In automata theory, a formal language is a set of strings of symbols drawn from a finite alphabet. A formal language can be specified either by a set of rules (such as regular expressions or a context-free grammar) that generates the language, or by a formal machine that accepts (recognizes) the language.

What is formal language in computer science?

In logic, mathematics, computer science, and linguistics, a formal language consists of words whose letters are taken from an alphabet and are well-formed according to a specific set of rules. The alphabet of a formal language consists of symbols, letters, or tokens that concatenate into strings of the language.

What is the meaning of formal language?

Formal language is less personal than informal language. It is used when writing for professional or academic purposes like university assignments. Formal language does not use colloquialisms, contractions or first person pronouns such as 'I' or 'We'. … The tone of informal language is more personal than formal language.

What do you mean by automata?

1 : a mechanism that is relatively self-operating especially : robot. 2 : a machine or control mechanism designed to follow automatically a predetermined sequence of operations or respond to encoded instructions. 3 : an individual who acts in a mechanical fashion He is an unfeeling automaton.

Is automata the basic of all languages?

Languages can also be defined by any kind of automaton, like a Turing Machine. In general, any automata or machine M operating on an alphabet A can produce a perfectly valid language L. The system could be represented by a bounded Turing Machine tape, for example, with each cell representing a word.

What are languages in automata?

In automata theory, a formal language is a set of strings of symbols drawn from a finite alphabet. A formal language can be specified either by a set of rules (such as regular expressions or a context-free grammar) that generates the language, or by a formal machine that accepts (recognizes) the language.

What are informal languages?

Informal language is more casual and spontaneous. It is used when communicating with friends or family either in writing or in conversation. It is used when writing personal emails, text messages and in some business correspondence. The tone of informal language is more personal than formal language.

What is difference between formal and informal language?

Formal language is less personal than informal language. … Formal language does not use colloquialisms, contractions or first-person pronouns such as “I” or “We.” Informal language is more casual and spontaneous. It is used when communicating with friends or family either in writing or in conversation.