A planetary exploration rover transmits raw images of the Martian surface back to Earth. Along with the binary array representing the pixel grid, each image file includes a metadata header.
Define the term metadata in the context of these digital files.
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.