Which of the following is NOT a typical output of a lexical analyzer?

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Question: Which of the following is NOT a typical output of a lexical analyzer?

Options:

Correct Answer: Abstract syntax tree

Solution:

An abstract syntax tree is typically produced by the parser, not the lexical analyzer.

Which of the following is NOT a typical output of a lexical analyzer?

Which of the following is NOT a typical output of a lexical analyzer?

Step 1: Understand what a lexical analyzer does. It reads source code and breaks it down into tokens.
Step 2: Identify what typical outputs a lexical analyzer produces. These include tokens, token types, and possibly line numbers.
Step 3: Recognize that an abstract syntax tree (AST) is a structure that represents the hierarchical syntax of the code.
Step 4: Know that the AST is created by the parser, which comes after the lexical analyzer in the compilation process.
Step 5: Conclude that since the AST is produced by the parser, it is NOT a typical output of the lexical analyzer.

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