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RaspberryPiFoundation: Teach teens computing: Data representation

Learn how data is represented through media, such as audio, visual, and text.

Teach teens computing: Data representation
3 weeks
2–4 hours per week
Self-paced
Progress at your own speed
Free
Optional upgrade available

There is one session available:

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Starts Nov 22
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Teach teens computing: Data representation

About this course

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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, sound, compression, and other algorithms.

At a glance

  • Language: English
  • Video Transcript: English

What you'll learn

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Over the next 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

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This course will cover:

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

Frequently Asked Questions

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Who is this course for?

This course is designed for GCSE-Level to A-Level educators and learners. This course has a focus on supporting educators looking for an engaging way of teaching GCSE Computer Science concepts.

What software will I need?

To complete optional coding challenges in this course, you will need to download a Python IDE (Integrated Developer Environment) such as Mu.

Ways to take this course

Choose your path when you enroll.

Certificate

Free

Price

$59 USD

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Access to course materials

Unlimited

Limited

Expires on Dec 13

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Shareable certificate upon completion

Graded assignments and exams

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