Food ordering system with DFD

 Food ordering system

Overview 

 The Food Ordering System is designed to streamline the process of ordering,processing, anddelivering food from restaurants to customers. This system integrates various components, including order management, restaurant coordination, and delivery logistics, to provide a seamless and efficient service.

 Purpose

 The purpose of this documentation is to provide a comprehensive understanding of the Food Ordering System through Data Flow Diagrams (DFDs). DFDs are visual representations that illustrate how data moves through the system, highlighting the interactions between different entities, processes, and data stores. Scope This documentation includes:

Introduction

Level 0 DFD: A high-level overview of the Food ordering System, illustrating the major processes and data flows between external entities and the core system


Level 1 and 2 DFDs : Detailed diagrams that break down the main processes into sub-processes, providing a deeper understanding of the system’s operations.

A Level 2 Data Flow Diagram (DFD) for a food ordering system provides a detailed view of the processes within the main process identified in the Level 0 DFD. It breaks down each major process into sub-processes, showing how data flows between them, the data stores, and external entities.

The Level 2 DFD provides a deeper understanding of the internal workings of the "Order Management" process from the Level 0 DFD. It highlights how data flows between detailed sub-processes, the role of external entities, and the overall interaction within the system. This level of detail helps in understanding the specifics of each process and how they contribute to the overall functionality of the food ordering system.







Level 1 and 2 DFDs : Detailed diagrams that break down the main processes into sub-processes, providing a deeper understanding of the system’s operations.






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