A raster image file contains a color image with a palette of 256 colors, 10×10 pixels in size. What is the information
| April 10, 2021 | education
A raster image file contains a color image with a palette of 256 colors, 10×10 pixels in size. What is the information volume of this file?
First, find the total number of pixels in this image.
We multiply its sizes among ourselves.
10 * 10 = 100.
Determine the information volume of one pixel using the following formula:
N = 2i
256 = 2i
i = 8.
256 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2.
From this it follows that one pixel takes up 8 bits of information.
Thus, the total volume of the image will be:
100 * 8 = 800 bits.
When translated into bytes, we get:
800/8 = 100 bytes.
Answer: The informational size of the file is 100 bytes.
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