what is usecase? tell me the attribute of usecase?

Answer Posted / abhro

What is a Use Case Diagram
• Describes the behavior of a system from a user’s standpoint
• Functional description of a system and its major processes
• Provides a graphic description of who will use a system
and what kinds of interactions to expect
within that system
• Processes that occur within the application area are
called use cases
• Entities outside the area that are going to use the
application are called actors
When to use a Use Case Diagram
When describing requirements for a system in the analysis,
design, implementation and documentation
stages.
When Constructing Use Cases Think About…
• What tasks the actor must perform
• What resources the actor requires in terms of data
read/written
• Keeping the use cases simple

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