47.The traditional model for systems development was that an IT department used（ ）which is a process-centered technique,and consulted users only when their input or approval was needed．Compared with traditional methods,many companies find that JAD allows key users to participate effectively in the（ ）.When properly used,JAD can result in a more accurate statement of system requirements，a better understanding of common goals,and a stronger commitment to the success of the new system．RAD is a team-based technique that speeds up information systems development and produces a functioning information system．While the end product of JAD is a（an）（ ）,the end product of RAD is the（ ）.The RAD model consists of four phases．During the（ ）,users interact with systems analysts and develop models and prototypes that represent all system processes,outputs,and inputs．
问题1选项
A.structured analysis
B.object-oriented analysis
C.prototype analysis
D.process analysis
问题2选项
A.initial scope definition
B.requirements modeling process
C.object modeling process
D.architecture design process
问题3选项
A.data flow diagram
B.entity relationship model
C.requirements model
D.object model
问题4选项
A.system proposal
B.system design model
C.new system architecture
D.new information system
问题5选项
A.requirements planning phase
B.user design phase
C.construction phase
D.cutover phase
