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How can a piece of hardware be an actor when designing a use case diagram?
I got confused because I’ve read on Wikipedia this:
A use case should not include detail regarding user interfaces and screens. This is done in user-interface design, which references the use case and its business rules.
If you give me an example about hardware being an actor, I’d be grateful.
I’d suggest the important part here is the definition of an actor.
In the system of traffic intersection, there are many ‘hardware’ actors, including Car and Traffic Light. The system under consideration is the rules around what do to (yield, merge, stop) and when.