PHYSICAL LAYER AND TRANSMISSION MEDIA
DIGITAL TRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Modulation is converting
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Digital signal to Analog data
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Analog signal to Digital signal
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Digital data to Analog data
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Digital Data to Analog signal
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Explanation:
Detailed explanation-1: -Digital-to-Analog conversion or digital-to-analog modulation is the phase of converting one of the features of an analog signal depending on the data in a digital signal (0s and 1s) when we communicate information from one system to another across a public access phone line.
Detailed explanation-2: -Of them all, the digital modulation technique used is Pulse Code Modulation (PCM).
Detailed explanation-3: -Modulation is the process of converting data into radio waves by adding information to an electronic or optical carrier signal.
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