Question

BNF is a meta-language for ______________.

• A. Specifying the syntax of a language
• B. Specifying a context free language
• C. Shell programming
• D. Both (1) and (2)

Answer 1

The correct option is D Both (1) and (2)

BNF is a meta-language for

Specifying the syntax of a language.

Specifying a context free language.

Backus normal form:-

Backus normal form (BNF) is a notation technique for context-free grammars, used to describe the syntax of languages used in computing, such as computer programming languages, document formats, instruction sets and communication protocols.

Metalanguage is widely used in language design, analyzers, compilers and theorem provers. It is also used in financial systems, bioinformatics and in other similar applications.