4.2. Key Components

Try these first

1. 1.

   What is the primary purpose of a Use Case Diagram?

   Hint

   Focus on interactions and functionalities.

2. 2.

   Define an actor in terms of UML.

   Hint

   Think about users or other systems.

3. 3.

   What does a Use Case Diagram primarily illustrate?

   • User interfaces
   • System functionalities
   • Database schemas

   Hint

   Consider the interactions between users and the system.

4. 4.

   True or False: Activity Diagrams only show sequential flows.

   • True
   • False

   Hint

   Think about how tasks can happen at the same time.

5. 5.

   Design a comprehensive Use Case Diagram for a food delivery application, including at least five actors and functionalities.

   Hint

   Think about who interacts and what functions are necessary.

6. 6.

   Create an Activity Diagram for a university enrollment process that includes decision points and parallel activities.

   Hint

   Visualize where decisions create different paths.