Computer Science · Compiler Design
In a lexical analyzer, which situation forces backtracking if no lookahead character is used?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Removal of multi-line comments
- 2Skipping blank spaces and tabs
- 3Tokens have a strictly fixed length
- 4Keywords and identifiers share common prefixes✓
Correct answer
Keywords and identifiers share common prefixes
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