The UEFI is a new avatar of the BIOS that is soon going to replace the BIOS. As we all know , the BIOS is a small piece of system software that seats into the ROM chip present on the motherboard.
For the sake of our understanding , we can also call a BIOS a miniature start-up system program that is responsible to load the main operating system every time you start the computer system.
The UEFI is latest new advanced version of the BIOS that is placed on the motherboard in the form of ROM chip. Â The UEFI has some major advantages as compared to BIOS.
The legacy BIOS and UEFI are firmware currently in use on many computer systems. And therefore , understanding the BIOS and its limitations is important factor that led to the development of UEFI.
In this article , you will learn what is UEFI , what was the need to introduce UEFI , what is BIOS and its functions, and finally what are the advantages of UEFI.
Let us first start with a simple introduction to the BIOS and its functions.