Number of DFA's (Made easy test series)

Question

The number of DFA's with four states which can be constructed of the alphabet $\Sigma = \{ a,b \}$ with a designated initial state are $2^n$, then the value of n is _____.

 

IN DFA IT IS COMPULSORY TO HAVE 1 FINAL STATE.

 

4c0 should not be taken,correct me?

Comments

no,it is applicable for few models as mentioned in questions

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@twin_123 ,

please $\underline{\color{red}{add}\text{ test-series name in }\color{red}{title}}$

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No,Not at all ,dfa doesn’t neccesarily need to have final state a dfa without final state accept a phi(null language) .

Answer 1

set of final states can be null .

Answer 2

No,Not at all ,dfa doesn’t neccesarily need to have final state a dfa without final state accept a phi(null language) .