What is the role of the lexical analyzer in a compiler?
A) The lexical analyzer groups tokens in a program's source code into syntactically correct statements.
B) The lexical analyzer separates the source code into tokens (e.g., keywords, identifiers, operators and punctuation).
C) The lexical analyzer converts syntactic structures into instructions.
D) The lexical analyzer attempts to optimize the efficiency of the code.

Question

Quizplus · Accepted Answer

The lexical analyzer, also known as a scanner, is responsible for breaking down the source code into tokens, which are the basic building blocks like keywords, identifiers, operators, and punctuation.

What Is the Role of the Lexical Analyzer in a Compiler