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Define the following terms as used with monitor technology in computing.
a)Polychromatic screen:
b)Resolution:
c)Refresh rate:
d)Video graphic adaptor:

Answer Text:
a)Polychromatic screen: they are screens which provide the output in many colours.
b)Resolution: the number of pixels per inch on the screen measured in dots per inch (dpi) which determines the clarity of images displayed.
c)Refresh rate: this refers to how many time per second the screen is redrawn to avoid flickering.
d)Video graphic adaptor: A device that is plugged or integrated on the motherboard to allow connection of the monitor to the system unit