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Which one of the following is not a multitasking operating system?

A. DOS

B. Windows

C. Unix

D. Linux

Answer: Option A

Solution(By Examveda Team)

DOS is not a multitasking operating system. DOS did however provide a Terminate and Stay Resident (TSR) function which allowed programs to remain resident in memory.

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Comments ( 1 )

  1. Abhijit Wandhekar
    Abhijit Wandhekar :
    4 years ago

    I want explanation .

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