9.2.11


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.

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