Deterministic automaton
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In computer science, a deterministic automaton is a concept of automata theory where the outcome of a transition from one state to another is determined by the input.[1]: 41
A common deterministic automaton is a deterministic finite automaton (DFA) which is a finite state machine, where for each pair of state and input symbol there is one and only one transition to a next state. DFAs recognize the set of regular languages and no other languages.[1]: 52
A standard way to build a deterministic finite automaton from a nondeterministic finite automaton is the powerset construction.[1]: 44
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