Analog Signals and Signal Transmission Quiz
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Questions and Answers

What is the primary advantage of using analog signals?

  • Analog signals are easier to process and generate.
  • Analog signals require less bandwidth than digital signals.
  • Analog signals are less susceptible to noise and distortion.
  • Analog signals are better suited for transmitting audio and video data. (correct)
  • Which of the following statements about analog signals is true?

  • Analog signals require more bandwidth than digital signals.
  • Analog signals are more sensitive to electrical tolerances than digital signals.
  • Analog signals have a higher information density than digital signals. (correct)
  • Analog signals cannot represent physical phenomena accurately.
  • What is the primary disadvantage of using analog signals?

  • Analog signals require more bandwidth than digital signals.
  • Analog signals are more complex to process than digital signals.
  • Analog signals are more susceptible to noise and distortion. (correct)
  • Analog signals are less suitable for transmitting audio and video data.
  • Which of the following is an example of an analog signal?

    <p>Human voice</p> Signup and view all the answers

    What is the primary advantage of using digital signals over analog signals?

    <p>Digital signals are less susceptible to noise and distortion.</p> Signup and view all the answers

    Which of the following frequency ranges is associated with AM radio, an analog signal?

    <p>540 kHz to 1600 kHz</p> Signup and view all the answers

    What is a disadvantage of using digital signals in communication systems compared to analog signals?

    <p>Higher power dissipation</p> Signup and view all the answers

    What is a characteristic of Full Duplex (FDX) transmission in digital communication?

    <p>Both parties can transmit simultaneously</p> Signup and view all the answers

    What distinguishes Half Duplex (HDX) transmission from Full Duplex (FDX) transmission?

    <p>Only one party can transmit at a time</p> Signup and view all the answers

    Why do digital systems typically require a higher bandwidth for communication compared to analog systems?

    <p>More accurate error detection</p> Signup and view all the answers

    How are digital signals advantageous over analog signals when it comes to storage?

    <p>They can be stored using semiconductor chips</p> Signup and view all the answers

    What is a characteristic of Simplex (SX) mode of transmission in digital communication?

    <p>Unidirectional communication</p> Signup and view all the answers

    Which of the following is NOT a disadvantage of using analog signals and analog signal processing?

    <p>Analog signals have higher immunity to noise and distortion compared to digital signals</p> Signup and view all the answers

    In digital communication, what is the original information converted into before being transmitted?

    <p>A string of bits (digital information)</p> Signup and view all the answers

    Which of the following is an example of an analog signal source?

    <p>Output of a microphone</p> Signup and view all the answers

    What is a character in the context of digital communication?

    <p>A member of an alphanumeric/symbol set (A to Z, 0 to 9)</p> Signup and view all the answers

    Which of the following is used to map characters into a sequence of binary digits?

    <p>Both ASCII and EBCDIC</p> Signup and view all the answers

    What is the primary difference between analog and digital signals?

    <p>Digital signals are continuous, while analog signals are non-continuous</p> Signup and view all the answers

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