What is operating system explain with diagram?

What is the operating system and its type?

An operating system performs all the basic tasks like managing files, processes, and memory. Thus operating system acts as the manager of all the resources, ie resource manager. Thus, the operating system becomes an interface between user and machine.

What are the 5 operating systems?

Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple’s iOS.

What is operating system interview questions?

Basic OS Interview Questions

• Why is the operating system important? …
• What’s the main purpose of an OS? …
• What are the benefits of a multiprocessor system? …
• What is RAID structure in OS? …
• What is GUI? …
• What is a pipe and when is it used? …
• What are the different kinds of operations that are possible on semaphore?

Why do we need an operating system?

– [Instructor] The operating system is the most important computer software that manages hardware and software resources. On operating system takes the road of reducing the barrier of managing tasks and their resources, providing the interfaces for various hardware and software components. …

What are the 5 main functions of an operating system?

Important functions of an operating system:

• Security-…
• Control over system performance – …
• job accounting
• Error detecting aids – …
• Coordination between other software and users – …
• Memory management – …
• Processor management – …
• Device Management –