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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Line coding, block coding and scrambling are conversion techniques for
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Analog to analog conversion
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Analog to digital conversion
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Digital to analog conversion
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Digital to digital conversion
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Explanation:
Detailed explanation-1: -The conversion involves three techniques: line coding, block coding, and scrambling. Line coding is always needed; block coding and scrambling mayor may not be needed. Line coding is the process of converting digital data to digital signals.
Detailed explanation-2: -The Digital to Digital conversion involves three different techniques including Line Coding, Block coding and Scrambling.
Detailed explanation-3: -Block Coding – unlike line codes which operate on a stream of. information bits, block codes operate on block. of information bits. • redundant bit(s) are added to each block of information. bits to ensure synchronization and error detection.
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