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Start and stop bits are used in serial communication for

  • A.error detection
  • B.error correction
  • C.synchronization
  • D.slowing down the communication

Answer: C

Correct answer: synchronization

In asynchronous serial transmission the receiver has no clock from the sender, so each character is framed by a start bit that marks its beginning and a stop bit that returns the line to idle. They carry no data and exist only to keep the receiver in step.

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