Learn about digital data and how computers understand it, including binary, denary, hexadecimal numbers, units of data, character sets and logic gates.

Conversion of binary to decimal numbers is often needed in firmware. And it’s done easily enough if multiplication and division by ten are acceptable. However, these operations, especially division, ...

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.