What is a CMOS battery?

Related questions

1. Will a computer work without a CMOS battery?
2. What happen if BIOS corrupt?
3. What if CMOS battery fails?
4. Why is checksum important?
5. What causes CMOS battery failure?
6. What does the CMOS battery do?
7. How does a checksum detect errors?
8. What is RTC reset?
9. What causes a corrupt operating system?
10. What does System CMOS checksum bad mean?

Tags

1. #short
2. #stores
3. #volatile
4. #powered
5. #board
6. #semiconductor
7. #computers
8. #clock
9. #metal
10. #complementary
11. #oxide
12. #inside
13. #information
14. #alternatively
15. #referred
16. #nvram
17. #battery