Which of the following is a common error detected by a lexical analyzer?

Which of the following is a common error detected by a lexical analyzer?

Step 1: Understand what a lexical analyzer is. It is a tool that reads the source code and breaks it down into tokens.
Step 2: Know what tokens are. Tokens are the basic building blocks of the code, like keywords, operators, and identifiers.
Step 3: Recognize that a lexical analyzer checks the characters in the code to see if they match any defined tokens.
Step 4: Identify what an unrecognized character is. It is a character that does not belong to any of the defined tokens.
Step 5: Conclude that a common error detected by a lexical analyzer is when it finds these unrecognized characters.

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