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A language is regular if and only if?

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in Compiler by (36.6k points)
A language is regular if and only if?

(a) Accepted by DFA

(b) Accepted by PDA

(c) Accepted by LBA

(d) Accepted by Turing machine

I had been asked this question in an online interview.

Origin of the question is Regular Grammar in chapter Contextfree Grammar and Syntax Analysis of Compiler

1 Answer

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The correct answer is (a) Accepted by DFA

To explain: All of above machine can accept regular language but all string accepted by machine is regular only for DFA.

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