BIOS
BIOS is just a short form of Basic Input and Output system. The BIOS in Computer or system is stored in a ROM chip / IC chip found in motherboards that lets you access and setup your system. It is a kind of Firmware.
This requires instructions on how to load basic computer hardware. It is a link between the operating system (OS) and Hardware components such as hard disks, keyboard, mouse etc. It includes a test known as a POST (Power-On-Self-Test) that helps verify the computer meets the requirements to boot up properly.
We must have heard about BIOS password at somewhere.
BIOS password is the extreme strong password that is used to lock the hardware in the system and makes your system completely unusable.
How to access BIOS
To enter the BIOS screen you might have seen or know, some keys are pressed during booting time. Many of us aware, when we configure system for the first time, even we follow the same processing to load the booting sequence or selecting the booting device to external drive to install software.
The key sometimes is F2, F8, Del, F12 depending upon the manufacturer. Read the instructions clearly before trying anything else.
That screen is known as BIOS screen.
Options you can navigate on BIOS screen are Boot order, Time change, Drive Partition help, formatting requirement, general over clocking settings, secure boot and Fast booting, BIOS password.
So, this was just a basic thing to know about BIOS.
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