| http://www.w3.org/ns/prov#value | - Each pixel takes 3 bytes (one byte each for red/green/blue), so 480,000 * 3 is 1,440,000 bytes overall, i.e. about 1.4 MB, which is the space required for the image in RAM. On disk, you will notice that .jpg files takes up much less space than that; this is due to compression which is a very effective space-reduction technique for image and audio data - a future topic.
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