2.1.6: understand why hexadecimal notation is used and be able to convert between hexadecimal and binary
| Keyword | Definition |
|---|---|
| binary | a way of representing values which uses 2 different characters (0 and 1) |
| byte | 8 bits in binary or 2 characters in hex |
| denary | a way of representing values which uses 10 different characters (0-9) |
| hexadecimal | a way of representing values which uses 16 different characters (0-9 plus A-Z) |
| nibble | 4 bits in binary or 1 character in hex |