Consider a raster system with the resolution of 1024 x 768 pixels and the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must have to support the above-mentioned resolution and number of colors?
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Answer:
1.5MB Ram is required
Explanation:
Each pixel on a display has some number of bits. A display capable of showing up to 256 colors is using 8 bits per pixels
As per question statement, first that the color palette calls for 65,536 colors.
Here 16 bits are being used to represent the color of each pixel on the display.
Display’s resolution is 1024 by 768 pixels
Total pixels are = (1024 × 768) = 786,432 pixels.
Total number of bits required are = (786,432 × 16) = 12,582,912
Converting bits to bytes;
12,582,912 bits = 1572864 bytes
This is equivalent to 1,536 KB. Dividing that value by 1,024 yields an answer of 1.5 MB
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