Duringthesystemsanalysisphase,greateruserinvolvementusuallyresultsinbettercommunication,fasterdevelopmenttimes,andmoresatisfiedusers.Therearethreecommonteam-basedapproachesthatencouragesystemuserstoparticipateactivelyinvariousdevelopmenttasks.1)()isapopularfact-findingtechniquethatbringsusersintothedevelopmentprocessasactiveparticipants.Theendproductoftheapproachisarequirementsmodel.2)()isateam-basedtechniquethatspeedsupinformationsystemsdevelopmentandproducesafunctioninginformationsystem.Theapproachconsistsofseveralphases.The()combineselementsofthesystemsplanningandsystemsanalysisphasesoftbeSDL C.Users,managers,andITstaffmembersdiscussandagreeonbusinessneeds,projectscope,constraints,andsystemrequirements.During(请作答此空),usersinteractwithsystemsanalystsanddevelopmodelsandprototypesthatrepresentallsystemprocesses,outputs,andinputs.3)()attempttodevelopasystemincrementallybybuildingaseriesofprototypesandconstantlyadjustingthemtouserrequirements. A.physicalarchitecuredesign 物理架构设计 B.objectdesign 对象设计
A.prototypes design
B.原型设计
C.user design phase
D.用户设计阶段
正确答案是C