Bits, Bytes, Words

bit

A binary digit: 0 or 1

byte

8 bits

word

4 bytes = 32 bits

Base 2

Numbers composed of bits

Base 10

Numbers composed of the digits 0-9

Base 16

Numbers composed of the digits 0-9 and letters A-F. Also called hexadecimal or hex.

Hexadecimal<->Binary Conversion

Each group of 4 bits gives 1 hex digit.

 Base 2:  1010  0111 (one byte)

Base 16:	   A 	   7