A byte is made up of 8 bits and the highest value of a byte is 255, which would mean every bit is set.
Now:
1 Byte ( 8 bits ) | ||||||||||
Place Value | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | ||
0
|
0
|
0
|
1
|
0
|
1
|
1
|
0
|
=
|
22
|
Lets take it right to left and add up all those values together:
128 0
+ 64 0
+ 32 0
+ 16 1
+ 8 0
+ 4 1
+ 2 1
+ 1 0
= 22