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Video memory: size, transfer rate

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A 1024 x 768 image is displayed, non interlaced, at a rate of thirty frames per second.

a. If the image is stored with 64-k color resolution, which uses 2 bytes per pixel, how much memory is required to store the picture?

b. How much video memory is required to store the picture as a "true color" image, at 3 bytes per pixel.

c. What is the transfer rate, in bytes per second, required to move the pixels from video memory to the screen for the "true color" image?

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Solution Summary

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a. Memory required to store the picture with 64-k color resolution = (1024*768) pixels * 2 bytes/pixel = 1572864 bytes or 1536 KB

b. ...

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