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  5. Theory of Computation

Theory of Computation

280+ posts
Difference between DFA and NFA
Last Updated: 04 October 2024
In automata theory four types of finite automata are used to recognize the regular language among these two are DFA and NFA. Both have the s...read more
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Difference Between Mealy Machine and Moore Machine
Last Updated: 27 September 2024
In theory of computation and automata, there are two machines: Mealy Machine and Moore Machine which is used to show the model and behavior ...read more
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Converting Context Free Grammar to Chomsky Normal Form
Last Updated: 16 April 2025
Chomsky Normal Form (CNF) is a way to simplify context-free grammars (CFGs) so that all production rules follow specific patterns. In CNF, e ...read more
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Introduction to Theory of Computation
Last Updated: 28 January 2025
Automata theory, also known as the Theory of Computation, is a field within computer science and mathematics that focuses on studying abstr...read more
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Mealy and Moore Machines in TOC
Last Updated: 03 October 2024
Moore and Mealy Machines are Transducers that help in producing outputs based on the input of the current state or previous state. In this a...read more
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Turing Machine in TOC
Last Updated: 05 February 2025
Turing Machines (TM) play a crucial role in the Theory of Computation (TOC). They are abstract computational devices used to explore the lim...read more
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Minimization of DFA
Last Updated: 13 March 2024
DFA minimization stands for converting a given DFA to its equivalent DFA with minimum number of states. DFA minimization is also called as ...read more
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Conversion from NFA to DFA
Last Updated: 20 January 2023
An NFA can have zero, one or more than one move from a given state on a given input symbol. An NFA can also have NULL moves (moves without i...read more
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Theory of Computation
Introduction of Pushdown Automata
Last Updated: 16 October 2024
We have already discussed finite automata. But finite automata can be used to accept only regular languages. Pushdown Automata is a finite ...read more
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Theory of Computation
Regular Expressions, Regular Grammar and Regular Languages
Last Updated: 28 January 2025
To work with formal languages and string patterns, it is essential to understand regular expressions, regular grammar, and regular languages ...read more
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Pumping Lemma in Theory of Computation
Last Updated: 21 October 2022
There are two Pumping Lemmas, which are defined for 1. Regular Languages, and 2. Context - Free Languages Pumping Lemma for Regular Language...read more
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Theory of Computation
Chomsky Hierarchy in Theory of Computation
Last Updated: 18 October 2024
According to Chomsky hierarchy, grammar is divided into 4 types as follows:Type 0 is known as unrestricted grammar.Type 1 is known as contex...read more
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Theory of Computation
Introduction of Finite Automata
Last Updated: 12 September 2024
Finite automata are abstract machines used to recognize patterns in input sequences, forming the basis for understanding regular languages i...read more
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Theory of Computation
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