What is the role of CMOS in modern computers?

Related questions

1. Why CMOS battery is used in motherboard?
2. What happens when the CMOS battery fails?
3. Why do I need to clear CMOS?
4. Is the CMOS battery important?
5. How long should a CMOS battery last?
6. Will a computer boot without a hard drive?
7. Does resetting CMOS delete BIOS?
8. Can a CMOS battery die?
9. How do I reboot and select proper boot device on Asus?
10. Will a computer start without a hard drive?

Tags

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2. #video
3. #processor
4. #however
5. #other
6. #provide
7. #components
8. #ports
9. #except
10. #motherboard
11. #power
12. #constant
13. #sound
14. #communicate
15. #between
16. #hardware
17. #drive
18. #computer
19. #battery