Signal Definition and Characteristics
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Questions and Answers

What is a signal?

  • A discrete variation of electrical amplitude
  • A continuous variation of electrical amplitude
  • A physical representation of information passing through a system from source to recipient (correct)
  • A digital representation of information passing through a system

    • Which best describes an analog signal?

  • It varies continuously over time (correct)
  • It is much easier to process with computers
  • It varies discretely over time
  • It consists of a succession of zero and one

    • What is a digital signal?

  • It varies discretely over time and consists of a succession of zero and one (correct)
  • It consists of a continuous variation of electrical amplitude
  • It varies continuously over time
  • It is the true image of the signal to be processed

    • What is the process called for the digital conversion of an analog signal?

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

    What does quantification involve in the digital conversion process?

    <p>$Measuring$ the samples on a certain number of bits</p> Signup and view all the answers

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