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Use Case Diagram ENG. Riham Mqat. Use Case Diagram. Use cases describes the externally observable behavior of system functions in the form of interactions between the system to be developed and the external entities -- Actors .

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Use case diagram eng riham mqat
Use Case DiagramENG. Riham Mqat


Use case diagram
Use Case Diagram

  • Use cases describes the externally observable behavior of system functions in the form of interactions between the system to be developed and the external entities -- Actors.

  • Actors may represent roles played by users of the system or other systems.

  • Consist of a name and scenarios


Use case diagram1
Use Case Diagram

Consist of:

  • Use cases

  • Actors

  • Relationships among actors and use cases



Relations
Relations

  • Include

  • Extend


When do i use the uses arrow
When do I use the uses arrow ?



Homework
Homework

Draw usecase for

your system

Using Edraw Max program


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