WDR Paper Computer: The Computer You Can Draw!

Have you ever seen a computer? They have screens and keyboards! But long ago, computers were super rare. So, some clever people invented the WDR paper computer! It's like a pretend computer you can make yourself. All you need is a piece of paper, a pen, and some little matchsticks. It’s a fun way to learn how real computers think, without needing any electricity!

This amazing idea came from two smart people, Wolfgang Back and Ulrich Rohde. They showed it on a TV show in Germany way back in 1983, when your parents might have been kids! Lots and lots of people loved it, and over 400,000 copies were made.

It was like a super popular toy that taught you about computers. It helped people understand how to give instructions to a computer, even if they didn't have one at home.

It's like playing a game! You draw boxes on your paper for 'registers' – these are like little storage spots. You put matchsticks in the boxes to show numbers.

Your pen points to a line of instructions, like 'add one match' or 'take away one match'. You follow the instructions, moving matches around. It’s like a secret code that tells the paper computer what to do, step by step, until it’s all done!

This paper computer is special because it shows that you don't need a fancy machine to learn about big ideas. It's like learning to read by sounding out words, instead of needing a whole library! It helped so many people learn about programming, which is how we tell computers what to do. Even today, a version of it is used in schools in a country called Namibia to teach kids just like you!