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ISRO | ISRO CS 2013 | Question 10

  • Last Updated : 15 May, 2018

If the frame buffer has 8 bits per pixel and 8 bits are allocated for each of the R, G, B components, what would be the size of the lookup table?
(A) 24 bytes
(B) 1024 bytes

(C) 768 bytes

(D) 256 bytes


Answer: (D)

Explanation: Number of indexes the framebuffer = 28 = 256
Size of each entry = 8 bits for R component + 8 bits for G component + 8 bits for B component = 24 bits = 3 Bytes
Size of frame buffer = 256 * 3 = 768 Bytes

Option (C) is correct.

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