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Q4/Answer (four) from the following: 1- Give the reasons of using Digital communication systems? 2- why the noise in PPM is low? Then compare between PPM with PAM? 3- what are the applications of PAM? 4- Compare between FDM and TDM?

Q4/Answer (four) from the following: 1- Give the reasons of using Digital communication systems? 2- why the noise in PPM is low? Then compare between PPM with PAM? 3- what are the applications of PAM? 4- Compare between FDM and TDM?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q4/Answer (four) from the following: 1- Give the reasons of using Digital communication systems? 2- why the noise in PPM is low? Then compare between PPM with PAM? 3- what are the applications of PAM? 4- Compare between FDM and TDM? 5- Why guard bands are used in FDM?
Transcribed Image Text:Q4/Answer (four) from the following: 1- Give the reasons of using Digital communication systems? 2- why the noise in PPM is low? Then compare between PPM with PAM? 3- what are the applications of PAM? 4- Compare between FDM and TDM? 5- Why guard bands are used in FDM?
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