Poll Everywhere lets your audience respond using text messages (SMS), Twitter, or the web in real-time. The best part is you can embed live audience responses and live charts right inside your Microsoft PowerPoint presentation, free!

________ interference is a type of signal interference in wired transmission media that can be caused by fluorescent lights or machinery with motors or transformers.

Poll responses are kept private

  • Crosstalk
  • Electromagnetic
  • Transitional
  • Radio Frequency Interference
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