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Question

Start and stop bits do not contain an "information" but are used in serial communication for

A
Error correction
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B
Error detection
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C
Synchronization
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D
Slowing down the communication
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Solution

The correct option is C Synchronization

Start and stop bits do not contain an "information" but are used in serial communication for synchronization.

Start and stop bits:-

The stop bit is used to signal the end of a frame. The data is contained in the data bits and the parity bit is an extra bit that is often used to detect transmission errors. Asynchronous serial protocols usually require that information bits be transmitted at regular time intervals.

The bit that signals the receiver that data is coming. Every byte of data is preceded by a start bit and followed by a stop bit.

Serial communication:-

Serial communicationis the process of sending data one bit at a time, sequentially, over a communication channel or computer bus. This is in contrast to parallel communication, where several bits are sent as a whole, on a link with several parallel channels.


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