The BIOS is special software that interfaces the major hardware components of your computer with the operating system. It is usually stored on a Flash memory chip on the motherboard, but sometimes the chip is another type of ROM.

Is BIOS a software or firmware?

A computer’s BIOS (basic input/output) is its motherboard firmware, the software which runs at a lower level than the operating system and tells the computer what drive to boot from, how much RAM you have and controls other key details like CPU frequency.

Is a BIOS a system software?

BIOS, in full Basic Input/Output System, computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on.