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COM 2400 Final Exam- WMU Certification Review Exam Questions With Well Defined Answers.
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Definition of Communication - correct answer Communication at a distance Telecom in Pre-Electricity - correct answer Pony express, drums, smoke signals, semaphore flags Shannon-Weaver Model - correct answer ...

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COM 2400 Final Exam- WMU

Definition of Communication - correct answer Communication at a distance



Telecom in Pre-Electricity - correct answer Pony express, drums, smoke signals,
semaphore flags



Shannon-Weaver Model - correct answer Message from a sender is encoded into a
medium and the encoded message is sent out through a channel to a receiver



Telegraph - correct answer Distance writer



Telegraph speed - correct answer Speed of light, 186,000



How the telegraph works - correct answer Wire between two places, broke up a
stady flow of electronic current in different sequences by pressing down a lever



Morse Code - correct answer Dots and dashes, used for telegraph



Telegraph Inventor - correct answer Samuel Morse



Needle Telegraph - correct answer needle points to letters, created by Charles
Wheatstone and William cooke



First Telegraph Network - correct answer First telegraph between Baltimore and DC



Importance of networks - correct answer Devices are worthless without being
connected to other devices

,Western Union - correct answer Founded in 1851, monopoly over telegraph



Submarine Telegraph - correct answer Wires under ocean, using Gutt Percha sap to
insulate wires, Promoted by Great Britain to connect to colonies



Atlantic Cable - correct answer Cyrus Field- Us to Europe in 1866



Wire Services - correct answer New agencies, wire news to smaller local
newspapers



Examples of Wire Services - correct answer Havas, Reuters, Associated Press



How a Telephone Works - correct answer Sound energy from the human voice is
converted into a corresponding electric current. Electric current travels through the wires, than is
converted back into sound on the other end



Telephone System - correct answer Each subscriber connected to a central
switchboard, telephone operators mans that switchboard to connect people to one another



Common Carrier - correct answer Service is provided to the public on a
nondiscriminatory basis



Telephone Inventors - correct answer Alexander Graham Bell and Thomas Watson;
Elisha Gray worked on a similar invention



Gardiner Green Hubbard - correct answer Funded Alexander Bell- went to patent
office to register the invention an hour before Elisha Gray did



Western Union & Telephone - correct answer Bell and Hubbard wanted to sell
invention to Western Union, but they refused. Later they tried to use Elisha Gray's invention and were
sued by Bell.

, Western Electric - correct answer AT&T's manufacturing company



Bell Telephone Labs - correct answer Research and development for AT&T



AT&T Founding - correct answer Started as a long-distance service for Bell
Telephone Company- AT&T became the major company in 1901



Telephone Monopoly - correct answer AT&T held a monopoly over telephones by
buying out other companies and refusing to connect



Theodore Vail and Universal Service - correct answer Head of AT&T in 1907,
believed telephone should be one system, one policy, universal service



Break up of AT&T 1913 - correct answer 1913, company went to court told to stop
anti-competitive pratices



Modified Final Judgement 1984 - correct answer AT&T in court again, all telephone
services were separated into local or long distance, AT&T forced to keep just long distance and divulge
Baby Bells



Regional Bell Operating Companies - correct answer Baby bells, 22 regional
companies, broken up into independent companies after the modified final judgement



Telephone Business after 1996 - correct answer No longer a distinction between
local and long distance, Cellphone and internet based telephone become popular and broke off landline
telephone markets



Scientist who devleoped Electromagnetic Waves - correct answer Heinrich Herts
proves existence, James Maxwell theorized it



Wireless Telegraph Inventor - correct answer Guglielmo Marconi

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