What is the difference between HD FHD and 4k?

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Tags

1. #relative
2. #image
3. #ultra
4. #official
5. #definition
6. #should
7. #illustrating
8. #short
9. #except
10. #display
11. #labelled
12. #diagram
13. #2160p
14. #resolution
15. #1080p
16. #called
17. #quadruples