1. Computer E-ssentials Group : Will Howell Tausif Rajkotwala Komal Chandarana

2. Business Requirements  Provide online customer access to assemble and purchase components  Track customer information  Generate Sales and Inventory Reports  Provide billing process  Provide product search capability  Track inventory count and reorder value

3. Context Level  Entities Customers Employee  Data Flow to and from external entities

4. Context Diagram

5. Level 0  Entities Customers Employee  Processes Customer Information Customer Order Manage Inventory Reporting

6. Level 0 (Cont…)  Data Stores Inventory Customer Data Inventory

7. Level 0 DFD

8. Level 1 – Customer Information  Entities Customers  Processes Login Create Account  Data Stores Customer Data

9. Level 1 – Customer Info DFD

10. Level 1 – Reports  Entities Employee  Processes Inventory Reports Select Report Sales Reports  Data Stores Inventory Orders

11. Level 1 – Reports DFD

12. Level 1 – Customer Order  Entities Customers  Processes Order Confirmation Shipping Information Payment Information Submit Order  Data Stores Inventory Orders

13. Level 1 – Customer Order DFD

14. Level 2 – Order Confirmation  Entities Customers  Processes Search Product Order Recap  Data Stores Inventory Orders

15. Level 2 – Order Confirmation DFD

17. Thank You