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Deterministic computation

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In Computer Science a Deterministic Computation is a computation that given an initial state of the system will always produce the same final state when given the same input.

An example of deterministic computation is a deterministic finite state machine (sometimes referred to as 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.