Ans. Advantage of use case diagram
·
Use case help to capture the
functional requirements of a system.
·
Use cases are traceable.
·
Use cases can serve as the basis for
the estimating, scheduling, and validating effort.
·
Use case can evolve at each iteration
from a method of capturing requirements, to development guidelines to programmers,
to a test case and finally into user documentation.
·
Use case alternative paths capture
additional behavior that can improve system robustness.
·
Use cases have proved to be easily
understandable by business users, and so have proven an excellent bridge between
software developers and end users.
use case for online examination system
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