What does 4k Ultra HD TV mean?

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Tags

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2. #million
3. #times
4. #total
5. #clearer
6. #resolution
7. #known
8. #pixels
9. #should
10. #having
11. #means
12. #density
13. #ultra
14. #pixel
15. #better
16. #about
17. #refers
18. #higher
19. #picture