4. Use case diagrams and use cases

Question 1

What is a use case?

Answer 1

A task or process that the user needs to perform, using the system in order to do their work

Question 2

Purpose of a use case diagram

Answer 2

Shows a set of use cases for a system documenting actors and their relationships with the use cases (also shows scope)

Question 3

When naming a use case, what should it contain?

Answer 3

A verb as well as a noun

e.g. add new customer

Question 4

What is a use case scenario?

Answer 4

Use case is the generic case

The scenario represents specific path through the use case