Radio Broadcasting Basics

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Questions and Answers

What is the primary purpose of radio broadcasting?

  • To convey information, entertainment, news, and education in audio form (correct)
  • To provide a platform for entertainment only
  • To transmit visual signals over the internet
  • To connect with people in a specific geographical location

What type of modulation is used in AM radio broadcasting?

  • Frequency modulation
  • Pulse modulation
  • Digital modulation
  • Amplitude modulation (correct)

What is the function of a radio transmitter in radio broadcasting?

  • To receive the carrier signal and decode it
  • To encode the audio signal as a carrier signal and transmit it (correct)
  • To transmit the audio signal directly
  • To amplify the audio signal

What is the characteristic of electromagnetic radio waves used in radio broadcasting?

<p>They are invisible to the eye (C)</p> Signup and view all the answers

What are the different types of radio broadcasting mentioned in the text?

<p>AM, FM, DAB, and internet streaming (A)</p> Signup and view all the answers

What is the main difference between FM and AM radio broadcasting?

<p>FM changes the frequency of the carrier wave, while AM changes the amplitude. (D)</p> Signup and view all the answers

How does DAB (Digital Audio Broadcasting) differ from AM and FM?

<p>DAB breaks down an audio signal into fragments and encodes it into numbers. (B)</p> Signup and view all the answers

What is an advantage of internet radio broadcasting over traditional radio broadcasting?

<p>Internet radio is typically cheaper than traditional radio. (C)</p> Signup and view all the answers

What is one of the importance of radio broadcasting in remote areas?

<p>It reaches remote areas where other forms of communication may not be available. (B)</p> Signup and view all the answers

What is one of the ways in which radio broadcasting preserves cultural heritage?

<p>It airs music and programming that reflect the diversity of communities. (D)</p> Signup and view all the answers

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