Intro

Objectives

  • Understand how a bitmap graphic is made up of individual pixels
    • Explain how each pixel is represented in binary
    • Understand that the colour depth (bits per pixel) determines the number of available colours for an image
    • Understand that the resolution is the number of pixels in the image
  • Explain the relationship between file size, image resolution and colour depth

Resources

Video

length 05:35

Slides

Main activity

Extension activity