What is difference between synchronous and asynchronous?

Related questions

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2. How does serial port communication work?
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5. Which devices use parallel ports?
6. What is TX vs RX?
7. What is difference between serial and parallel ports?
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Tags

1. #signal
2. #clock
3. #indicates
4. #which
5. #parity
6. #sender
7. #overhead
8. #lower
9. #synchronous
10. #transmission
11. #start
12. #receiver
13. #asynchronous
14. #compared
15. #whereas
16. #efficient
17. #require
18. #attached