The Assignment:
Draw the DFDs (Context and level 0) for a Food Ordering System in a restaurant. The Food Ordering System works as follows:
Customer places their orders.
Orders are forwarded to the kitchen for delivery.
Restaurant Manger got informed about the order detail, a report is sent to the manager.
A receipt is given to the customer.
Assume 3 to 4 inner processes in the Food Ordering System for updating the inventory and order related information.
To hold the data use data stores also.
Purposes:
Ensure that you can analyze existing manual system and can draw Data Flow Diagrams of any proposed system.
Before Starting:
- Detail study of existing system.
- Rules for drawing DFDS.
- Differentiate between different levels of DFDS.
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