Topic 4

Question 1

Purposes of Models

Answer 1

• Models can be used to describe different parts of a problem and/or
  solution.
• Analyst uses different types of models to show different levels of system details.
• View the same problem from different perspectives for new issues.
• Models are used to support communication among stakeholders of a project.

Question 2

What is Use Case Diagram?

Answer 2

primary form of system or software requirements for a new
software program underdeveloped.

Question 3

What is Use Case Diagram for?

Answer 3

Provide an overview of the functional requirements for a system and summarize the relationship between use cases, actors, and systems.