[Solved]: this automata is NFA or DFA?

Problem Detail: 

That's my question, since it has two symbols but go to a single state, is DFA or NFA?

Asked By : Teo

Answered By : Yuval Filmus

First of all, every deterministic finite automaton is a fortiori a non-deterministic finite automaton. An finite automaton is deterministic if there are no $\epsilon$ moves, and for each state $s$ and alphabet symbol $\alpha$ there is a unique outgoing edge at $s$ labeled $\alpha$. If a finite automaton satisfies this condition, then it you can think of it both as a DFA and as an NFA. If it doesn't satisfy this condition, it is an NFA.

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Question Source : http://cs.stackexchange.com/questions/42074