0
0
0
0
0
0
0
0
0
0
Counting in hexadecimal (base 16)
0 1 2 3 4 5 6 7 8 9 A B C D E F
16 possible values.
One value is 0, so the denary equivalent of F is 15.
With 16 x 16 possible values a byte can hold 256 values.
But since one of those values is 0 the maximum value of a byte (FF) is 255