ELI5: Explain Like I'm 5

Self-booting diskette

A self-booting diskette is like a magic book that knows how to start telling its story as soon as you open it. A diskette is a small piece of plastic that has some very special instructions on it that tell your computer what to do.

Imagine you have a storybook with some stickers on it. Each sticker has a different picture and a magic spell that can make your computer do things. When you put this book into your computer, it reads the first sticker and does what it says. This will start a special program that knows how to use the other stickers to start up your computer and make it do lots of amazing things.

This magic spell is called a boot sector. It's like a superhero that tells your computer what to do and how to do it. When you turn on your computer, it looks for this superhero on the diskette and listens to everything he says. If the superhero isn't there, your computer won't know what to do and will just sit there waiting until you tell it what to do.

So, a self-booting diskette is a special kind of magic book that has the superhero already on it. This means that as soon as you put it in your computer and turn it on, your computer will start doing what it's supposed to do. This is very helpful because it saves you time and lets you get right to work or play without having to do any extra steps.