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 ..