A planetary mapping satellite captures multi-spectral surface images. Each image tile uses a restricted color palette consisting of 14 distinct vegetation indices, 5 water turbidity levels, 3 rock-type indicators, and 1 background shadow color.
State the minimum colour depth, in bits, required to represent a single image tile from this satellite.
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.