There are four rules that need to be followed when adding two binary numbers. These are: 0 + 0 = 0 1 + 0 = 1 1 + 1 = 10 (binary for denary 2) 1 + 1 + 1 = 11 (binary for denary 3) ...

Hex is useful because large numbers can be represented using fewer digits. For example, colour values and MAC addresses are often represented in hex. Additionally, hex is easier to understand than ...