()analysisemphasizesthedrawingofpictorialsystemmodelstodocumentandvalidatebothexistingand/orproposedsystems.Ultimately,thesystemmodelsbecomethe()fordesigningandconstructinganimprovedsystem.(请作答此空)issuchatechnique.Theemphasisinthistechniqueisprocess-centered.Systemsanalystsdrawaseriesofprocessmodelscalled()、()isanothersuchtechniquethatintegratesdataandprocessconcernsintoconstructscalledobjects.
A.Structured analysis B.Information Engineering C.Discovery Prototyping D.Object-Oriented analysis正确答案A
