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What is Use Case and Data Flow Diagrams Explained about?
The document discusses use case diagrams and their components. A use case diagram visually shows interactions between users (actors) and the system. It includes actors, use cases, the system, and packages. Actors represent roles of external users. Use cases depict functions or actions within the system. The system boundary defines the scope. Packages group related use cases. The document also provides examples of use case diagrams for book publishing, ATM, and online shopping systems.
- Author
- Afzaal Akhtar
- Language
- EN