Endianness
	Storing data in memory									Address		Contents
		32-bit word: 4 bytes.									1000
	Each byte has an individual address.										1001
		Smallest addressable unit									1002
	How many hexadecimal digits in each byte?										1003
		Hex digit = 4 bits, so a byte can hold 2 digits.									1004
	How do we store the value 01234567hex?										1005
											1006
											1007