How does a checksum work?

Related questions

1. Can a checksum identify where an error occurs?
2. Why is checksum important?
3. What happen if BIOS corrupt?
4. What is a CMOS battery?
5. What does a BIOS update do?
6. Will a computer boot without a CMOS battery?
7. What is checksum error detection?
8. What does System CMOS checksum bad mean?
9. Will dead CMOS battery prevent boot?
10. What causes CMOS battery failure?

Tags

1. #single
2. #algorithm
3. #generate
4. #genuine
5. #checksum
6. #source
7. #helps
8. #running
9. #version
10. #piece
11. #usually
12. #error
13. #called
14. #ensure
15. #cryptographic
16. #comparing
17. #provided
18. #outcome
19. #function