[Solved] Why is it important to keep actors outside the system boundary in a use case diagram? — Ans: Because actors represent external entities interacting with the system | Software Engineering

Software Engineering - Requirements Engineering

Why is it important to keep actors outside the system boundary in a use case diagram?

ABecause actors are part of the system's internal design

BBecause actors represent external entities interacting with the system

CBecause actors are database tables

DBecause actors represent system modules

Step-by-Step Solution

Solution:

Step 1: Define actor role
Actors are external users or systems that interact with the system but are not part of it.
Step 2: Understand system boundary meaning
The system boundary separates internal system components from external actors.
Final Answer:
Because actors represent external entities interacting with the system -> Option B
Quick Check:
Actors = External entities outside boundary [OK]

Quick Trick: Actors are always external to the system [OK]

Common Mistakes:

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