Introduction to Operating Systems
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Questions and Answers

What is the main function of an operating system?

  • Providing physical devices for the computer
  • Managing computer hardware resources (correct)
  • Running application programs
  • Executing machine instructions

    • Where does the operating system run in a computer system?

  • On top of application programs
  • On the bare hardware (correct)
  • In user mode only
  • In kernel mode and user mode simultaneously

    • What level of access does the operating system have in kernel mode?

  • Limited access to hardware
  • Complete access to all hardware (correct)
  • No access to hardware
  • Access to a subset of machine instructions

    • Where does the command interpreter, compilers, and editors run in a computer system?

    <p>In user mode</p> Signup and view all the answers

    What is the role of the operating system in computer systems with respect to software?

    <p>It provides a base for other software</p> Signup and view all the answers

    What is the main role of an operating system?

    <p>The main role of an operating system is to manage computer hardware resources and provide various services for computer programs.</p> Signup and view all the answers

    Where does the operating system run in a computer system?

    <p>The operating system runs on the bare hardware and provides a base for the rest of the software.</p> Signup and view all the answers

    What are the two modes of operation in most computers?

    <p>Most computers have two modes of operation: kernel mode and user mode.</p> Signup and view all the answers

    What types of programs run in user mode?

    <p>In user mode, the command interpreter (shell), compilers, editors, and other system programs run.</p> Signup and view all the answers

    What is the abstract view of the components of a computer system?

    <p>A computer system consists of hardware, system programs, and application programs.</p> Signup and view all the answers

    What is the main function of the operating system?

    <p>The main function of the operating system is to manage computer hardware resources and provide various services for computer programs.</p> Signup and view all the answers

    Explain the two modes of operation in most computers.

    <p>Most computers have two modes of operation: kernel mode and user mode. The operating system runs in kernel mode, while the rest of the software runs in user mode.</p> Signup and view all the answers

    Where does the operating system run in a computer system?

    <p>The operating system runs on the bare hardware, providing a base for the rest of the software.</p> Signup and view all the answers

    What are the components of a computer system according to the abstract view?

    <p>The abstract view of a computer system consists of hardware, system programs, and application programs.</p> Signup and view all the answers

    What is the role of the command interpreter, compilers, and editors in a computer system?

    <p>These system programs run in user mode, providing various functionalities for the user and other software.</p> Signup and view all the answers

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