pixel, The individual elements (squares of colour) that make up an image., resolution, The total number of pixels the image consists of., colour depth, The number of binary digits used to represent the colour of each pixel., 1 byte, 8 bits, denary, The standard number system used around the world, uses 10 digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, Unicode, A character set that uses 16 bits so can represent a huge number of characters and symbols including those needed for other languages, ASCII, A character set that uses 8 bits (originally 7). It includes all symbols needed for English language, bit, The smallest binary unit represented by either a binary 1 or 0.

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