What Is Operating System???
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Operating System:
An operating system is a program that
manages computer hardware. It is an important part of computer system. It
provide a basis for application program and acts as an interface between the
computer and user and the hardware. The operating system controls and
coordinates the use of hardware among various application programs for various
users.
Operating System
Objectives:
Different objectives of operating
system are as follows:
รจ Convenience:
The primary objective of an operating
system is convenience for user. Operating system execute user programs and make
it easy to solve user problems. They also make computer system convenience to
use.
รจ Efficiency:
A secondary objective
is the efficient operation of computer system. It is particularly important for
large, shared multi-user system. Operating system can solve this goal. An
operating system provides the facility to use the computer hardware in an
efficient manner.
รจ Ability to evolve:
Operating system allows
effective development, testing and introduction of new system functions without
interfering with the service.
Role of Operating System:
The hardware provides
the basic operating resources in a computer system. The application programs
define the way in which these resources are used to solve computing problems of
the users. The operating system controls the hardware and coordinates its use
among various application programs for different users.
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