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when power feature non-determinism is added to finite automata then it is known as NDFA when an input is read the automata each step may chose to go to any of the several possible(legal) "next states " . Since the choice is not determined by anything , therefore , it is valled non deterministic.

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What is full form of DFA and NFA?

DFA - deterministic finite automata NFA - non-deterministic finite automata


What is the difference between deterministic finite automata and non deterministic finite automata?

A deterministic Finite Automata)DFA will have a single possible output for a given input.The answer is deterministic because you can always feel what the output will be.A (Nondeterministic Finite Automata)NFA will have at least one input which will cause a "choice" to be made during a state transition,unlike a (deterministic Finite Automata)DFA one input can cause multiple outputs for a given (Nondeterministic Finite Automata)NFA.


What is dfa and nfa?

DFA - Deterministic Finite Automata NFA - Non-Deterministic Finite Automata Both DFAs and NFAs are abstract machines which can be used to describe languages.


Difference between DFA and NFA?

Hi, 1. DFA cannot use empty string transition and NFS can use empty string transition. 2. It use one machine but it use multiple machine. 3. DFA is one state transition but NFA react according to some symbol.


What is the difference between NFA and DFA with examples for each?

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What is finite automata you-moves?

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.


Difference between deterministic finite automata and non deterministic finite automata?

A deterministic finite automaton will have a single possible output for a given input. The answer is deterministic because you can always tell what the output will be. A nondeterministic finite automaton will have at least one input which will cause a "choice" to be made during a state transition. Unlike a DFA, one input can cause multiple outputs for a given NFA.


What is the difference between DFA and NFA?

DFA stands for Deterministic Finite Automaton NFA stands for Non-Deterministic Finite AutomatonWhen processing a string in a DFA, there is always a unique state to go next when each character is read. It is because for each state in DFA, there is exactly one state that corresponds to eachcharacter being read.In an NFA, several choices (or no choice) may exist for the next state•Can move to more than 1 states, or nowhere•Can move to a state without reading anything1. The transition function for nfa ie delta is multi valued where as for dfa it is single valued.2. Checking membership is easy with dfa where as it is difficult for nfa3. Construction of nfa is very easy where as for dfa it is difficult4. Space required for dfa is more where for nfa it is less5. Backtracking is allowed in dfa,but it is not possible in every casi in nfa.6. For every input and output we can constuct dfa machine,but it is not possible to construct an nfa machine for every input and output.7. There is only 1 final state in nfa but there can be more then 1 final state in dfa.A finite automata, in which after consuming an input symbol, automata makes it's transition to only one state, is called as the deterministic finite automata or DFA. p(current state)----->input symbol------> state q(next state)A finite automata, in which after consuming an input symbol, automata can make it's transition more one state, is called as the nondeterministic finite automata or NFA.p(current state)----->input symbol------> state q(first guessing)--->state r( next guessing)i.e. a nfa can guess the next states and if any guess proves to be right later than it get stuck and continue with other guesses.


Define the languages accepted by NFA and DFA?

In general, finite state machines can model regular grammars. Deterministic finite automata can represent deterministic context-free grammars. Non-deterministic finite automata can represent context-free grammars.


Difference between finite automata and turing automata or turing machine?

A push down automaton can actually store information in a stack as it processes it. It can then choose what to do next by looking at the top of the stack. DFAs and NFAs can't do that stuff, but any DFA or NFA can also be represented as a push down automaton.


What is need for nondeterministic finite automata?

Nondeterministic finite automata (NFA) are essential in computational theory because they provide a more flexible and intuitive way to represent and process regular languages. Unlike deterministic finite automata (DFA), NFAs can have multiple transitions for the same input symbol and can include epsilon transitions, allowing them to explore multiple paths simultaneously. This parallelism can simplify the design of automata for certain patterns and make it easier to construct automata from regular expressions. Additionally, while NFAs can be converted to equivalent DFAs, they often lead to simpler and more compact representations in their original form.


Can DFA simulate NFA?

Yes, a Deterministic Finite Automaton (DFA) can simulate a Non-deterministic Finite Automaton (NFA). This can be achieved by constructing an equivalent DFA for a given NFA using the subset construction method. In this method, each state of the DFA represents a set of states of the NFA, and transitions are defined based on the transitions of the NFA. By following this approach, a DFA can effectively simulate the behavior of an NFA.