CS Unplugged: Text Compression

Use the You Can Say That Again! offline activity to explore how a computer stores information as efficiently as possible. Support your teaching and learning with video clips and other related resources.

Additional details

Year band(s) 7-8, 9-10
Format Web page
Core and overarching concepts Digital systems, Data representation
Australian Curriculum Digital Technologies code(s)

Investigate how data is transmitted and secured in wired and wireless networks including the internet


Investigate how digital systems represent text, image and audio data using integers


Investigate simple data compression techniques


Develop techniques to acquire, store and validate data from a range of sources using software, including spreadsheets and databases

Keywords Data representation, Text compression, Recollection, File size, Data retrieval, Data storage

University of Canterbury, New Zealand


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