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There exist algorithms to decide if a finite automata

  1.     accepts the empty set.
  2.     accepts a finite number of strings.
  3.     accepts an infinite number of strings.
  4.     all of the above.

1 Answer

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DFA accept all language with finite strings.

Pumping Lemma used to decide/test whether the the given infinite language will be accept by DFA or Not.

Answer : D

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