CS Unplugged: Field guide: Data Representation
An online resource for teaching Computer Science to students, this chapter focuses on Data Representation. This chapter is about some of the different methods that computers use to code different kinds of information in patterns of bits, and how this affects the cost and quality of what we do on the computer.
Additional details
| Year band(s) | 7-8, 9-10 |
|---|---|
| Format | Web page |
| Core and overarching concepts | Data representation |
| Australian Curriculum Digital Technologies code(s) |
AC9TDI8K03
Investigate how digital systems represent text, image and audio data using integers
AC9TDI8K04
Explain how and why digital systems represent integers in binary
AC9TDI8P02
Analyse and visualise data using a range of software, including spreadsheets and databases, to draw conclusions and make predictions by identifying trends
AC9TDI10K02
Represent documents online as content (text), structure (markup) and presentation (styling) and explain why such representations are important
AC9TDI10K03
Investigate simple data compression techniques
AC9TDI10P01
Develop techniques to acquire, store and validate data from a range of sources using software, including spreadsheets and databases |
| Keywords | Data Representation, Data visualisation, Data collection, Binary, Hexadecimal, Byte, Unicode, Colours, RGB Colour Mixer, CMY Colour Mixer |
| Organisation | University of Canterbury, New Zealand |
| Copyright | University of Canterbury, New Zealand. Creative Commons BY-NC-SA 4.0. |
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