input devices applications of computers micro controllers personal computers mainframe computers super computer digital computer evolution of computers computer processing computers webcam dslr digital video camera digital camer camera image capturing devices finger print reader bar code reader q.r reader card reader portable scanner flatbed scanner scanner digitizing and scanning devices lightpen joystick bluetooth mouse wireless mouse optical mouse mechanical mouse touchscreen touchpad mouse pointing devices mechanics of keys braille keyboard foldable keyboard holographic keyboard types of keyboard keyboard computer by size micro computers mini computers generations of computer data anf innformation use in animation use in entertainment use in law agencies use in business use in banks use/application of embedded computers places where computers are used advantages and disadvantages embedded computers microcomputers minicomputers sizes of computers physical quatities discrete digital analogue analogue computer types of computer artificial intelligence microprocessor i.c vacuum tubes transisters generations of computers
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