Compiler Design

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Compiler Design MCQ & Objective Questions

Compiler Design is a crucial subject for students aiming to excel in their exams. Understanding the principles of compiler construction not only enhances your programming skills but also prepares you for various competitive exams. Practicing MCQs and objective questions related to Compiler Design can significantly improve your exam performance by reinforcing key concepts and identifying important questions.

What You Will Practise Here

  • Fundamentals of Compiler Design and its phases
  • Lexical Analysis and Finite Automata
  • Syntax Analysis and Parsing Techniques
  • Semantic Analysis and Intermediate Code Generation
  • Optimization Techniques in Compilers
  • Code Generation and Target Machine Architecture
  • Common Compiler Design Algorithms and their applications

Exam Relevance

Compiler Design is a significant topic in various educational boards, including CBSE and State Boards, as well as competitive exams like JEE and NEET. Questions often focus on the different phases of a compiler, parsing techniques, and optimization methods. Familiarity with common question patterns, such as multiple-choice questions and theoretical explanations, will help you tackle these exams with confidence.

Common Mistakes Students Make

  • Confusing lexical analysis with syntax analysis
  • Misunderstanding the role of parse trees and abstract syntax trees
  • Overlooking the importance of optimization in code generation
  • Failing to grasp the significance of context-free grammars

FAQs

Question: What are the main phases of a compiler?
Answer: The main phases of a compiler include lexical analysis, syntax analysis, semantic analysis, optimization, and code generation.

Question: How can I improve my understanding of Compiler Design concepts?
Answer: Regularly practicing Compiler Design MCQ questions and reviewing important Compiler Design objective questions with answers can greatly enhance your understanding.

Start solving practice MCQs today to strengthen your grasp on Compiler Design and boost your exam readiness. Remember, consistent practice is key to mastering this subject!

Q. Which of the following statements about intermediate code is true?
  • A. It is always in a high-level programming language
  • B. It is specific to the target architecture
  • C. It can be optimized before final code generation
  • D. It is not used in modern compilers
Q. Which of the following statements is true about LL and LR parsers?
  • A. LL parsers are more powerful than LR parsers.
  • B. LR parsers can handle all LL grammars.
  • C. LL parsers can handle all LR grammars.
  • D. Both LL and LR parsers are equivalent in power.
Q. Which of the following tools is commonly used to implement a lexical analyzer?
  • A. Yacc
  • B. Lex
  • C. Bison
  • D. ANTLR
Q. Which optimization technique can help reduce the number of memory accesses?
  • A. Loop fusion
  • B. Function inlining
  • C. Dead code elimination
  • D. Code hoisting
Q. Which optimization technique can lead to a trade-off between speed and memory usage?
  • A. Function inlining
  • B. Loop fusion
  • C. Code hoisting
  • D. Strength reduction
Q. Which optimization technique focuses on reducing the number of instructions executed?
  • A. Loop unrolling
  • B. Constant folding
  • C. Common subexpression elimination
  • D. Code motion
Q. Which optimization technique involves removing code that does not affect the program's output?
  • A. Loop unrolling
  • B. Dead code elimination
  • C. Constant folding
  • D. Inlining
Q. Which parsing technique is generally more powerful, LL or LR?
  • A. LL
  • B. LR
  • C. Both are equally powerful.
  • D. Neither is powerful.
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