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Types and Advantages of Theory of Computation

by Alex Hales

A subfield of mathematics and computer science is called the theory of Computation. It mainly focuses on the rationality of computing, how various problems are addressed using algorithms, and the effectiveness of the answers.

It is a scientific discipline that looks into computer aspects that are made up, whether natural or artificial. Its main goal is to familiarise itself with the world of creative Computation.

For its many applications, including the development of cognitive psychology, intelligent technology, and philosophy, as well as many computing models like a compiler, algorithm, VLSI design, etc., understanding the theory of Computation is essential.

Types of Theory of Computation

As per the computing theory assignment help professionals, this branch is divided into four parts –

  1. Automata Theory
  2. Formal Language
  3. Computability theory
  4. Complexity theory.

Let us briefly discuss all of them in the article.

1. Automata Theory

Studying complex computational issues and machines is the focus of the conceptual fields of mathematics and computer science known as automata theory. The term “Automaton” is linked to “Automation.”

Automata are devices that take in a text as input and operate it through a limited number of stages to arrive at the final state. Creating tools for describing and understanding the dynamic characteristics of discrete systems was the primary goal of automata theory.

2. Formal Language Theory

A field of mathematics and computer science is called formal language theory. It is concerned with the representation of languages as a set of operations performed on an alphabet. They are connected because distinct fundamental languages are generated and recognized by automata.

Noam Chomsky launched it for the first time in the 1950s. The syntactic of languages and their intrinsic patterns are studied in formal language studies. The understanding of natural idiomatic syntactic regularities has improved with the development of linguistics in the study of formal language.

The morphology of scripting languages and formalized variants of subcategories of languages, where the terms of the language reflect concepts with precise interpretations or meanings, are defined by formal languages in computer science.

3. Computability Theory

Computability theory is sometimes also refer to as recursion theory. It is a subfield of computer science and mathematics that focuses on how much of a problem a computer can handle. The study of Turing degrees and commutative functions gave rise to it in the early 1900s.

Among the most critical results in computational complexity theory is that a Turing computer cannot resolve the pausing issue because it is a practical example of an issue that is easy to formulate but cannot determine by a Turing machine. The bulk of computational complexity theory is build on the halt problem result.

4. Computational Complexity Theory

The complexity of Computation The area of Computational Theory known as theory groups computing issues according to how many resources they require. Various algorithms are use to resolve these difficulties.

A problem is complicate by definition if it requires significant resources to resolve, irrespective of the approach taken. This understanding is codified by the theory, which uses mathematical computer models to assess these problems and gauge their computational burden, or the quantity of time and storage required to complete them.

There are significant aspects of Computational Complexities: 

Time Complexity: The length of time or quantity of steps required to complete a computation.

To evaluate how much time and distance a specific approach requires, software engineers, define the time or opportunity needed to solve the issue as a proportion of the complexity of the source problem.

Advantages of Theory of Computation

The Theory of Computation has a lot of benefits. Following is a list:

The efficiency with which any method might handle any computer issue is the subject of the theory of Computation. The Computation theory also introduces abstract machines, which are theoretically specified. As a result, the algorithms wouldn’t need to update each time a piece of actual hardware is improve.

The area of NLP that entails the creation of FSMs (Finite State Machines), commonly referred to as FSA, has seen a significant amount of work made feasible.

Many domains, including cryptography, algorithmic analysis, design quantum computation, logic in computer engineering, computational difficulty, unpredictability in calculations, and fixing errors in coding, have benefited from the theory of Computation.

An effective response to what would otherwise be unclear hand-wavy arguments comes from a computational model’s ability to handle complexity in a manner that verbal argumentation cannot. Additionally, these models can take intricacy at different levels of data analysis, enabling the fusion and connection of data.


Simple research and training courses like Theory of Computation and Automata aim to comprehensively comprehend computational issues and analysis. It helps us understand the development of formal mathematical computation models that accurately represent the computer’s operating environment. Also, it assists us in knowing different hardware, algorithms, and software. Therefore, it falls on the list of the most essential and core disciplines for students or aspirants.


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