Podcast
Questions and Answers
What unit is used to measure the frequency of a wave?
What unit is used to measure the frequency of a wave?
- Hertz (correct)
- Joule
- Watt
- Volt
Which frequency band is a common WiFi band used for communication?
Which frequency band is a common WiFi band used for communication?
- 4 GHz
- 3 GHz
- 5 GHz (correct)
- 7 GHz
What does amplitude modulation (AM) mainly modulate when transmitting a signal?
What does amplitude modulation (AM) mainly modulate when transmitting a signal?
- Speed
- Phase
- Frequency
- Amplitude (correct)
In information theory, what does a signal represent?
In information theory, what does a signal represent?
What is the process of varying the carrier wave frequency in accordance with the modulating signal called?
What is the process of varying the carrier wave frequency in accordance with the modulating signal called?
What does demodulation involve in a communication system?
What does demodulation involve in a communication system?
Why was frequency modulation (FM) originally introduced?
Why was frequency modulation (FM) originally introduced?
Who developed FM (frequency modulation) radio?
Who developed FM (frequency modulation) radio?
Which individual is known for discovering amplitude modulation (AM) radio?
Which individual is known for discovering amplitude modulation (AM) radio?
What is the main advantage of frequency modulation (FM) over amplitude modulation (AM)?
What is the main advantage of frequency modulation (FM) over amplitude modulation (AM)?
In communication systems, what does a channel refer to?
In communication systems, what does a channel refer to?
How is the capacity of a communication channel often measured?
How is the capacity of a communication channel often measured?
