What is the difference between yuv420 and RGB?

Related questions

1. Is YPbPr the same as RGB?
2. Is coaxial or optical better for audio?
3. What is luminance and chrominance?
4. What's better coaxial cable or HDMI?
5. What are the yellow white and red cables for?
6. What are Pb and Pr inputs?
7. What color jack is audio?
8. What is YUV format?
9. Can I use coaxial cable for audio?
10. What does Y PB CB PR CR stand for?

Tags

1. #quality
2. #yourself
3. #concern
4. #colour
5. #better
6. #signal
7. #supports
8. #2160p
9. #yuv420
10. #difference