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The Art of Programming · Term 1

Representing Text and Images

Students will learn how characters (ASCII/Unicode) and images (pixels, RGB) are digitally encoded.

Key Questions

  1. Analyze how different encoding schemes impact the representation of text.
  2. Explain the role of pixels and color models (e.g., RGB) in digital image representation.
  3. Predict how changes in bit depth affect the quality and file size of an image.

Ontario Curriculum Expectations

CS.HS.DA.2CS.HS.N.2
Grade: Grade 9
Subject: Computer Science
Unit: The Art of Programming
Period: Term 1

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