Duringthesystemsplanningphase.asystemsanalystconductsa()activitytostudythesystemsrequestandrecommendspecificaction.Afterobtaininganauthonzationtoproceed.theanalystinteractswith()togatherfactsabouttheproblemofopportunity,projectscopeandconstraints,projectbenefits,andestimateddevelopmenttimeandcosts.Inmanycases.thesystemsrequestdoesnotrevealtheunderyingproblem,butonlyasymptom.Apopulartechniqueforinvestigatingcausesandeffectsiscalled()Theanalysthasanalyzedtheproblemoropportunity.definedtheprojectscopeandconstraints,andperformed(请作答此空)toevaluateprojectusability,costs,benefits,andtimeconstraints.Theendproductoftheactivityis().Themaincontentmustincludeanestimateoftime.staffingrequrements,costs,benefits,andexpectedresultsforthenextphaseoftheSDLC
A.feasibility analysis B.requirement analysis C.system proposal D.fact-finding正确答案A
