Codes in a Song—Modems

This Codes in a Song—Modems activity & project also includes:

Let's listen to some codes. To understand how a modem sends binary numbers over a phone line, class member listen to the codes included in the provided mp3 files, translates the tones to binary numbers and then convert the binary numbers to letters that send a message.

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Instructional Ideas

  • Introduce binary numbers to the class before this activity
  • Identify the different ways the video sends codes and have groups work on only one method
Classroom Considerations

  • Younger learners may find it difficult to find the message in the video

  • The audio methods are a unique way to show binary digits
  • Provides the translation from numbers to letters

  • There are no answer keys for the audio files or the video