GATE | GATE-CS-2004 | Question 8
Which of the following grammar rules violate the requirements of an operator grammar ? P, Q, R are nonterminals, and r, s, t are terminals.
1. P → Q R 2. P → Q s R 3. P → ε 4. P → Q t R r
(A) 1 only
(B) 1 and 3 only
(C) 2 and 3 only
(D) 3 and 4 only
Answer: (B)
Explanation: See Question 4 of https://www.geeksforgeeks.org/compilers-set-1/
Quiz of this Question
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