ELI5: Explain Like I'm 5

7400-series integrated circuits

Okay, imagine you have a big puzzle that's made up of lots of smaller pieces. Each of these pieces has a job to do. Some of them help the puzzle light up, some make it make noise, and some make it do other cool things.

The 7400-series integrated circuits are kind of like those puzzle pieces, but for electronic devices. They're really small, like the size of a fingernail, but they have a very important job to do. Each one is designed to do a specific task when it's connected to other electronic parts, like a sort of team.

For example, some of these little chips might be responsible for adding two numbers together, or for organizing things into groups. Others might have the job of turning power on or off, or for measuring the temperature.

Because these chips are so small, lots of them can fit onto a circuit board, which is like a map that shows how all the different electronic pieces are connected together. So when you look at a circuit board, you might see lots of these little 7400-series chips working together to make something really cool happen, like a computer or a robot.

Even though they're tiny, these little chips are really powerful and can do lots of amazing things. And because they're so common and have been around for a long time, lots of people know how to work with them and make cool electronic devices!