Binary Numbers: How Computers Count

Every photo, message and game on a computer is stored as patterns of 0s and 1s. With Ziggy the inventor owl, learn why computers use binary, how to convert between binary and denary (decimal) numbers, and how to add binary numbers – including what happens when the answer is too big. It supports the Key Stage 3 computing programme of study for England.

Tutwoo Kids is independent and is not affiliated with, or endorsed by, the Department for Education, Ofqual or any exam board. This course follows the national curriculum for England and is for learning and practice; certificates are for encouragement and are not qualifications.