Consider an ATM system. Identify at least three different actors that interact with this system.
What will be an ideal response?
An actor is any entity (user or system) that interacts with the system of interest. For an ATM, this includes:
• Bank Customer
•ATM Maintainer
• Central Bank Computer
• Thief
The last actor is often referred to as a “misactor” in the literature, because it is an actor that interacts with the system but shouldn’t.
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