A normal HDMI signal has a colour depth of 8 bits per each of RGB colour. The maximum number of different colours is:
A. 33,554,432
B 16.777.216
C. 8,388,608
D. 4.194,304​

B

Explanation:

if each color can be represented as 8 bits and you have 3 colors total that would mean you would need 24 bits to represent the entirety of the RGB spectrum. And each bit can either be on or off so you have two choices for each one. So the total amount of colors you can have for 8bit RGB would be which is 16,777,216.

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i think the answer is a or d