Homework Help: Questions and Answers: Computer screens can have millions of pixels each of which displays three colors of light Each color is controlled by a series of 1s and 0s. One color is green and another is red. What is the third color?
a) blue
b) yellow
c) white
d) black
Answer:
First, let’s understand the question: Its about the third color is in the combination of red, green, and another color on computer screens, where each pixel displays three colors controlled by 1s and 0s.
Pixels on a computer screen
Each pixel on a screen is made up of smaller units called subpixels, and these subpixels can display different colors by combining red, green, and blue light. These are known as the primary colors of light in the RGB (Red, Green, Blue) color model.
How the colors are controlled
The colors on the screen are controlled by combinations of binary numbers (1s and 0s). Each subpixel (red, green, or blue) can be adjusted in intensity by a sequence of these 1s and 0s.
Given Options: Step by Step Answering
a) Blue
- This is correct, because blue is the third primary color in the RGB color model used by screens.
b) Yellow
- This is incorrect, yellow is a secondary color (a combination of red and green light).
c) White
- This is also incorrect, white is the combination of red, green, and blue light at full intensity.
d) Black
- This is as well incorrect, black occurs when no light is emitted.
Final Answer
Based on the above analysis, the correct answer is:
a) blue
The third color in the RGB model, along with red and green, is blue.
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