|Confidential10Exercise5.EvolutionarysoftwareprocessmodelsAnswer：dAreiterativeinnatureCaneasilyaccommodateproductrequirementschangesDonotgenerallyproducethrowawaysystemsAlloftheabove6.TheprototypingmodelofsoftwaredevelopmentisAnswer：ba.Areasonableapproachwhenrequirementsarewelldefined.b.Ausefulapproachwhenacustomercannotdefinerequirementsclearly.c.Thebestapproachtouseforprojectswithlargedevelopmentteams.d.Ariskymodelthatrarelyproducesameaningfulproduct.7.WhichoftheseisnotoneofthephasenamesdefinedbytheUnifiedProcessmodelforsoftwaredevelopment?Answer：dInceptionphaseElaborationphaseConstructionphaseValidationphase8.IntheUnifiedProcessmodelrequirementsaredeterminediterativelyandmayspanmorethanonephaseoftheprocess.Answer：aTrueFalse?2010SichuanUniversityAllrightsreserved.|Confidential11Chapter4AgileDevelopmentWhatisAgility?AnAgileprocessAgileProcessModelExtremeProgramming(XP)AdaptiveSoftwareDevelopment(ASD)DynamicSystemsDevelopmentMethod(DSDM)ScrumCrystalFeatureDrivenDevelopment(FDD)AgileModeling(AM)Content?2010SichuanUniversityAllrightsreserved.|Confidential12ExerciseAgilityisnothingmorethantheabilityofaprojectteamtorespondrapidlytochange.

TrueFalseWhichofthefollowingisnotnecessarytoapplyagilitytoasoftwareprocess?EliminatetheuseofprojectplanningandtestingOnlyessentialworkproductsareproducedProcessallowsteamtostreamlinetasksUsesincrementalproductdeliverystrategyHowdoyoucreateagileprocessestomanageunpredictability?RequirementsgatheringmustbeconductedverycarefullyRiskanalysismustbeconductedbeforeplanningtakesplaceSoftwareincrementsmustbedeliveredinshorttimeperiodsSoftwareprocessesmustadapttochangesincrementallyBothcanddAnswer:Whichofthefollowingtraitsneedtoexistamongthemembersofanagilesoftwareteam?CompetenceDecision-makingabilityMutualtrustandrespectAlloftheabove.Answer:1-B2-A3-E4-D?2010SichuanUniversityAllrightsreserved.|Confidential13Exercise5.Allagileprocessmodelsconformtoagreaterorlesserdegreetotheprinciplesstatedinthe"ManifestoforAgileSoftwareDevelopment".Answer:TrueFalse6.WhatarethefourframeworkactivitiesfoundintheExtremeProgramming(XP)processmodel?a.analysis,design,coding,testingb.planning,analysis,design,codingc.planning,analysis,coding,testingd.planning,design,coding,testingAnswer:7.WhatarethethreeframeworkactivitiesfortheAdaptiveSoftwareDevelopment(ASD)processmodel?Answer:analysis,design,codingfeasibilitystudy,functionalmodeliteration,implementationrequirementsgathering,adaptivecycleplanning,iterativedevelopmentspeculation,collaboration,learning8.WhichisnotoneofthekeyquestionsthatisansweredbyeachteammemberateachdailyScrummeeting?Answer:Whatdidyoudosincethelastmeeting?Whatobstaclesareyouencountering?Whatisthecauseoftheproblemsyouareencountering?Whatdoyouplantoaccomplishatthenextteammeeting?5-A6-D7-D8-C?2010SichuanUniversityAllrightsreserved.|Confidential14PartTwo:SoftwareEngineeringPractice

Howdoessystemengineeringleadtoeffectivesoftwareengineering?Whatis

requirementsengineering,andwhataretheunderlyingconceptsthatleadtogoodrequirementsanalysis?Howistheanalysismodelcreated,andwhatareitselements?Whatisdesignengineering,andwhataretheunderlyingconceptsthatleadtogooddesign?Whatconcepts,models,andmethodsareusedtocreatearchitectural,interface,andcomponent-leveldesigns?Whatstrategiesareapplicabletosoftwaretesting?Whatmethodsareusedtodesigneffectivetestcases?Whatmeasuresandmetricscanbeusedtoassessthequalityofanalysisanddesignmodels,sourcecode,andtestcases??2010SichuanUniversityAllrightsreserved.|Confidential15ContentChapter５:SystemEngineering

