023. binary basics: the on off language of computers (ks3)
Learn the fundamentals of binary code to understand how computers use combinations of zeros and ones to represent all digital information.
Did you know that deep down, your computer only understands two things: "on" and "off"? It sounds impossible, but every video, game, and text message is built from millions of tiny switches. In this lesson, we are going to decode the secret language of computers. You will learn how to read and write in binary, translating our everyday numbers into zeros and ones.
Last modified: March 25th, 2026
