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C++ Programming Chapter 1: Computer Systems & Programming Languages
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C++ Programming Chapter 1: Computer Systems & Programming Languages

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Questions and Answers

Which of the following programming languages is NOT a high-level language?

  • COBOL
  • Java
  • C++
  • Assembly (correct)
  • What is the purpose of a compiler?

  • To execute a C++ program directly
  • To translate high-level language to machine language (correct)
  • To translate machine language to high-level language
  • To analyze the syntax of a Java program
  • What is the #include directive used for in a C++ program?

  • To define a function
  • To include a header file (correct)
  • To start the execution of a program
  • To declare a variable
  • What is the standard namespace used in C++ programming?

    <p>std</p> Signup and view all the answers

    What is the purpose of the using namespace std; directive in a C++ program?

    <p>To allow use of standard library components without std:: prefix</p> Signup and view all the answers

    Study Notes

    Overview of Computers and Programming Languages

    • Computers consist of hardware and software components that work together to process data.
    • Hardware includes physical parts like the CPU, memory, and input/output devices.
    • Software encompasses programs and applications that instruct the hardware on how to perform tasks.

    Evolution of Programming Languages

    • Programming languages are classified into high-level and low-level languages.
    • High-level languages provide abstraction from machine language, aiding in easier program development.
    • Notable high-level languages include:
      • Basic
      • FORTRAN
      • COBOL
      • Pascal
      • C
      • C++
      • C#
      • Java
    • Low-level languages are close to machine code and include assembly language.

    Compilers and Language Translation

    • A compiler is a crucial tool that translates high-level language code into machine language that the computer can execute.
    • This translation process allows developers to write code in a user-friendly format while optimizing it for machine execution.

    Processing a C++ Program

    • Basic structure of a C++ program includes:
      • Preprocessor directives (e.g., #include) which allow for the inclusion of libraries.
      • The main() function serves as the entry point of the program.
      • cout is used for outputting text to the console.

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    Description

    Test your understanding of the basics of computer systems, high-level languages, and the evolution of programming languages. This quiz covers the fundamentals of C++ programming and its history.

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