Which of the following best defines an operating system (OS)?
A) It is a set of programs for controlling and managing computer hardware and software.
B) It is a computer and all the software for managing network resources and offering services to a network.
C) It is a collection of disk drives used for fault tolerance and is typically found in large network systems.
D) It is the main circuit board containing connectors for attaching additional boards.

Question

Quizplus · Accepted Answer

An operating system (OS) is a set of programs for controlling and managing computer hardware and software. It acts as an interface between the user and the computer's hardware, providing services such as file management, memory management, and process management. It is the most essential software that runs on a computer, without which other applications cannot function. Choices B, C, and D are incorrect as they do not accurately define an operating system.

Which of the Following Best Defines an Operating System (OS)