If all the production rules have single non – terminal symbol on the left side, the grammar defined is:

(A) context free grammar
(B) context sensitive grammar
(C) unrestricted grammar
(D) phrase grammar


Answer: (A)

Explanation: If all the production rules have single non – terminal symbol on the left side, the grammar defined is context free grammar.
for more information on type of grammar Refer:Theory of Computation | Chomsky Hierarchy
Option (A) is correct.


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