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Monitor (Display screen) A monitor can be considered as a window into the computer's memory. It allows data entry to be checked by echoing input characters on the screen. The disadvantage of monitors is that data on the screen is temporary (called softcopy) and they can hold only limited amount of data. Quality Factor - Resolution Resolution defines sharpness and clarity of an image and is specified as the number of dots per character. Modern packages are using a lot of graphics and therefore require high-resolution monitors. Display Adaptors Adaptors are cards installed in motherboard to control a monitor. The following specifications were evolving over the years: * Hercules - mono * Colour Graphics Adaptor (CGA) - low quality * Enhanced Graphics Adaptor (EGA) - medium quality * Video Graphics Array (VGA and Super VGA) - high quality * Extended Graphics Array (XGA) - successor of SVGA, has the power to handle the video...

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