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Daily Problem·Monday, 9 March 2026Back to today

File size — small bitmap

GCSE · Computer Science · AQA · CS3.6Representing images: pixels, resolution, colour depth; calculating file size = width × height × bits-per-pixel ÷ 8

Question

Calculate the raw file size, in bytes, of a 200 × 100 image at 8 bits per pixel.

3 marks · take your time before peeking.

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