Computer-BasedSystemsTheSystemEngineeringHierarchyBusinessProcessEngineering:AnOverviewProductEngineering:AnOverviewSystemModelingHatley-PirbhaiModelingSystemModelingwithUML?2010SichuanUniversityAllrightsreserved.|Confidential16ExerciseWhichofthefollowingcanbeelementsofcomputer-basedsystems?Answer:

documentationsoftwarehardwarepeopleallofaboveToconstructasystemmodeltheengineershouldconsiderwhichofthefollowingrestrainingfactors?Answer:assumptionsbudgetconstraintsschedulebothaandcDuringbusinessprocessengineering,threedifferentarchitecturesareexamined.Answer:applications,data,technologyinfrastructurecommunications,organization,financialinfrastructurenetwork,database,reportingstructuresystems,requirements,datastructureThegoalofproductengineeringistotranslatethecustomer'sdesireforasetofdefinedcapabilitiesintoaworkingproduct.Answer:TrueFalse1-E2-E3-A4-A?2010SichuanUniversityAllrightsreserved.|Confidential17Exercise5.UMLnotationsthatcanbeusedtomodelthehardwareandsoftwareelementsofasystemareActivitydiagramsClassdiagramsDeploymentdiagramsUse-casediagramsa,b,andcAnswer:e

6.Thesystemmodeltemplatecontainswhichofthefollowingelementsa.inputb.outputc.userinterfaced.allofaboveAnswer:d7.ThetoplevelofthehierarchicalmodelofasystemisknownastheAFDDFDSCDSFDAnswer:c5-E6-D7-C?2010SichuanUniversityAllrightsreserved.|Confidential18Exercise8.Selectanylargesystemorproductwithwhichyouarefamiliar.Definethesetofdomainsthatdescribetheworldviewofthesystemorproduct.Describethesetofelementsthatmakeuponeortwodomains.Foroneelement,identifythetechnicalcomponentsthatmustbeengineered.BPE(BusinessProcessEngineering)worldview:bankdomains:loans,savings,foreignexchangeelementsofsavings:Windowservice,Onlineservice,ATMservicetechnicalcomponentsofOnlineservice:customeridentify(security),communication,databaseProductEngineeringworldview:smartphonedomains:chipset,softwareelementsofsoftware:OS,applicationplatformtechnicalcomponentsofapplicationplatform:communication,security,utility(telephonebook,calendar)

?2010SichuanUniversityAllrightsreserved.|Confidential19Chapter6

Requirements

Engineering

RequirementsEngineeringTasks

Inception

Elicitation

Elaboration

Negotiation

Specification

Validation

RequirementsManagementContent?2010SichuanUniversityAllrightsreserved.|Confidential20ExerciseInrequirementsvalidationtherequirementsmodelisreviewedtoensureitstechnicalfeasibility.

TrueFalseAnswer:bInwin-winnegotiation,thecustomer'sneedsaremeteventhoughthedeveloper'sneedmaynotbe.TrueFalseAnswer:bWhichofthefollowingisnotoneofthecontext-freequestionsthatwouldbeusedduringprojectinception?Whatwillbetheeconomicbenefitfromagoodsolution?Whoisagainstthisproject?Whowillpayforthework?Whowillusethesolution?Answer:bTheuseoftraceabilitytableshelpstodebugprogramsfollowingthedetectionofrun-timeerrorsdeterminetheperformanceofalgorithmimplementationsidentify,control,andtrackrequirementschangesnoneoftheaboveAnswer:c?2010SichuanUniversityAllrightsreserved.|Confidential21Exercise5.ThesystemspecificationdescribestheFunction,performanceandconstraintsofacomputer-basedsystemimplementationofeachallocatedsystemelementsoftwarearchitecturetimerequiredforsystemsimulationAnswer:a6.Use-caseactorsarealwayspeople,neversystemdevices.a.True

b.FalseAnswer:b7.WhichofthefollowingisnotoneoftherequirementclassificationsusedinQualityFunctionDeployment(QFD)?excitingexpectedmandatorynormalAnswer:c?2010SichuanUniversityAllrightsreserved.|Confidential22Exercise8.Developacompleteuse-caseforoneofthefollowingactivities.MakingawithdrawalatanATM

