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The asynchronous communication method is generally employed to illustrate communications wherein data could be sent intermittently instead of sending it in a steady stream. Asynchronous communication is supported by nearly all types of computers. The most important benefit of asynchronous communication is that the receiver clock and the transmitter are independent and not synchronized.
Asynchronous communications include the following:
Asynchronous communications require that the receiver have the ability to differentiate between noise (random signals) and valid data. In communications triggered by computers, this is typically achieved by using special bits at the start and end of every message.
Characteristics of asynchronous communication: