（71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the （72）fordesigning and constructing an improved system. （73）is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of processmodels called（74）. （75)is another such technique that integrates data and processconcerns into constructs called objects.
（71）
A. Prototyping
B. Accelerated
C. Model-driven
D. Iterative
（72）
A.image
B. picture
C. layout
D. blueprint
（73）
A. Structured analysis
B. Information Engineering
C. Discovery Prototyping
D. Object-Oriented analysis
（74）
A.PERT
B. DFD
C. ERD
D. UML
（75）
A. Structured analysis
B. Information Engineering
C. Discovery Prototyping
D. Object-Oriented analysis