Usingyourchargecardforamealatarestaurant

Searchingforbooks(onaspecifictopic)usinganon-linebookstoreWithdrawalmanagementAbnormalprocessbankcardATMSolutionaUse-case:

withdrawalatanATMPrimaryactor:customer,bankcard,ATMPrecondition:ATMisreadyTrigger:customerdecidestomakeawithdrawalScenario:CustomerinsertbankcardintoATMCustomerinputpasswordCustomerpressthewithdrawalCustomerinputthenumberofmoneyCustomergetsthemoneyCustomertakesoutthebankcardException:Thebankcardisnotrecognized–seeabnormalprocessPasswordisincorrectornotrecognized–seeabnormalprocessMoneydoesnotgetout–seeabnormalprocessThebankcardcannotbetookout–seeabnormalprocess?2010SichuanUniversityAllrightsreserved.|Confidential23Exercise8.Developacompleteuse-caseforoneofthefollowingactivities.MakingawithdrawalatanATM

Usingyourchargecardforamealatarestaurant

Searchingforbooks(onaspecifictopic)usinganon-linebookstoreReadingchargecardAbnormalprocesschargecardCardreaderCashierCustomerSolutionb:Use-case:

usingchargecardatarestaurantPrimaryactor:customer,cashier,chargecard,cardreaderPrecondition:cardreaderisreadyTrigger:customerdecidestopaybychargecardScenario:CashierinsertchargecardintocardreaderCustomerinputpasswordCashierinputthenumberofmoneyCardreaderprintsthereceiptCashiertakesoutthechargecardCustomersignsthereceiptException:Thechargecardisnotrecognized–seeabnormalprocessPasswordisincorrectornotrecognized–seeabnormalprocessreceiptdoesnotgetout–seeabnormalprocessThechargecardcannotbetookout–seeabnormalprocess?2010SichuanUniversityAllrightsreserved.|Confidential24Exercise8.Developacompleteuse-caseforoneofthefollowingactivities.MakingawithdrawalatanATM

Usingyourchargecardforamealatarestaurant

Searchingforbooks(onaspecifictopic)usinganon-linebookstoreonlinesearchAbnormalprocessSolutionc:Use-case:

searchingforbooksPrimaryactor:customerPrecondition:customerregistrationstartsTrigger:customerdecidestosearchforbooksScenario:CustomerinputIDandpasswordCustomerinputspecifictopicBooklistisdisplayedCustomerchecksthebooksException:Passwordisincorrectornotrecognized–seeabnormalprocessInternetdisconnect–seeabnormalprocess?2010SichuanUniversityAllrightsreserved.|Confidential25Chapter7

Requirement

Analysis

Anoverviewofrequirementsanalysis

AnalysisModelingApproaches

DataModelingFlow-OrientedModeling

Object-OrientedAnalysis

Scenario-BasedModeling

Class-BasedModeling

CreatingabehavioralmodelSpecificationguidelinesContent?2010SichuanUniversityAllrightsreserved.|Confidential26ExerciseWhichoftheseisnotanelementofanobject-orientedanalysismodel?

Answer:c

BehavioralelementsClass-basedelementsDataelementsScenario-basedelementsWhichofthefollowingisnotanobjectiveforbuildingananalysismodel?Answer:cdefinesetofsoftwarerequirementsthatcanbevalidateddescribecustomerrequirementsdevelopanabbreviatedsolutionfortheproblemestablishbasisforsoftwaredesignThedataflowdiagramAnswer:edepictsrelationshipsbetweendataobjectsdepictsfunctionsthattransformthedataflowindicateshowdataaretransformedbythesystemindicatessystemreactionstoexternaleventsbothbandcWhichofthefollowingitemsdoesnotappearonaCRCcard?Answer:cclasscollaboratorsclassnameclassreliabilityclassresponsibilities?2010SichuanUniversityAllrightsreserved.|Confidential27Exercise5.Forpurposesofbehaviormodelingastateisany

consumerorproducerofdata.dataobjecthierarchy.observablemodeofbehavior.welldefinedprocess.Answer:c6.Attributescannotbedefinedforaclassuntildesignhasbeencompleted.

a.True

b.FalseAnswer:b7.Operationsareobjectproceduresthatareinvokedwhenanobjectreceivesamessage.

