A computer system is a collection of hardware and software components designed to provide an effective tool for computation. Computer system are used in every walk of life to assist us in the various tasks we perform. The wide availability of the internet has enhance the use of computer for information sharing and communication. Computer system allows us to store, process, display and communicate information. In any modern computer system even a simple one, in general needs several different programs in order to accomplish its various functions.

Saturday, February 3, 2018

What is operating system?

Operating system is the most important piece of software in a computer. The operating system is the software responsible for mediating the control of all three families of the computer’s resources: hardware, software and data.

The operating system s control how the system works. Controls the running of programs and provides such services as resource allocation, scheduling, input, and out control and data management.

The fundamental task is to control interaction among users and also between users and system services. Performance is a critical factor of all facets of an operating system. All the important parts of the operating system such as memory management, process and thread scheduler, file I/O and communication protocol should work as efficiently as possible.
What is operating system?
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