Multiple Choice
One advantage of fiber-optic cable is that
A) its high capacity makes it perfect for handling digitally processed information.
B) much attenuation occurs, increasing the number of repeater amplifiers.
C) down-converters translate the information into ranges usable by TV sets.
D) telemetering devices convey transmissions far more rapidly than copper.
E) transponders amplify weak signals as they transverse optical fiber.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Explain how major international events such as
Q3: The Internet network resembles a<br>A)satellite distribution system.<br>B)television
Q4: Describe how cable systems bring signals into
Q5: What are the advantages of fiber-optics over
Q6: Cable television is able to distribute a
Q8: _ will eventually replace most of the
Q9: Cable systems avoid problems of signal interference
Q10: Satellites that appear to be suspended over
Q11: Each satellite needs two groups of frequencies,
Q12: Microwave relays are used in broadcasting for<br>A)signal