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Undecidable languages are languages for which there is no algorithm that can determine whether a given input string is in the language or not. Examples of undecidable languages include the Halting Problem and the Post Correspondence Problem.

Decidable languages, on the other hand, are languages for which there exists an algorithm that can determine whether a given input string is in the language or not. Examples of decidable languages include regular languages and context-free languages.

The key difference between undecidable and decidable languages is that decidable languages have algorithms that can always provide a definite answer, while undecidable languages do not have such algorithms.

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What are some examples of context-free languages and how are they different from other types of languages?

Context-free languages are a type of formal language in theoretical computer science. Examples include programming languages like C, Java, and Python. These languages are different from regular languages and context-sensitive languages because they can be described by context-free grammars, which have rules that do not depend on the context in which a symbol appears. This allows for simpler parsing and analysis of the language's syntax.


What are the examples of assembly languages?

Fortran & Pascal


What are some examples of non-Turing recognizable languages and how do they differ from Turing recognizable languages?

Non-Turing recognizable languages are languages that cannot be recognized by a Turing machine. Examples include the language of palindromes over a binary alphabet and the language of balanced parentheses. These languages differ from Turing recognizable languages in that there is no algorithmic procedure that can determine whether a given input belongs to the language.


What are some examples of Turing recognizable languages and how do they differ from other types of languages?

Turing recognizable languages are those that can be accepted by a Turing machine, a theoretical model of computation. Examples include regular languages, context-free languages, and recursively enumerable languages. These languages differ from others in terms of their computational complexity and the types of machines that can recognize them. Regular languages are the simplest and can be recognized by finite automata, while context-free languages require pushdown automata. Recursively enumerable languages are the most complex and can be recognized by Turing machines.


What are some examples of regular languages and how are they defined in the context of formal language theory?

Regular languages are a type of language in formal language theory that can be defined using regular expressions or finite automata. Examples of regular languages include languages that can be described by patterns such as strings of characters that follow a specific rule, like a sequence of letters or numbers. Regular languages are considered the simplest type of language in formal language theory and are often used in computer science for tasks like pattern matching and text processing.

Related Questions

What are examples of pidgin languages?

Some examples of pidgin languages include Tok Pisin in Papua New Guinea, Bislama in Vanuatu, and Hawaiian Pidgin in Hawaii. These languages typically arise as a simplified form of communication between speakers of different native languages.


Which two words came to English from two different languages?

Sushi (from Japanese) and pizza (from Italian) are two examples of words that have been borrowed from different languages into English.


What is the name of the Earth in different languages?

Some examples of the name "Earth" in different languages include: Spanish: Tierra French: Terre German: Erde Italian: Terra


What are some examples of context-free languages and how are they different from other types of languages?

Context-free languages are a type of formal language in theoretical computer science. Examples include programming languages like C, Java, and Python. These languages are different from regular languages and context-sensitive languages because they can be described by context-free grammars, which have rules that do not depend on the context in which a symbol appears. This allows for simpler parsing and analysis of the language's syntax.


C plus plus and java are examples of what languages?

They are not examples of languages. They arelanguages.


Types of assembly?

There are several different assembly languages. Some examples are MIPS, 86x, and RISK.


What are types of procedure languages?

Programming languages such as COBOL and FORTRAN are examples of procedure languages.


Give some examples for barriers of communication?

Differing languages, different dialects, different social-economic groups, opposing points of view.differentin sex


What are some of the different types of software programming languages?

High level languages Mid Level Languages Low level languages High level languages: cobol, fortran etc Mid level languages: C, C++ Low level languages: assembly language


What is difference between men women and 3rd gender people?

Depends which language you are talking about. Different languages have slighty different interperations, particulalry with nouns. Examples of languages which use male, female and gender include: Arabic and German


How do you spell george in different languages?

There is a version of the name George in dozens of languages. Some examples are: Jorge in Spanish, Yuri in Russian, Jurgen in German, Gino in Italian, and Georges in French.


What are some examples of phonetic languages?

Some examples of phonetic languages include Spanish, Italian, Finnish, and Korean. These languages are written in a way that closely matches the sounds of the spoken words.