Mastering the Basics of Digital Communication Systems
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Questions and Answers

Which type of communication involves transmitting signals over short distances?

  • Smoke signals
  • Radio
  • Speech (correct)
  • Telephone

    • Which topic is NOT covered in Unit 1 of the course?

  • Parallel and Serial Transmission (correct)
  • Digital and Data Communications
  • Transmission Schemes
  • Digital Codes

    • What is the function of modulation in digital communication systems?

  • To encode data for secure transmission
  • To decode received signals
  • To transmit signals over long distances
  • To convert digital signals into analog signals (correct)

    • What is the purpose of coding in digital communication systems?

    <p>To detect and correct errors in received signals</p> Signup and view all the answers

    Which of the following is an example of long distance communication?

    <p>Telephone</p> Signup and view all the answers

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