Binary And Hexadecimal.

Binary


Binary consists of the values 0 and 1, False and true. This is because computers can only understand this. Binary looks like this:


128  64  32  16  8  4  2  U
0       1     0    0   0  1  1  0


This is equal to = 70.


Hexadecimal:
Hexadecimal consists of numbers and letters, 1 2 3 4 5 6 7 8 9 A B C D E F, this is equal; to 1 2 3 4 5 6 7 8 9 A=10 A=11 A=12 A=13 A=14 A=15.
For example: the value A3 is equal to 10100011.


Somme more examples are;


01101110 = 124
11111111 = 255
00001111 = 15
7 = 00000111
4 = 00000100
74 = 01001010


Some extra information can be found on the bbc bitesize website; BBC BITESIZE