Option 1: Create a lesson idea for a particular year level or a professional development session, which explores how a type of digital data (sound, text, or image) is represented and transferred.

Colour by Number is an activity from CS Unplugged that introduces young students to the notion of pixels used in the digital representation of images. The pixel combination is then expressed numerically.
#cserTask3classic.csunplugged.org/wp-content/uploads/2014/12/unplugged-02-image_representation.pdf classic.csunplugged.org

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