boot
A boot is like when you wake up in the morning and stretch your arms to get ready for the day. When a computer boots up, it’s waking up and stretching so it can start working. It turns on and checks if everything is okay, just like you check if your shoes are on the right feet before you start running.
Imagine a boot as a magic spell that wakes up a sleeping dragon. The dragon is your computer, and the spell helps it open its eyes and get ready to fly. The computer has to follow steps, like saying magic words, to make sure it can work properly and help you with your games or videos.
Think of a boot as a train getting ready to go on a journey. It needs to make sure all the cars are connected and the engine is working. The computer does the same thing, making sure all its parts, like the screen and keyboard, are ready to work together. Once everything is checked, the computer is ready to take you on an adventure through your favorite games or stories.