What is true about an operating system?

What is true about an operating system?
A . It is a firmware burned onto the computer mother board.
B . It is a software program that directly supports the computer itself.
C . It is a hardware component of the computer system.
D . It is an application program similar to word processors.

Answer: B

Explanation:

Anoperating system (OS)is a system software that manages computer hardware and software resources and provides common services for computer programs.

It serves as an intermediary between users and the computer hardware.

Key functionsof an OS include:

Examples include Windows, Linux, and macOS.

References:

"Operating System Concepts" by Abraham Silberschatz, Greg Gagne, and Peter B. Galvin.

"Modern Operating Systems" by Andrew S. Tanenbaum.