So, a power supply is like the refrigerator in your house. Just like how the refrigerator provides electricity to keep your food cold, a power supply provides electricity to your computer or other electronic devices.
Usually, a power supply gets its power from an outlet in your wall. It then takes that power and converts it into the right amount of electricity that your computer needs.
Think of it like this: your computer is like a little kid who needs the right amount of food to grow big and strong. The power supply is like the parent who makes sure the kid gets just the right amount of food – not too much and not too little – so they can grow up healthy and happy.
Without a power supply, your computer would be like a kid who doesn't get enough food. It would be weak and not able to do much. But with the right amount of electricity from the power supply, your computer can do all kinds of cool things like play games, watch videos, and help you with your schoolwork.
So, in summary, a power supply is like the parent who makes sure your computer gets just the right amount of electricity it needs to work properly.