Ten100: Chapter 27 Assignment

13 Questions | Attempts: 189

Internet Quizzes & Trivia

Questions and Answers
  • 1. 
    When Alex arrived in Alaska in 1970, why didn't people in the Alaskan bush have telecommunications services? How did rural Alaskans communicate over long distances?
  • 2. 
    How did Alex draw on his earlier work when developing Wi-Fi technology?
  • 3. 
    Why wouldn't shortwave communications problem in rural Alaska? How did satellites solve the problem?
  • 4. 
    What is the frequency of the broadcast by your favorite radio station?
  • 5. 
    Some rural Alaskan villages are not on the Alaskan power distribution grid. List a few ways that the towns might power the communications technologies they now use.
  • 6. 
    _____________ is often described as waves of energy. It is very useful for transmitting information because it travels fast.
  • 7. 
    A ____________ is one complete wave, labeled as the distance from the peak of the wave to the next peak.
  • 8. 
    Radio waves have the lowest _____________.
  • 9. 
    ____________ is the length of waves per second.
  • 10. 
    As the frequency of a wave increases, its wavelength _____________, and vice versa.
  • 11. 
    Short radio can travel long distances by bouncing off a layer of the atmosphere called the _____________.
  • 12. 
    Satellites operate on a frequency of four to six ___________.
  • 13. 
    In 1993, a new technology was created at Carnegie Mellon University called Wireless Andrew, which is today known as ___________.
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