English
English, 14.05.2021 04:00, Sk8terkaylee

Answer the following questions based on the article in “part one” on the last page of lesson 5.07. Electromagnetic waves can carry more data at higher frequencies. Why would a scientist opt to transmit data at a lower frequency instead?
What are the limitations of sending information using electromagnetic waves?
What are the differences between analog and digital signals?
What are the advantages of using digital signals over analog signals?
Using reliable internet sources, identify three ways we use analog and digital signals in our everyday lives.



Answer the following questions based on the video in “part two” on the last page of lesson 5.07.

Describe how radio telescopes are used to explore space.
How are radio waves used on Earth?
Why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (Hint: What did the article say about the advantages of digital signals?)

answer
Answers: 2

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Answer the following questions based on the article in “part one” on the last page of lesson 5.07....

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