Assignment 2

 ASSIGNMENT  ASSIGNMENT BRIEF BRIEF PROFORMA  PROFORMA  SYSTEM ANALYSIS & DESIGN  ASSIGNMENT  ASSIGNMENT 2 System Modeling SCENARIO System analyst uses many graphical techniques to describe an information system. One popular method method is to draw a set of data flow diagrams. The deliverable deliverable or end product of data and process modeling is a logical model that will support business operations and meet user needs. In SAD the vehicle vehicle for analysing analysing the logical logical structure of an organisati organisation’s on’s information is the ogical Data !odel "D!#. A ogical Data !odel is a way of graphically  repres represent enting ing what that that inform informati ation on is really really all about$ about$ how it relates to other information and business concepts$ and how business rules are applied to its use in the system. The D! is possibly the most important and ultimately the most rigorous product of an entire SAD pro%ect.

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