Operating System is a piece of software that controls all your computer resources while the computer is in use. … So in computers, Operating System is installed and stored on the hard disk. As hard disk is a non volatile memory, OS does not lose on the turn off.

Is the operating system stored on the hard drive?

The operating system is normally stored on the hard drive, but you can load an operating system from a USB drive or a CD instead.

Is operating system on hard drive or motherboard?

and each one can usually be added and used by the PC if the corresponding driver for that device and your version of Windows operating system (OS) is available and applied during installation one-by-one. Yes the currently installed Windows operating system and the hard drive are inextricably related.