Answered: The best preferred method of…

The best preferred method of communication within the public switched telephone Network (PSTN) is ; a. DPCM b. PCM C. PWM d. DM

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter25: Television, Telephone, And Low-voltage Signal Systems

Section25.1: Television Circuit

Problem 15R

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Fiber Optics

Fiber optics is a technology used to transmit the facts such as light or pulses with fiber or plastic over long distances. Visual fibers are about the width of a human hair strand and, when tied directly to a fiber-optic cable, can transmit multiple long-distance records and faster in different ways.

Question

Telecommunications engineering

The best preferred method of communication within the public switched telephone Network
(PSTN) is ;
a. DPCM
b. PCM
C. PWM
d. DM

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