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IT323 Project

IT323 Project. Phase#2.  - Data Design. ER diagram Data dictionary tables. Database schema.  - Interface Design. User Interface Design overview Navigation Hierarchy User function (or use case) Interfaces. Modular Decomposition/Structure Chart .

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IT323 Project

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  1. IT323 Project Phase#2

  2.  - Data Design • ER diagram • Data dictionary tables. • Database schema

  3.  - Interface Design • User Interface Design overview • Navigation Hierarchy • User function (or use case) Interfaces

  4. Modular Decomposition/Structure Chart Sub-systems are decomposed into modules. • There are two modular decomposition models: • An object model where the system is decomposed into interacting object. • A pipeline or data-flow model where the system is decomposed into functional modules which transform inputs to outputs.

  5. Example..

  6. Example ..

  7. (Chat Room System )Example ..

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