EdX

Data Representation in Computing: Bring Data to Life (edX)

Offered by Raspberry Pi Foundation,
Data Representation in Computing: Bring Data to Life (edX)

Learn how data is represented through media; audio, visual and text. This online course from the Raspberry Pi Foundation explores how computers do interesting things with data. You'll discover how to represent and manipulate text, images and sound and compression and other algorithms.

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What you'll learn

  • Over the following three weeks, you will:
  • Describe how computers represent things in binary
  • Explain common text encoding (ASCII and UTF-8)
  • Investigate the physics of sound, and how sampling allows computers to represent sounds
  • Compare lossy and lossless compression
  • Evaluate whether to use a bitmap or a vector image

Syllabus

This course will cover:

  • Units of information
  • Character encoding
  • Representing images
  • Representing sound
  • Data compression
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