You might have heard about this term called BIOS. You might have also seen that blue screen that comes over when something is not working right. Even for installing a new copy of Windows, we have to go through BIOS.
But what do we actually need BIOS in the first place?
Read this article till the end and know what BIOS and UEFI really are.
BIOS stands for Basic Input/Output System. Your system does not understand your Operating System when you start your PC. Also, various checks needed to be done before Windows launches on your PC. So BIOS works like a connecting link between your OS (Operating System) and your PC’s hardware. BIOS is stored on an EPROM (Erasable Programmable Read-Only Memory), allowing the manufacturer to push out updates easily.
In order to access BIOS on a Windows PC, you need to press your BIOS key set by your manufacturer which could be F10, F2, F12, F1, or DEL.
Limitations of BIOS
To overcome this problem something called UEFI is used instead.
The full form of UEFI is Unified Extensible Firmware Interface. It does exactly the same work that BIOS does. But it is better than BIOS in many ways.
UEFI overcomes various limitations of BIOS such as:
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