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Sunday, 6 November 2011

What is Operating System?

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Operating System:-  Operating System is an interface between user and hardware.
  It is used to manage the resources of a system and to create an environment where a user can work.
Operating System

Write down the task of an  Operating System:
Task of an Operating System:-
  • I/O Management
  • Power Management
  • Resources Management
  • File Management
  • Process Management
  
 

What is the difference between Software and Hardware?

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Software: Software is the collection of a programs that when executed gives a proper output.
  OR
   Software is a set of logically related programs which is used to carry out a task.
Example:- MS-Paint, Notepad, MS-Word. 

Hardware: Hardware are electrical, Mechanical and Magnetical parts of computer which we can see or touch. 
Example:- Monitor, keyboard, Mouse.