True

FalseAnswer:a8.UMLactivitydiagramsareusefulinrepresentingwhichanalysismodelelements?a.Behavioralelementsb.Class-basedelementsc.Flow-basedelementsd.Scenario-basedelementsAnswer:d?2010SichuanUniversityAllrightsreserved.|Confidential28Exercise9.Whichofthefollowingshouldbeconsideredascandidateobjectsinaproblemspace?a.eventsb.peoplec.structured.alloftheaboveAnswer:d10.Inafewsentences,trytodescribetheprimarydifferencesbetweenstructuredanalysisandobject-orientedanalysis.Answer:Structuredanalysisbeginswithaconsiderationofthedataobjectsthatthesystemmustmanipulate.Instructuredanalysisthedataobjectsaredescribedwithadatadictionaryandtheentityrelationdiagram(ERD)depictsrelationshipsbetweendataobjects.Theflowandtransformationofdatathroughasystemarerepresentedusingthedataflowdiagram(DFD).Thestructuredanalysisalsoincorporatesabehavioralmodelingnotationcalledthestatetransitiondiagram(STD).Intheobjectorientedanalysismodel,class-basedelementsmodeltheobjectsthatthesystemwillmanipulate,theoperationsthatwillbeappliedtotheobjectstoeffectthemanipulation,relationships(somehierarchical)betweentheobjects,andthecollaborationsthatoccurbetweentheclassesthataredefined.InadditiontheOOmodelrepresentsthebehaviorofobjectsandthebehaviorofthesystemasawhole.

?2010SichuanUniversityAllrightsreserved.|Confidential29Chapter8

Design

Engineering

Designwithinthecontextofsoftwareengineering

DesignProcessandDesignQuality

DesignConceptsDesignModel

DataDesignElementsArchitecturalDesignElementsInterfaceDesignElementsComponent-levelDesignElementsDeployment-levelDesignElements

Pattern-basedSoftwareDesignContent?2010SichuanUniversityAllrightsreserved.|Confidential30ExerciseWhichofthefollowingareareasofconcerninthedesignmodel?

Answer:e

architecturedatainterfaceprojectscopea,bandcWhichofthesearecharacteristicsofagooddesign?Answer:eexhibitsstrongcouplingbetweenitsmodulesimplementsallrequirementsintheanalysismodelincludestestcasesforallcomponentsprovidesacompletepictureofthesoftwarebothbanddInformationhidingmakesprogrammaintenanceeasierbyhidingdataandprocedurefromunaffectedpartsoftheprogram.Answer:aTrueFalseCohesionisaqualitativeindicationofthedegreetowhichamoduleAnswer:bcanbewrittenmorecompactly.focusesonjustonething.isabletocompleteitsfunctioninatimelymanner.isconnectedtoothermodulesandtheoutsideworld.?2010SichuanUniversityAllrightsreserved.|Confidential31Exercise5.Couplingisaqualitativeindicationofthedegreetowhichamodule

