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What is the primary function of a lexical analyzer?

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Question: What is the primary function of a lexical analyzer?

Options:

  1. To generate intermediate code
  2. To parse the source code
  3. To tokenize the input stream
  4. To optimize the code

Correct Answer: To tokenize the input stream

Solution: 

The lexical analyzer\'s primary function is to tokenize the input stream, breaking it down into meaningful symbols for further processing.

What is the primary function of a lexical analyzer?

Practice Questions

Q1
What is the primary function of a lexical analyzer?
  1. To generate intermediate code
  2. To parse the source code
  3. To tokenize the input stream
  4. To optimize the code

Questions & Step-by-Step Solutions

What is the primary function of a lexical analyzer?
  • Step 1: Understand that a lexical analyzer is a part of a computer program, often used in compilers.
  • Step 2: Know that the input stream is the text or code that the program needs to analyze.
  • Step 3: Learn that tokenization means breaking down the input into smaller pieces called tokens.
  • Step 4: Recognize that tokens are meaningful symbols, like keywords, operators, or identifiers in programming.
  • Step 5: Realize that the lexical analyzer takes the input stream and converts it into these tokens for easier processing by the next stage of the program.
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