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Question 52Asked in Bihar STET Paper 2 Computer Science (Class 11-12), 12 Sep 2023, Shift 2

Which type of maintenance involves adding new features to existing software?

  1. ACorrective Maintenance
  2. BPerfective Maintenance
  3. CAdaptive Maintenance
  4. DPreventive Maintenance
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Correct answer: (B) Perfective Maintenance

Explanation

Perfective maintenance adds new features or improves performance in response to user needs; corrective fixes bugs and adaptive suits a new environment.

From Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 2

This is question 52 of Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 2. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.