Working in hex or binary can feel strange and confusing compared with the base 10 number system used in our everyday world. It's not rocket science, but it requires adjusting how one thinks about ...

In the computer, all data are represented as binary digits (bits), and eight binary digits make up one byte. For example, the upper case letter A is 0101001. Numbers however can take several forms ...

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.