Which Best Defines an Operating System (OS)

question 103

Multiple Choice

Which 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.

---

Definitions:

Organic Product

A compound containing carbon atoms that has been produced through chemical reactions involving organic molecules.

β-Ocimene

An isomer of ocimene, which is a monoterpene showing a double bond at the beta position, found in various plant oils and used in fragrances.

Natural Product

A chemical compound or substance produced by a living organism found in nature.

Empirical Formula

The simplest expression of a compound's composition, showing the relative numbers of atoms of each type without structural information.