Why do we use hexadecimal?
Humans make mistakes whilst writing out long stings of characters, so hexadecimal is an effective shorthand
How do you convert from binary to hexadecimal?
Each nibble in binary is assigned a hexadecimal digit
What base does hexadecimal have?
15 - 0 –> 9 and A –> F
What base does binary have?
2 - 0,1
What base does denary have?
10 - 0 –> 9