Question: 1 . Create a use case diagram and describe three use case description for proposed online Airline Reservation System ( ARS ) . 2 .

1. Create a use case diagram and describe three use case description for proposed online Airline
Reservation System (ARS).
2. Prepare a DFD 1 for the Virgin Australias ARS.
3. Draw an ERD diagram for this system.
4. Draw a state machine diagram for the ARS.

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