How much video memory is needed to store two pages of an image
| April 30, 2021 | education
How much video memory is needed to store two pages of an image, assuming the display resolution is 600 x 400 pixels and the number of colors used is 32.
An image with a resolution of 640×400 contains 256000 pixels.
From the equation x = 2 ^ n (where x is the number of colors, n is the size of one point) it follows that one 32-color point takes up 5 bits of memory.
To calculate the required amount of video memory, you need to multiply the total number of points by the amount of memory occupied by one point:
256000 * 5 = 1280000 bits = 160,000 bytes = 156.25 kilobytes.
156.25 * 2 = 312.5 kilobytes.
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