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Have you ever found something amazing online? An item in a game? A special picture? A meme?

Programers love puzzles and riddles! That’s because problem solving and logic is an essential tool for both math and programming!

What does computer science and counting have to do with each other? Computers might seem smart, but they actually do the same kind of adding, multiplying and dividing that we do. This is called arithmetic.

Computers are incredibly good at math. So why should you learn to count if a computer can do all the math you can, but faster and without making mistakes?

Today we’ll learn about robots, how computers learn… and how they might learn the wrong things. When computers learn to solve problems based on examples, it’s called machine learning. And the examples we use to teach them are called training data.

Algorithms need data to be able to work. Every time you like something online, give thumbs up to a video, or click on a link, the website stores it as data.

Computer science is all about information. The information computers store and send is called data.

Now you’ve met all of Ruby’s friends. Can you remember all of them? Open the file on left hands side and find them from the picture.