1.

Explain the main purpose of an operating system?

Answer»

In earlier day’s user had to design the application to die internal structure of the hardware.

Operating system was needed to enable the user to design the application without the knowledge of the computer’s internal structure and hardware system. 

Nowadays, user needs an interface to interact with the computer and controls the execution of all kinds of programs without knowing the intemals-of the hardware. 

Usage of Operating system:

1. Easy interaction between the human and computer. 

2. Starting computer operation automatically when power is turned on. 

3. Loading and scheduling users program. 

4. Controlling input and output devices. 

5. Managing use of main memory. 

6. Providing security to users program.


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