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FORMAL LANGUAGE & AUTOMATA THEORYA recursively enumerable language L is recursive if: (i) L' is recursively enumerable (ii) every sequence of moves of T halts (iii) Both (i) and (ii) (iv) None of the above20222mFormal Language & Automata TheoryA language L may not be accepted by a turing machine if (i) it is recursively enumerable (ii) it is recursive (iii) L can be enumerated by some turing machine (iv) None of the above20202mFormal Language & Automata TheoryRecursively Enumerable languages are also called (i) Turing Recognizable (ii) Turing Decidable (iii) Regular (iv) Context-Free20252mFORMAL LANGUAGE & AUTOMATA THEORYA language L is Turing decidable if: (i) recursive (ii) TM recognizes L (iii) TM accepts L (iv) None of the above20222m
PreviousMinimize the DFA shown in the following transition diagram: NextBegin with the grammar: S \to ASB / \epsilon A \to aAS / a B \to SbS / A / bb (i) Eliminate \epsilon-productions. (ii) Eliminate unit productions in the resulting grammar. (iii) Eliminate any useless symbol in the resulting grammar. (iv) Put the resulting grammar into CNF.
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