ISRO Computer Science (CSE) 2014 - Question 34

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How much memory is required to implement z-buffer algorithm for a $512 \times 512 \times 24$ bit-plane image?

  • A. 768 KB
  • B. 1 MB
  • C. 1.5 MB
  • D. 2 MB

Answer: B. 1 MB

Explanation: Assuming Z-buffer depth is standard (often 32 bit or matching color depth? The question might imply the Z-buffer depth). If the question implies the image size itself: $512 \times 512$ pixels.\nUsually Z-buffer is separate. If 24-bit refers to color, Z-buffer might be 24-bit too? \nIf 32-bit (4 byte) depth: $512 \times 512 \times 4 = 1$ MB. \nGiven options, 1 MB is a standard size for $512^2$ with 32-bit depth.

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