what does bios stand for and what is its purpose
What is a BIOS? BIOS is an acronym for B asic I nput / O utput S ystem. On virtually every computer available, the BIOS makes sure all the other chips, hard drives, ports and CPU function together. What BIOS Does The BIOS software has a number of different roles, but its most important role is to load the operating system. When you turn on your computer and the microprocessor tries to execute its first instruction, it has to get that instruction from somewhere.