Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than ...

Unlike our everyday counting system that uses tens, binary uses just two numbers, 0 and 1. Learn more with BBC Bitesize. Suitable for KS3 students.

Computers use binary to process data. There are simple techniques to convert between binary and denary and to add two binary numbers together. Representing text, images and sound Learn how text ...