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CSS Computer Science QUESTION #1148
Question 1
A 256×256 image with 32 gray levels requires how many bits per pixel?
  • 8 bits
  • 5 bits✔️
  • 6 bits
  • 10 bits
Correct Answer Explanation
The number of bits n required for L gray levels is calculated as 2n=L. Since 25=32, each pixel requires 5 bits.