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Which statement best defines a use case in the context of system design?

easy🧠 Conceptual Q2 of 15
LLD - Design — Library Management System
Which statement best defines a use case in the context of system design?
AA summary of the project budget and timeline
BA list of hardware specifications required for the system
CA detailed description of how users interact with the system to achieve a goal
DA diagram showing the system's internal database schema
Step-by-Step Solution
Solution:

  1. Step 1: Understand use case definition

    A use case describes user interactions with the system to accomplish tasks.

  2. Step 2: Eliminate unrelated options

    Hardware specs, budgets, and database schemas are not use cases.

  3. Final Answer:

    A detailed description of how users interact with the system to achieve a goal -> Option C

  4. Quick Check:

    Use cases focus on user-system interactions [OK]
Quick Trick: Use cases describe user goals and interactions [OK]
Common Mistakes:
MISTAKES
  • Confusing use cases with technical specifications
  • Mixing budget or timeline details with use cases
  • Thinking use cases are database diagrams

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