Data and Signals

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Questions and Answers

Which type of signal has an infinite number of values?

  • Nonperiodic signals
  • Digital signals
  • Analog signals (correct)
  • Periodic signals

What type of signal completes a pattern within a measurable time frame and repeats that pattern over subsequent identical periods?

  • Periodic signals (correct)
  • Analog signals
  • Nonperiodic signals
  • Digital signals

How many values or bits are used to represent digital signals?

  • Three (3)
  • One (1)
  • Two (2) (correct)
  • Four (4)

Which term is directly related to the frequency of a given waveform?

<p>Wavelength (B)</p> Signup and view all the answers

Which type of signal changes without exhibiting a pattern or cycle that repeats over time?

<p>Nonperiodic signals (C)</p> Signup and view all the answers

Which type of signals have an infinite number of values?

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

Which type of signals are predominantly binary in nature?

<p>Digital signals (C)</p> Signup and view all the answers

What is the completion of one full pattern of a periodic signal called?

<p>Cycle (A)</p> Signup and view all the answers

What type of signal changes without exhibiting a pattern or cycle that repeats over time?

<p>Nonperiodic signal (C)</p> Signup and view all the answers

What is wavelength directly related to?

<p>Frequency (A)</p> Signup and view all the answers

Analog signals, which include speech, audio, and video, have an infinite number of ______.

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

Digital signals are predominantly ______ in nature and thus are represented by two (2) values or bits: 0 and 1.

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

Both analog and digital signals can take one of two (2) forms: ______ signal – It completes a pattern within a measurable time frame, called a period, and repeats that pattern over subsequent identical periods.

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

Both analog and digital signals can be ______ or nonperiodic.

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

Wavelength is directly related to the ______ of a given waveform.

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

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