A disadvantage of the telegraph was
A) it could not carry human voices
B) it only received short wave
C) it required vacuum tubes to operate
D) all of these
Correct Answer:
Verified
Q1: On average, Americans listen to radio about
Q2: The electronic era began with
A) the invention
Q4: The range of frequencies that can be
Q5: A telegraph code where each letter is
Q6: The "father of radio" was
A) Thomas Edison
B)
Q7: What branch of the U.S. government took
Q8: The concept of people and companies paying
Q9: Radio networks are linked by
A) the Internet
B)
Q10: The Radio Act of 1912 was passed
Q11: The requirement of broadcasters to operate in
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