COMPUTER NETWORKING

PHYSICAL LAYER AND TRANSMISSION MEDIA

DIGITAL TRANSMISSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Timing becomes very important in which transmission method?
A
Parallel
B
Synchronous
C
Asynchronous
D
Isochronous
Explanation: 

Detailed explanation-1: -Synchronous data transmission is a data transfer method in which a continuous stream of data signals is accompanied by timing signals (generated by an electronic clock) to ensure that the transmitter and the receiver are in step (synchronized) with one another.

Detailed explanation-2: -Synchronous transmission is transmission of signals in a fixed interval based on a predefined clocking signal and is meant for constant and reliable transmission of time-sensitive data such as VoIP and audio/video streaming.

Detailed explanation-3: -What is Asynchronous Transmission? Asynchronous transmission, sometimes referred to as start/stop transmission, involves sending data to the receiver using the flow control method. Data is synchronized between the sender and the receiver without the use of a clock. Data is transmitted one character or 8 bits at a time.

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