Disk Operating System - DOS


 
 
Concept Explanation
 

A disk operating system (DOS) is a type of operating system that manages data on a disk storage device. It was widely used in the 1980s and 1990s, particularly on IBM-compatible personal computers. 

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Sample Questions
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Question : 1

Which one of the following DOS commands sends contents of the screen to an output device ? 

Right Option : B
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Question : 2

Which of the following operating systems was first developed by Microsoft ?

Right Option : D
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Explanation
Question : 3

Which one of the following DOS commands sends contents of the screen to an output device ?

Right Option : B
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Explanation
 
 


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