Operating Systems Introduction and Objectives Quiz
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Questions and Answers

What is the main purpose of an operating system?

  • To act as an intermediary between the user and computer hardware (correct)
  • To write application software in high-end languages
  • To interfere with user activities on the computer system
  • To only manage device drivers

    • Which of the following is a component of the computer system?

  • Application software (correct)
  • Internet browser
  • Computer hardware only
  • Printer

    • What is the kernel in an operating system?

  • A device driver
  • A hardware component
  • A software containing all elements of the operating system (correct)
  • A type of application software

    • Which of the following is an example of an operating system?

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

    What kind of software is System Software?

    <p>Software closer to hardware, written in low-end languages</p> Signup and view all the answers

    Which of the following is NOT an objective of the Operating System?

    <p>User interference</p> Signup and view all the answers

    What area of the computer architecture includes the RAM, I/O, and CPU?

    <p>Back area</p> Signup and view all the answers

    What is the function of the operating system in memory management?

    <p>Keeps track of main memory allocation</p> Signup and view all the answers

    What does the operating system do in the context of processor management?

    <p>Allocates and deallocates CPU to processes</p> Signup and view all the answers

    What type of system call involves system programs?

    <p>System Calls/Monitor Call</p> Signup and view all the answers

    Which activity does the operating system NOT handle?

    <p>Physical assembly of computer components</p> Signup and view all the answers

    What is the main function of an I/O controller in device management?

    <p>Keeping track of all devices</p> Signup and view all the answers

    Study Notes

    Operating System Purpose

    • Manages computer hardware and software resources.
    • Provides common services for computer programs.
    • Acts as an intermediary between users and hardware.

    Computer System Components

    • Hardware (CPU, memory, storage, peripherals).
    • Software (operating system, applications).
    • Firmware (BIOS, embedded systems).

    The Kernel

    • Core of the operating system.
    • Responsible for managing system resources.
    • Interacts directly with hardware.

    Operating System Examples

    • Windows, macOS, Linux, Android, iOS.

    System Software Classification

    • System software includes the operating system and other programs that manage and control computer hardware and software resources.

    Non-Operating System Objective

    • Application-specific tasks (e.g., word processing, game playing). Operating systems provide a platform for these, not the tasks themselves.

    Computer Architecture Area

    • Central Processing Unit (CPU).
    • Input/Output (I/O) systems.
    • Random Access Memory (RAM). These are part of the system architecture. This is also sometimes referred to as the von Neumann architecture.

    Memory Management Role

    • Allocates and deallocates memory to processes.
    • Prevents processes from interfering with each other's memory.
    • Manages virtual memory (swapping between RAM and secondary storage).

    Processor Management

    • Allocates CPU time to processes.
    • Schedules process execution to optimize performance.
    • Handles context switching between processes.

    System Calls Involving System Programs

    • System calls that interact with system programs (e.g., file system calls).

    Activities NOT Handled by the OS

    • Application-specific tasks (e.g., computations within a spreadsheet program). The OS provides services to run these apps, but doesn't do the app's direct work.

    I/O Controller Function

    • Manages data transfer between I/O devices and memory.
    • Handles device interrupts and error conditions.
    • Translates requests into device-specific commands.

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    Description

    Test your knowledge on the introduction and objectives of operating systems with a focus on the definition, objectives, computer system components, functions, kernel, and examples of operating systems. Explore key concepts from Block 1 notes.

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