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a. Read the following problem carefully, then do the required task. Smart Burger restaurant wants to install a system to record orders for burger and

a. Read the following problem carefully, then do the required task.

Smart Burger restaurant wants to install a system to record orders for burger and chicken wings. When regular customers call Smart Burger restaurant 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 automatically 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.

Draw a context-level data flow diagram for Smart Burger restaurant. [1 Mark for each item, and 1 Mark for each relation and direction].

b. Explode the above context-level diagram by drawing the logical data flow diagram 0 showing all the major processes using the following items

Process Names:

(1) Find and display customer record, (2) Take customer order, (3) Send order to cook, (4) Print customer receipt, (5) Deliver customer order, (6) Print weekly totals.

Data Stores:

(1) Customer master, (2) Product file, (3) Coupons, (4) Sale history.

Entities:

(1) Customer, (2) Management, (3) Cook.

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