RECOGNIZE OS USAGE IN COMPUTER SYSTEM

Computer system can be divided into four components :

      Hardware – Provides basic computing resources

Ø  Computer, memory, I/O devices.

      Operating system

Ø  Controls and coordinates use of hardware among various applications and users .

      Applications programs – define the ways in which the system resources are used to solve the computing problems of the users.

Ø  Words processors, compilers, web browsers, database systems, video games.

      User

Ø  People, machines, other computers.