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Language of finite automata is

  • A.Type 0
  • B.Type 1
  • C.Type 2
  • D.Type 3

Answer: D

The language of finite automata is Type 3.

In the Chomsky hierarchy, Type 3 grammars generate the regular languages, which are exactly the languages accepted by finite automata.

Type 2 (context-free) languages need pushdown automata, Type 1 (context-sensitive) languages need linear bounded automata, and Type 0 (recursively enumerable) languages need Turing machines.

The correspondence runs: Type 3 with finite automata, Type 2 with pushdown automata, Type 1 with linear bounded automata and Type 0 with Turing machines.

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