Operating System History and Development Quiz
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Questions and Answers

What is the main function of an operating system?

  • Managing computer hardware resources and providing common services for computer programs (correct)
  • Producing computer hardware resources and developing new services for computer programs
  • Designing computer hardware resources and programming services for computer programs
  • Selling computer hardware resources and marketing services for computer programs
  • In which decade were basic operating system features first developed?

  • 1970s
  • 1990s
  • 1960s (correct)
  • 1980s
  • What is the primary purpose of a server operating system?

  • Handling major application and services (correct)
  • Developing new computer programs
  • Normal computing like home use
  • Selling computer hardware resources
  • Which company introduced the concept of a single OS spanning an entire product line in the 1960s?

    <p>IBM (International Business Machine)</p> Signup and view all the answers

    What enables application programs to interact with the hardware?

    <p>Obeying rules and procedures programmed into the operating system</p> Signup and view all the answers

    What is responsible for informing the computer when a new device is connected?

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

    In what mode does the operating system's kernel perform low-level tasks with unrestricted access to hardware?

    <p>Supervisor mode</p> Signup and view all the answers

    What is the primary function of interrupts in operating systems?

    <p>Interacting with the environment</p> Signup and view all the answers

    Which component of the computer is responsible for supporting multiple modes of operation?

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

    What is automatically running in supervisor mode when a computer first starts up?

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

    Study Notes

    Operating System Overview

    • An operating system (OS) manages computer hardware and software resources, enabling user interaction and application execution.
    • The primary purpose of a server operating system is to manage network resources, facilitate communication, and support multiple client connections.

    Historical Development

    • Basic operating system features were first developed in the 1950s, setting the groundwork for modern OS functionalities.
    • IBM introduced the concept of a single OS spanning an entire product line in the 1960s, which revolutionized software development across various hardware platforms.

    Hardware Interfacing

    • Device drivers enable application programs to interact with hardware components by providing specific commands and protocols for device operation.
    • The operating system is responsible for detecting new devices when they are connected, informing the system about their presence and capabilities.

    Operating System Modes

    • The kernel of the operating system operates in supervisor mode (or kernel mode), performing low-level tasks with unrestricted access to hardware.
    • The central processing unit (CPU) is the component responsible for supporting multiple modes of operation, including user mode and supervisor mode.

    Interrupts in Operating Systems

    • Interrupts serve the primary function of allowing the CPU to respond to events or signals from hardware devices, facilitating timely processing without polling.
    • When a computer first starts up, the operating system runs automatically in supervisor mode, ensuring control over hardware and system processes from boot-up.

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    Description

    Test your knowledge of the history and development of operating systems, including their basic features and evolution from the 1950s to the popularization of personal computers in the 1980s. Explore the key concepts that shaped modern operating systems.

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