7.When a colour graphics terminal has coloured pixels, more than one bit of memory is needed for each pixel. How much memory is required for the following displays: a)Monochrome Apple Mac SE – that is, two colours, with 512 x 342 pixels. b)IBM-PC EGA+, having 16 colours and 640 x 480 pixels. c)IBM-PC SVGA having 256 colours and 800 x 600 pixels.

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