Electronic Communications A System Approach Actual Test Questions And Solutions Comprehensive Review Package

ELECTRONIC COMMUNICATIONS A SYSTEM
APPROACH ACTUAL TEST QUESTIONS
AND SOLUTIONS COMPREHENSIVE
REVIEW PACKAGE

●● language; distance
Answer: What are the two main barriers to human communication?


●● communicating over long distances
Answer: What is another problem or barrier to human communication?


●● face-to-face encounters
Answer: Communication between early human beings was limited to
________.


●● long-distance communication
Answer: first accomplished by sending simple signals such as
drumbeats, horn blasts, and smoke signals and later by waving signal
flags (semaphores).


●● human runner, horseback, ship, trains

, Answer: long-distance communication was limited to the sending of
verbal or written messages by ________, ________, ______, and later
_______.


●● 1844; Samuel Morse
Answer: When we the telegraph invented? Also, who invented it?


●● 1876; Alexander Graham Bell
Answer: When was the telephone invented? Also, who invented it?


●● 1887, 1895; Heinrich Hertz
Answer: When was the radio invented and demonstrated? Also, who
invented it?


●● info > transmitter > channel(noise) > receiver > info
Answer: The flow of electronic communication


●● transmitter, channel, receiver
Answer: All electronic communication systems have these.


●● information (intelligence)
Answer: it's generated by a computer/electronic current. aka message.