Question

Question 5. (See Page 206 and 207 of your text for exact details) Perfect Pizza wants to install a system to record orders for pizza and chicken wings. When regular customers call Perfect Pizza on the phone. they are asked their phone number. When the number is typed into a computer, the name, address and last order date is atomically brought up on the screen. Once the order is taken, the total, including tax and delivery is calculated. Then the order is given to the cook. A receipt is printed. Occasionally, special offers (coupons) are printed so the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and a coupon (if any). Weekly totals are kept for comparison with last year's performance. Write a summary of business activities for taking an order at Perfect Pizza.

Question 1. Draw a context- level data flow diagram for Perfect Pizza (Problem 5)

Question 2: Explode the context-level diagram in problem 1 showing all the major processes. call this Diagram Diagram 0. It should be a logical Data flow Diagram.

Question 3. Draw a physical Data flow diagram for problem 2

Question 4. Create a physical data flow child diagram -  

Answer 1