Functions of Operating System


 
 
Concept Explanation
 

Functions of Operating System

Computing System acts as an interface between the user and the hardware. It allows users to perform different tasks like input data, process the operation, and access the output.

Function of Operating Systems:

  • In a multitasking operating system where multiple programs can be running at the same time, the operating system determines which applications should run in what order and how much time should be allowed for each application before giving another application a turn.
  • It manages the sharing of internal memory among multiple applications.
  • It handles input and output to and from attached hardware devices, such as hard disks, printers, and dial-up ports.
  • It sends messages to each application or interactive user (or to a system operator) about the status of operation and any errors that may have occurred.
  • It can offload the management of what are called batch jobs (for example, printing) so that initiating application is freed from this work.
  • On computers it can provide parallel processing, an operating system can manage how to divide the program so that it runs on more than one processor at a time.
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    Sample Questions
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    Question : 1

    Which of the following are types of Booting:-

    • 1. Warm booting
    • 2. Change booting
    • 3. Memory booting
    • 4. Cold booting
    Right Option : D
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    Explanation
    Question : 2

    Which of the following is/are function of operating system ?

    Right Option : D
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    Explanation
    Question : 3

    Windows software was developed by a company called __________________

    Right Option : A
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    Explanation
     
     


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