PHYSICAL LAYER AND TRANSMISSION MEDIA
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In ____ transmission, bits are transmitted simultaneously, each across its own wire.
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Asynchronous serial
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Synchronous serial
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Parallel
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(a) and (b)
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Explanation:
Detailed explanation-1: -Parallel transmission is where bits are sent simultaneously over their own individual channel.
Detailed explanation-2: -The Serial data transmission mode is a mode in which the data bits are sent serially one after the other at a time over the transmission channel. It needs a single transmission line for communication.
Detailed explanation-3: -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.
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