Question

In context free grammar, terminal symbols refers to _____________.

• A. Tokens
• B. Keywords for a programming language
• C. Productions rule
• D. Start symbol

Answer 1

The correct option is B Keywords for a programming language

In context free grammar, terminal symbols refer to keywords for a programming language.

Terminal symbols are literal symbols which may appear in the outputs of the production rules of a formal grammar and which cannot be changed using the rules of the grammar.

A context-free grammar (CFG) is a set of recursive rewriting rules used to generate patterns of strings. A CFG consists of the following components: a set of terminal symbols, which are the characters of the alphabet that appear in the strings generated by the grammar.