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3.2. Wireless Media
This section
Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
Define radio waves.
Hint
Think about what you hear when you listen to the radio.
- 2.
List two applications of microwaves.
Hint
Consider the gadgets you use daily.
- 3.
What type of wave is used predominantly for radio broadcasting?
- Microwaves
- Radio Waves
- Infrared
Hint
Think about what you listen to on the radio.
- 4.
True or False: Infrared communication can work through walls.
- True
- False
Hint
Consider the operation of a remote control.
- 5.
Given a scenario where a town plans to implement a new broadcasting station, what considerations should be made regarding the choice between radio waves and microwaves?
Hint
Think about the geographical area and audience reach.
- 6.
Design a toy that uses infrared technology for communication with a parent unit. What constraints must you consider for functionality?
Hint
Imagine how you use remote controls at home.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting