analysis emphasizes the drawing of pictorial system models to document and validate bo

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)for designing and constructing an improved system.(73)is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called(74).(75)is another such technique that integrates data and process concerns into constructs called objects.

A．Prototyping

B．Accelerated

C．Model-driven

D．Iterative