Classification of Operating Systems


 
 
Concept Explanation
 

Classification of Operating Systems

Classification of Operating Systems:

  • Multi-user : allows two or more user's to run programs at the same time. Some operating systems permit hundreds or even thousands of concurrent users.
  • Multiprocessing: It supports running a program on more than one CPU.
  • Multitasking : It allows more than one program to run concurrently.
  • Multi threading : It allows different parts of a single program to run concurrently.
  • Real-time: It responds to input instantly. General-purpose operating systems, such as DOS and UNIX, are not real-time
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    Sample Questions
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    Question : 1

    UNIX is the example of__________________Operating System.

    Right Option : C
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    Question : 2

    Match the Following:

    A. Multi-user (i) allows more than one program to run concurrently.
    B. Multi threading (ii) allows two or more user's to run programs at the same time.
    C. Real-time (iii) responds to input instantly.
    D. Multi-tasking

    (iv) allows different parts of a single program to run concurrently.

    Right Option : D
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    Question : 3

    Operating system that allows only one user to work on a computer at a time is known as _______________

    Right Option : A
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