What two different types of firmware may be used on motherboards?

Answer;

BIOS and UEFI

Explanation;

-Firmware is a software program permanently etched into a hardware device such as a keyboards, hard drive, BIOS, or video cards. It is programmed to give permanent instructions to communicate with other devices and perform functions like basic input/output tasks.

Basic Input/Output System (BIOS) is a type of Firmware used during the booting process (power-on/start up) on IBM PC compatible computers. Unified Extensible Firmware Interface (UEFI) the other hand is a specification for a software program that connects a computer's firmware to its operating system