Given below are two statements: one is labeled as Assertion A and the other is labeled as Reason R.

Assertion A: Validity checks the real need of system users

Reason R: Completeness checks system user- defined requirements. In light of the above statements, choose the correct answer from the options given below.

1. ABoth A and R are true and R is the correct explanation of A
2. BBoth A and R are true but R is NOT the correct explanation of A
3. CA is true but R is false
4. DA is false but R is true

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. Both A and R are true but R is NOT the correct explanation of A

Explanation

In Sommerville's requirements validation, a validity check asks whether the system meets users' real needs, and a completeness check asks whether all the functions users require are included. Both statements are true, but completeness does not explain validity.