Why is comparator needed?

Related questions

1. How does an XOR gate work?
2. What is XOR gate truth table?
3. What is the function of encoder?
4. Are XOR and XNOR universal gates?
5. What is the difference between basic gates and universal gates?
6. What is the purpose of a truth table?
7. Is XOR a universal gate?
8. How many transistors are in XOR gate?
9. Where are comparators used?
10. Why do we use truth tables?

Tags

1. #comparator
2. #amplifier
3. #voltages
4. #result
5. #digital
6. #output
7. #level
8. #electronics
9. #compare
10. #needed
11. #comparison
12. #circuit
13. #firmly
14. #often
15. #changes
16. #within
17. #small
18. #input
19. #switching
20. #dependent
21. #circuits