A Perfect Pizza wants to install a system to record orders, When regular customers call Perfect Pizza on the phone, their phone number goes automatically into the Pizza system. The phone number invokes the name, address, and last order date comes automatically 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, a special offer (coupons) is printed so the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and coupon (if any). Weekly totals are kept for comparison. with last year’s performance Question : Draw the DFD diagram level and mention all the different rules used to make DFD levels and relationships
A Perfect Pizza wants to install a system to record orders, When regular customers call Perfect Pizza on the phone, their phone number goes automatically into the Pizza system. The phone number invokes the name, address, and last order date comes automatically 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, a special offer (coupons) is printed so the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and coupon (if any). Weekly totals are kept for comparison. with last year’s performance
Question : Draw the DFD diagram level and mention all the different rules used to make DFD levels and relationships
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
