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.
Practise AQA GCSE Computer Science Representing images with exam-style questions for GCSE Computer Science. 43 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.