BIOS Short for Basic Input / Output System, is a BIOS chip is located on all computer motherboards provide instructions and setup for how your system should boot and how to operate.
The BIOS includes instructions on how to load the basic computer hardware and includes a test called POST (Power On Self Test) that helps verify the eligibility computer to boot properly. If the computer does not pass the POST, you will receive a combination of beeps indicates what is broken in the computer.
