A marine research drone captures underwater sonar-map images. Each scan yields an image that is 2048 pixels wide and 1536 pixels high.
Construct an expression to calculate the total number of pixels in one of these scan images.
40 exam-style questions on Edexcel GCSE Computer Science Data representation, covering Encoding characters with 7-bit ASCII, Representing bitmap images in binary, Representing analogue sound in binary, and Limitations of binary representation. Each one has a worked solution and a mark scheme showing where the marks go.