What colour is this?
#00FF00

1001
Convert this number to
decimal/denary

What is binary?

Give two reasons computers use binary.

What are the main uses of hexadecimal

Why do we represent colours using hexadecimal, not binary or decimal

What is this number in hexadecimal?
24

How many bits is this binary number?
1001010

How many bits are there in a byte?

A3
Convert this number to Denary ( Decimal)

When might we use code from external sources? What are the advantages and disadvantages?

How many different characters are encoded in ASCII? Give examples of 3 different types or characters.