Finite State Machine is a model to describe how the internal state of the machine varies due to the corresponding actions. The number of states of the machine are limited as the name suggests.
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I would guess that is because it has a finite number of different states. (It is also known as a finite-state machine.)
NFA - Non-deterministic Finite Automaton, aka NFSM (Non-deterministic Finite State Machine)
http://www.tcpipguide.com/free/t_DHCPGeneralOperationandClientFiniteStateMachine.htm
To qoute wikipedia: "The Algorithmic State Machine (ASM) method is a method for designing finite state machines" Moore and Mealy are implementations of state machines.
The state machine described in the previous section is a deterministic finite automaton, in which each state is unique. What would make a finite automaton nondeterministic is if each state was not. For the example, if the state machine allowed the input to have any letter as the second letter for the word "person" to transition to the next, then the next state would not be unique, making it a nondeterministic finite automaton.
A finite state machine (FSM) changes from one state to another state when conditions are satisfied or in response to external stimuli. An example of a simple FSM is a vending machine, which requires certain conditions to be satisfied (a person must add money, then press a button) before it operates. The major limitation of an FSM is that it cannot be produced for an infinate sequence, nor can it multiply to arbitrary large binary numbers.
The meaning of a queue machine is a finite state machine with the ability to store and retrieve data from an infinite-memory queue. It is a model of computation equivalent to a turing machine, and therefore it can process any formal language.
George H. Mealy presented the concept of a finite-state machine that became known as the Mealy machine in a 1955 paper, "A Method for Synthesizing Sequential Circuits." This machine differs from a Moore machine in that rather than the outputs being defined by the current state, the outputs are defined by both the current state and the current inputs.
FSM is defined as a finite-state machine in the computer networking field. A finite-state machine is a mathematical model utilized for designing computer programs as well as sequential logic circuits. The model consists of states; it is in one state, current state, at a time and transitions to other states based on events and conditions. The model can be used to describe real world systems.
Finite automata with ε-moves, also known as epsilon transitions, are a type of finite state machine that allows transitions between states without consuming any input symbols. This means that the automaton can move from one state to another spontaneously, enabling it to represent a broader range of languages than standard finite automata. Epsilon transitions can simplify the design of automata, particularly when converting from nondeterministic finite automata (NFA) to deterministic finite automata (DFA) or when constructing automata for regular expressions.
Checkstate 0 1s0 S1 S2S1 S1 S2S2 S2 S1 final