How much video memory in kbytes is needed to store a 640×480 pixel image that uses a 32-color palette.
| September 25, 2021 | education
An image with a resolution of 640×480 contains 307200 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:
307200 * 5 = 1536000 bits = 192000 bytes = 187.5 kilobytes.
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