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Question

In serial, asynchronous transmissions, the __________ bit is used to signal the end of the character within the data frame.

A
Start
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B
Stop
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C
Parity
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D
Data
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E
None of the above
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Solution

The correct option is B Stop

In serial, asynchronous transmissions, the Stop bit is used to signal the end of the character within the data frame.

Asynchronous serial communication is a form of serial communication in which the communicating endpoints' interfaces are not continuously synchronized by a common clock signal. Instead of a common synchronization signal, the data stream contains synchronization information in form of start and stop signals, before and after each unit of transmission, respectively. The start signal prepares the receiver for arrival of data and the stop signal resets its state to enable triggering of a new sequence.


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