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Initially, Color QuickDraw was only capable of operating with 1, 2, 4 and 8-bit video cards, which were all that was available at the time. Soon after however, 24-bit video cards appeared (so-called true color), and QuickDraw was updated again to support up to 32 bits per pixel (in reality, 24 bits, with 8 unused) of color data ("32-Bit ...
Desmond Paul Henry, picture by Drawing Machine 1, c. 1962. The precursor of computer art dates back to 1956–1958, with the generation of what is probably the first image of a human being on a computer screen, a (George Petty-inspired) [3] pin-up girl at a SAGE air defense installation. [4]
Typing on a laptop keyboard. A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.