Answer:d

canbewrittenmorecompactly.focusesonjustonething.isabletocompleteitsfunctioninatimelymanner.isconnectedtoothermodulesandtheoutsideworld.6.PolymorphismreducestheeffortrequiredtoextendanobjectsystembyAnswer:bcouplingobjectstogethermoretightly.enablinganumberofdifferentoperationstosharethesamenamemakingobjectsmoredependentononeanother.removingthebarriersimposedbyencapsulation.7.Whichdesignmodelelementsareusedtodepictamodelofinformationrepresentedfromtheuser'sview?Answer:cArchitecturaldesignelementsComponent-leveldesignelementsDatadesignelementsInterfacedesignelements8.Whichdesignisanalogoustothefloorplanofahouse?Answer:aa.Architecturaldesignelementsb.Component-leveldesignelementsc.Datadesignelementsd.Interfacedesignelements?2010SichuanUniversityAllrightsreserved.|Confidential32Exercise9.Whichdesignmodelisanalogoustothedetaileddrawingsoftheaccesspointsandexternalutilitiesforahouse?ArchitecturaldesignelementsComponent-leveldesignelementsDatadesignelementsInterfacedesignelementsAnswer:d10.Whichdesignmodelisanalogoustoasetofdetaileddrawingsforeachroominahouse?a.Architecturaldesignelementsb.Component-leveldesignelementsc.Datadesignelementsd.InterfacedesignelementsAnswer:b11.Thedeploymentdesignelementsspecifythebuildorderforthesoftwarecomponents.a.Trueb.FalseAnswer:b12.Oneofthekeyproblemsinsoftwarereuseistheinabilitytofindexistingreusabledesignpatternswhenhundredsofcandidatesexist.a.Trueb.FalseAnswer:a?2010SichuanUniversityAllrightsreserved.|Confidential33Chapter9

Creating

AnArchitecturalDesign

SoftwareArchitecture

DataDesign

ArchitecturalStylesandPatternsArchitecturalDesign

AssessingAlternativeArchitecturalDesignMappingDataFlowintoaSoftwareArchitectureContent?2010SichuanUniversityAllrightsreserved.|Confidential34ExerciseAnarchitecturalstyleencompasseswhichofthefollowingelements?

Answer:e

constraintssetofcomponentssemanticmodelssyntacticmodelsa,bandcDuringtheprocessofmodelingthesystemincontext,systemsthatinteractwiththetargetsystemarenotrepresentedasAnswer:dPeer-levelsystemsSubordinatesystemsSuper-ordinatesystemsWorkingsystemsWhentheoverallflowinasegmentofadataflowdiagramislargelysequentialandfollowsstraight-linepaths,_________ispresent.Answer:dlowcouplingGoodmodularitytransactionflowtransformflowWhenyouencounterbothtransformflowandtransactionflowinthesameDFDtheflowispartitionedandtheappropriatemappingtechniqueisusedoneachpartoftheDFD.Answer:aTrueFalse?2010SichuanUniversityAllrightsreserved.|Confidential35Exercise5.Whenasingleitemthattriggersotherdataflowalongoneofmanypathsofadataflowdiagram,________characterizestheinformationflow.

Answer:c

highcouplingpoormodularitytransactionflowtransformflow6.IntransactionmappingthefirstlevelfactoringresultsintheAnswer:bcreationofCFD.derivationofcontrolhierarchydistributionofworkmodulesrefinementofthemoduleview7.AsuccessfulapplicationoftransformortransactionmappingtocreateanarchitecturaldesignissupplementedbyAnswer:eentityrelationshipdiagrammoduleinterfacedescriptionsprocessingnarrativesforeachmoduletestcaseforeachmoduleBothbandc8.Thebestrepresentationofsystemarchitectureisanoperationalsoftwareprototype.Answer:ba.Trueb.False?2010SichuanUniversityAllrightsreserved.|Confidential36Chapter10

Component-LevelDesign

Whatiscomponent?

Designclass-basedcomponent

Conductingcomponent-leveldesignObjectconstraintlanguage

DesignconventionalcomponentsContent?2010SichuanUniversityAllrightsreserved.|Confidential37ExerciseInthecontextofobject-orientedsoftwareengineeringacomponentcontains

attributesandoperationsinstancesofeachclassrolesforeachactor(deviceoruser)asetofcollaboratingclassesAnswer:dIntraditionalsoftwareengineering,modulesmustserveinwhichofthefollowingroles?

ControlcomponentInfrastructurecomponentProblemdomaincomponentAlloftheaboveAnswer:dWhichofthefollowingisnotoneofthefourprinciplesusedtoguidecomponent-leveldesign?DependencyInversionPrincipleParsimoniousComplexityPrincipleInterfaceSegregationPrincipleOpen-Clos