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What is a 'lexeme'?

Practice Questions

Q1
What is a 'lexeme'?
  1. The smallest unit of a program
  2. A sequence of characters that matches a token
  3. A type of syntax error
  4. A part of the symbol table

Questions & Step-by-Step Solutions

What is a 'lexeme'?
  • Step 1: Understand that a lexeme is a part of programming code.
  • Step 2: Know that it is made up of a sequence of characters, like letters and numbers.
  • Step 3: Realize that a lexeme represents a specific meaning or function in the code.
  • Step 4: Learn that the lexical analyzer is a tool that identifies these lexemes in the source code.
  • Step 5: Remember that each lexeme matches a predefined category called a token.
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