Dataflow Diagram: DFD level-0: -Payment and Delivery Details- Admin -Order List- -Order Details- 0.0 Seller Selling Permit- Food Ordering System Revenue Customer Info Student Food and Price Info- -Payment and Delivery Details DFD level-1: Customer Info List of Food Products- 1.1 Manage Customer Informantion List of Customers- -Product Details- Product Details. 1.2 -Order Details- Manage Orders/ Reservations Order List Customer Order/Reservation Confirm Admin 1.3 Scheduled Delivery. Schedule Deliveries Delivery list- 1.4 Payment Details- Manage Transaction/ Payments Payment Details.
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It shows how data is input, processed, and output in a system. DFDs are commonly used in software development and business analysis to understand and document the flow of information. Level 0 DFD: The Level 0 DFD provides an overview of the entire system and Show more…
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