（1） analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems．Ultimately, the system models become the（2） for designing and constructing an improved system. （3） is such a technique. The emphasis in this technique is process-centered．Systems analysts draw a series of process models called （4） . （5） is another such technique that integrates data and process concerns into constructs called objects.
（1）A、Prototyping
B、Accelerated
C、Model-driven
D、Iterative
（2）A、image
B、picture
C、layout
D、blueprint
（3）A、Structured analysis
B、Information Engineering
C、Discovery Prototyping
D、Object-Oriented analysis
（4）A、PERT
B、DFD
C、ERD
D、UML
（5）A、Structured analysis
B、Information Engineering
C、Discovery Prototyping
D、Object-Oriented analysis