Colours are represented by a computer as a combination of the three primary colours:
red, green and blue.
Numerical values are used to represent the different shades of each primary colour.
These values range from 0 to 255 in decimal, or 00 to FF in hexadecimal.
(a) State why hexadecimal numbers are frequently used in computing. [1]
(b) State the number of bits used to represent a non-primary colour, such as yellow. [1]
(c) State the maximum number of colours that can be represented in a computer pixel. [1]