Review of Use Case Diagram

A UML diagram that shows the interaction between users and system, is known as

• A. Activity diagram

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  B. Use case diagram

• C. Flowchart

• D. Class diagram

What is an actor in a use case diagram?

• A. A representation of a system component

• B. Any entity interacting with the system

• C. A class representing a specific behavior

• D. represents actions or functions that the system needs to perform

How are actors represented in a use case diagram?

• A. As stick figures

• B. As rectangles with rounded corners

• C. As oval

• D. As arrows or lines

What are use cases in a use case diagram?

• A. A representation of a system component

• B. An external entity interacting with the system

• C. System functionalities or processes

• D. Relationships between actors

How are use cases represented in a use case diagram?

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