Operating system and its function

Operating System
Operating System is a system software (a set of routine program) that controls and the computer system.It is most important program that run on the computer system and acts as an interface between user and a computer or hardware.

Function Of Operating system
• It controls input and output devices that is used of keyboard,monitor and printer.
• It controls the movements of data in the primary memory.
• It locates and loads program from the secondary memory.
• It saves the programme in the secondary memory.
• It manages the larger programme in the small primary memory of the computer by using the technique of the virtual memory.