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Sound Representation: Modems Unplugged


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    Computer Science Unplugged

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Sound Representation: Modems Unplugged

In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video. This is an excellent follow-up activity to an introduction to binary numbers. Additional activities and background information about modems are included on page 3 of the PDF.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
free

Age Range:
Ages 6 - 18

Resource Types:
Activity, Lesson/Lesson Plan, Simulation

Language:
English

Subjects


  • Engineering and Technology
    • Computing
      • Computer Science
      • Information Systems
      • Information Technology
    • Engineering
      • Computer Engineering
    • Technology
      • Information and Communication
  • Mathematics
    • Algebra
      • Patterns
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
      • Data Representation
    • Number and Operations
      • Number Systems
    • Problem Solving
    • Representation
  • Physical Sciences
    • Vibration and Waves
      • Sound
  • The Nature of Technology
    • Technology and Society
      • Impacts of Technology

Informal Categories


  • Computers
  • Music

Audience


To use this activity, learners need to:

  • see
  • read
  • hear
  • use keyboard
  • use mouse

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities
  • Involves hands-on or lab activities

Other


Components that are part of this resource:

Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access

By:

  • Bell, Tim; Witten, Ian; Fellows, Mike; Adams, Robyn; McKenzie, Jane

Rights:

Funding Sources:

  • Brian Mason Scientific and Technical Trust
  • Google Inc.

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