give the significance of operating system
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Answer:
An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language. Without an operating system, a computer is useless.
An operating system (OS) is a program that, after being first installed into the system by a boot program, governs all other application programs in a computer.
- An operating system is a piece of software that manages the execution of application program and serves as a conduit between a computer's user and its hardware.
- The application program ask the operating system for services using a specific application program interface (API).
- A more widespread definition states that the operating system, often known as the kernel, is the only program that runs continuously on a computer, with all other programs being application programs.
- The distribution of resources and services, such as memory, processors, devices, and information, is a concern of an operating system.
The major functions of an OS are:
1. Convenience: An OS improves the usability of a machine.
2. Efficiency: An OS enables the effective use of computer system resources.
3. Ability to Evolve: An OS should be designed in a way that makes it possible to create, test, and introduce new system functions simultaneously without disrupting existing ones.
4. Throughput : An operating system should be designed to provide the highest possible throughput (Number of tasks per unit time).
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