Imagine you are a toy robot - you have lots of buttons and switches that make you move and do different things. These buttons and switches are called your "hardware". But you also need instructions on how to use all those buttons and switches, and that's where the "bios" comes in.
The bios is a special program that is stored on a chip inside your toy robot. When you turn the robot on, the bios wakes up and checks to make sure everything is working properly. It also tells the robot how to use all its buttons and switches, and makes sure they are all set up correctly.
The bios is like the brain of the toy robot - it knows all the important things that need to happen to make the robot work. And just like your brain, the bios can learn and adapt to new situations. If you add new buttons or switches to the robot, for example, the bios will figure out how to use them and make sure they work with the rest of the robot's hardware.
So, in short, the bios is a special program that tells your toy robot how to use all its buttons and switches, and makes sure everything is working properly. It's like the robot's brain, and without it, the robot wouldn't be able to do anything at all!