Difference between revisions of "Finite State Machines"
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== Definition == | == Definition == | ||
| − | A finite state machine is a way of breaking down a problem into several mutually independent '''states''' that are only able to change when a '''transition''' occurs. | + | A finite state machine is a way of breaking down a problem into several mutually independent '''states''' that are only able to change when a '''transition''' occurs. A transition occurs when an input is given. The machine can only be in one state at a time. |
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| + | A finite state machine is not a physical machine. It is an abstract representation of an algorithm, showing how something changes in response to inputs or events. | ||
Revision as of 14:58, 3 January 2017
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Definition
A finite state machine is a way of breaking down a problem into several mutually independent states that are only able to change when a transition occurs. A transition occurs when an input is given. The machine can only be in one state at a time.
A finite state machine is not a physical machine. It is an abstract representation of an algorithm, showing how something changes in response to inputs or events.
Finite State Automaton
A finite state automaton is a finite state machine which has no output. It has a start state and a set of end/accept states. If the automaton can reach an end state then the input is accepted.
Mealy Machines
A finite state machine with an output is called a Mealy Machine. It will output a value based on the input.
