Case Study: Restaurant Order System

XYZ Restaurant wants to develop a computerized order system to streamline their order$-$

taking process and improve customer service. The system should allow customers to place

orders, kitchen staff to receive and prepare orders, and servers to deliver orders to

customers.

Data Flow Diagram $($DFD$)$ Components:

I. External Entities:

Customer: Places food orders through the system.

Kitchen Staff: Receives order details and prepares food.

Server: Delivers prepared orders to customers.

II$.$ Processes:

Take Order: Accepts food orders from customers.

Process Order: Verifies and sends orders to the kitchen.

Prepare Food: Kitchen staff prepares food items.

Serve Order: Servers deliver prepared orders to customers.

III. Data Stores:

Order Database: Stores information about customer orders.

Menu Database: Contains information about available food items and prices.

a$.$ Develop the context diagram for Restaurant Order System.

b$.$ Develop the Level$-0$ DFD diagram for Restaurant Order System.