Compilers
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Questions and Answers

What is the purpose of the front-end of a compiler?

  • To perform lexical, syntax, and semantic analysis (correct)
  • To generate optimized code
  • To detect errors in the code
  • To translate the code into low-level machine language

    • Which of the following best describes a compiler?

  • A program that detects errors in source code
  • A program that optimizes code for execution time and memory space
  • A program that translates source code from one programming language to another (correct)
  • A program that performs lexical, syntax, and semantic analysis

    • What are the features of compilers?

  • Translation mechanisms, error detection, and optimization
  • Efficiency, error detection, and optimization
  • Correctness, speed of compilation, and preserving the meaning of the code (correct)
  • Lexical, syntax, and semantic analysis, and code generation

    • What is the back-end of a compiler responsible for?

    <p>Code generation and optimization</p> Signup and view all the answers

    What is the main task of a compiler?

    <p>To translate source code from one programming language to another</p> Signup and view all the answers

    Study Notes

    Purpose of the Front-End of a Compiler

    • Analyzes the source code written by the programmer.
    • Responsible for lexical analysis, syntax analysis, and semantic analysis.
    • Converts high-level programming languages into an intermediate representation.

    Description of a Compiler

    • A compiler is a program that translates source code written in a programming language into machine code or an intermediate code for execution.
    • It performs various optimizations and error checking during translation.

    Features of Compilers

    • Support for multiple programming languages and platforms.
    • Syntax and semantic error detection and reporting.
    • Includes optimization techniques to improve performance of the generated code.
    • Often provides debugging support to assist developers.

    Responsibilities of the Back-End of a Compiler

    • Converts the intermediate representation generated by the front-end into machine code or assembly language.
    • Focuses on optimization and efficient resource allocation during code generation.
    • Handles target architecture specifics and instruction selection.

    Main Task of a Compiler

    • The primary task is to translate high-level code into a form that can be executed by a computer.
    • Ensures that the generated code is optimized for speed and memory usage.
    • Produces outputs such as executables or bytecode, facilitating program execution.

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    Description

    Test your knowledge about compilers and their role in transforming high-level code into low-level machine language. Learn about the benefits of using a compiler and how it optimizes code for better performance.

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