What is horizontal sync pulse?

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Tags

1. #signal
2. #between
3. #single
4. #which
5. #every
6. #defined
7. #video
8. #before
9. #porch
10. #displayed
11. #start
12. #intervals
13. #indicates
14. #front
15. #timing
16. #after
17. #horizontal
18. #short
19. #pulse