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Question

What is an actor in the context of a use case diagram?

a.

A component in the system

b.

A scenario in the system

c.

An entity that initiates or participates in a scenario

d.

An ellipse in the diagram

Posted under Software Engineering

Answer: (c).An entity that initiates or participates in a scenario Explanation:In a use case diagram, an actor that initiates or participates in a scenario is shown as a stick figure with the name of the actor below.

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