What is RGB?.

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Presentation transcript:

What is RGB?

Warm Up: AP Question D

Images, Pixels and RGB Follow along with the video and answer the questions when you hear them https://studio.code.org/s/csp2/stage/4/puzzle/2

1. Why were images first broken down into pixels 1. Why were images first broken down into pixels? What problem did this solve? 2. How many different values can be represented by one Red component of a pixel? 3. What are screen resolution and pixel density? How do they differ? Draw a diagram to support your answer. 4. Why do RGB values range from 0 to 255? (& Is it possible to represent all of the colors in the world? Why or why not?) 5. Describe a function that would take in any RGB value and double its intensity. What do you think happens if the input is 200, 220, 209?

Go to https://studio.code.org/s/csp2 Make an account Use your school email? Click on Lesson 3: B&W