The I/O devices of present day evolved from traditional disk devices to graphic devices. Special devices using LCD devices, high-resolution devices for workstations are now widely used. If you look at the printing systems, the printers also evolved from dot matrix to laser jet systems with lot of processing power and memory. Plotters from A0 to A4 size are now available. We also have media input devices such as video cameras to host video on the web. Video conversion mechanisms are also available. In addition, are other I/O devices keyboards and mouse, though developments in these two devices are minimal.

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