Question

What is synchronous and asynchronous transmission?

Answer 1

Synchronous transmission is a data transfer method which is characterized by a continuous stream of data in the form of signals which are accompanied by regular timing signals which are generated by some external clocking mechanism meant to ensure that both the sender and receiver are synchronized with each other.


Asynchronous transmission is the transmission of data in which each character is a self-contained unit with its own start and stop bits and an uneven interval between them.
Asynchronous transmission is also referred to as start/stop transmission.

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Answer 2

1. In synchronous transmission, the sender and receiver take some time to communicate before they make the exchange.

In Asynchronous transmission, the sender and receiver do not establish the parameters of the information exchange.


2. Synchronous transmission speed is fast.
  
    Asynchronous transmission speed is slow.



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