Thepurposeofthesystemsanalysisphaseistobuildalogicalmodelofthenewsystem.Thefirststepis(71),whereyouinvestigatebusinessprocessesanddocumentwhatthenewsystemmustdotosatisfyusers.Thisstepcontinuestheinvestigationthatbeganduringthe(72).Youusethefact-findingresultstobuildbusinessmodels,dataandprocessmodels,andobjectmodels.Thedeliverableforthesystemsanalysisphaseisthe(73),whichdescribesmanagementanduserrequirements,costsandbenefits,andoutlinesalternativedevelopmentstrategies.Thepurposeofthesystemsdesignphaseistocreateaphysicalmodelthatwillsatisfyalldocumentedrequirementsforthesystem.Duringthesystemsdesignphase,youneedtodeterminethe(74),whichprogrammerswillusetotransformthelogicaldesignintoprogrammodulesandcode.Thedeliverableforthisphaseisthe(75),whichispresentedtomanagementandusersforreviewandapproval.
A.system logical modeling
B.use case modeling
C.requirements modeling
D.application modeling
正确答案是A