A digital display panel at a train station shows a custom graphical icon. The icon is a bitmap image with a resolution of 28 pixels wide by 18 pixels high, and it uses exactly 10 different colours.
Calculate the minimum file size, in bytes, required to store the pixel data for this image.
Show your working.
26 exam-style questions on AQA GCSE Computer Science Representing images. Each one has a worked solution and a mark scheme showing where the marks go.