UNIT I B Compiler Construction Quiz

Which of the following is a tool used in compiler construction?

• Text editor

• Parser generator

• Debugger

• Operating system

Which tool is specifically designed for creating lexical analyzers?

• YACC

• LEX

• LLVM

• GCC

What does a parser generator tool (e.g., YACC) produce?

• Lexical tokens

• Parse tree

• Machine code

• Syntax analyzer code

Which tool converts intermediate code to optimized machine code?

• LEX

• Code optimizer

• Assembler

• Parser generator

What is the primary purpose of the LLVM tool in compiler construction?

• Lexical analysis

• Parsing

• Code generation and optimization

• Token recognition

What is the main role of the lexical analysis phase?

• Detect runtime errors

• Generate intermediate code

• Convert source code into tokens

• Perform syntax validation

Which of the following is NOT a task of lexical analysis?

• Removing whitespace and comments

• Detecting syntax errors

• Identifying tokens

• Generating intermediate code

What does lexical analysis produce as its output?

• Abstract syntax tree

• Symbol table

• Stream of tokens

• Machine code

Which data structure is commonly used by the lexical analyzer to store identifiers and keywords?

• Linked list

• Queue

• Symbol table

• Hash table

Lexical analysis is also known as:

• Token analysis

• Scanner phase

• Syntax checking phase

• Semantic analysis