Digital Communications and Data Transmission Quiz
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Questions and Answers

Which type of signals are generally analog in nature?

  • Digital signals
  • Optical signals
  • Analog signals (correct)
  • Wireless signals

    • What are the problems associated with analog signals in long distance communications?

  • Clarity, accuracy, and security breach
  • Clarity, accuracy, and interference
  • Distortion, interference, and security breach (correct)
  • Distortion, interference, and accuracy

    • Why are signals digitized using different techniques?

  • To reduce interference
  • To overcome losses and problems associated with analog signals (correct)
  • To increase security
  • To improve clarity and accuracy

    • What type of messages are characterized by data whose values vary over a continuous time range?

    <p>Analog messages</p> Signup and view all the answers

    What do digitized signals allow in communication?

    <p>Clear and accurate communication without any losses</p> Signup and view all the answers

    Which type of signals are generally analog in nature?

    <p>Analog signals</p> Signup and view all the answers

    What are the problems associated with analog signals in long distance communications?

    <p>Distortion and interference</p> Signup and view all the answers

    Why are signals digitized using different techniques?

    <p>To overcome problems associated with analog signals</p> Signup and view all the answers

    What do digitized signals allow in communication?

    <p>Clear and accurate communication</p> Signup and view all the answers

    What type of messages are characterized by data whose values vary over a continuous time range?

    <p>Analog messages</p> Signup and view all the answers

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