Question 191Asked in CIL MT Systems, 27 Feb 2020 (8:00 AM)

The class of Context-free grammar is not closed under _______ operations.

  1. AConcatenation
  2. BIntersection
  3. CStar
  4. DUnion
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Correct answer: (B) Intersection

From CIL MT Systems PYQ, 27 Feb 2020 (8:00 AM)

This is question 191 of CIL MT Systems PYQ, 27 Feb 2020 (8:00 AM). 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.