Those ones and zeros might not look like anything to you, but in binary code the numbers are actually saying “Hello!” Any code that uses just two symbols to represent information is considered binary ...

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.

Binary code is the language of computers and electronic devices. The use of binary numbers date back to ancient Egypt, but it was 17th-century philosopher and mathematician, Gottfried Wilhelm ...