Assignment

a.Are there flaws in the data flow diagram? If so, what are they? List the corrections.
b.Draw an expanded data flow diagram of bubble 2.
c.Using the information from the safe deposit case and the data flow diagram, draw a data flow diagram to dose a customer's account.

4 An international airline initiated a frequent traveler program designed to encourage passengers to fly regularly and earn awards based on miles flown. The airline policy is specified as follows:

Passengers who fly more than 100,000 miles per calendar year and, in addition, pay cash for tickets or have been flying the airline regularly for more than five years are to receive a free round -trip ticket around the world. Passengers who fly less than 100,000 miles per calendar year and have been flying the airline regularly for more than five years also get a free round -trip ticket around the world.