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      Question

      How many colours is used while making a pixel in

      computer screen?
      A 3 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 5 Correct Answer Incorrect Answer
      D 6 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Each pixel on a computer screen is composed of three small dots of compounds called phosphors surrounded by a black mask. The three separate phosphors produce red, green, and blue light, respectively.

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