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Lesson 5 of 14 · about 10 min

Pictures as numbers

A digital picture is a grid of tiny colored squares called pixels. Each pixel's color is three numbers, how much red, green and blue light to mix.

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This lesson is part of the DoingCamp Pass. Members get every lesson in every course, with all the interactive visuals, coding exercises and challenges.

In this lesson you'll learn:

  • Pixel
  • RGB
  • Compression

Free to try in F01 What Is a Computer?:

The first 3 lessons of every course are free, no account needed.