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English Exercises for Telecom Students by duc_truong_6 is a document available to read on EtoBox.

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This document provides a summary of analogue and digital telephone networks. It explains that digital technology has been used in telephone exchanges for a long time through the use of relays that are either on or off. What is new is transmitting speech digitally by converting sounds into digits. Digital transmission is superior to analogue transmission because digits can still be interpreted even if distorted by noise, whereas noise is amplified at each stage in analogue lines. Digital signals are regenera

Author

duc_truong_6

Language

EN