What is an operating system that is permanently programmed into a hardware device?

Embedded OS

Mobile OS

Firmware

Firmware is an operating system that is permanently programmed into a hardware device.

The correct answer is firmware. Firmware refers to a type of software that is permanently programmed into a hardware device. It provides the basic instructions for the hardware to function properly. Unlike other operating systems that can be updated or changed, firmware remains fixed in the device and is responsible for managing its specific functions.