Hexadecimal
- Binary is base 2, because we use two digits, 0 and 1
- Decimal is base 10, because we use ten digits, 0 through 9.
- Hexadecimal is base 16. How many digits do we need to express numbers in hex ? 16 (0 through ?)
- 0 1 2 3 4 5 6 7 8 9 A B C D E F