Deterministic automaton is a concept of automata theory in which the outcome of a transition from one state to another given a certain input can be predicted for every occurrence.
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.
The standard way to build a deterministic finite automaton from a nondeterministic finite automaton is the powerset construction.
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