A remote-sensing satellite captures a digital image of an agricultural region. The captured image has a resolution of 2048 pixels by 1500 pixels. The sensor records the light intensity of each pixel using one of 40 distinct levels.
Calculate the minimum file size of this raw image. You should give your answer in kilobytes (KB).
You must 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.