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Question

A one-bit signal that indicates the start of data transmission by an asynchronous device is?

A
Parity bit
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B
Status bit
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C
Zero bit
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D
Start bit
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E
None of the above
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Solution

The correct option is D Start bit

A one-bit signal that indicates the start of data transmission by an asynchronous device is Start bit

Parallel devices have a wider data bus than serial devices and can therefore transfer data in words of one or more bytes at a time. As a result, there is a speedup in parallel transmission bit rate over serial transmission bit rate.

In telecommunication and data transmission, serial communication is 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.

Data transmission refers to the process of transferring data between two or more digital devices. Data is transmitted from one device to another in analog or digital format. Basically, data transmission enables devices or components within devices to speak to each other.


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