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Which one of the following is a functional requirement? 

Which one of the following is a functional requirement?  Correct Answer None of the mentioned 

The correct answer is option 4, that is, none of the mentioned.

Key Points

  • The functional requirement describes the functionalities required from the system such as business rules, transaction corrections, adjustments and cancellations, Administrative functions, Authentication, Authorization levels.
  • Non-functional requirements deal with the characteristics of the system which cannot be expressed as functions - such as the maintainability of the system, portability of the system, usability of the system, Robustness, etc.

 

Therefore Option 4 is correct answer.

Additional Information

Non-functional requirements may include:

  • Reliability issues
  • Accuracy of results
  • Human-computer interface issues
  • Constraints on the system implementation, etc.

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