GCSE – Lesson 11 – Bitmap file size calculation

Curriculum KS4 Unit Lesson

First, learners will recap their understanding of bitmap images. They will then discover how to calculate the file size of a bitmap image using different examples. Then, they will investigate how the number of pixels and colour depth can affect the file size of an image.

Learning objectives

  • Calculate the file size of bitmaps
  • Describe how the number of pixels and colour depth can affect the file size of a bitmap image, using examples

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GCSE revision

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