Computer Org. 2019.01.22

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Hexadecimal is base 16

From 0-9 and then a to f.

How to convert ab94(16) to binary: Change each one of these to four digit binary.

Hex to Decimal:

Hex Digits (bits) we use are:

0…f Maximum digit = Base -1

Octal (Base 8)

From 0 to 7

No letters in it

Represents groups of 3 bits

Use ‘alphabet’ of 0-7

Label the 0s and 1s into groups of three digits

Octal Digits (bits) we use are:

0…7 Maximum digit = Base -1