What is the minimum amount of video memory required to store a graphic image

What is the minimum amount of video memory required to store a graphic image that occupies a 512 x 512 dots screen area, where each dot can have one of 256 colors?

N = 2 = 256 => i = 8

Points: 512 * 512 = 262144

Required size: 8 * 262144 = 262144 bytes = 256 KB



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