This data representation workbook is perfect for students studying for the AQA GCSE (9-1) in computer science and has been updated to completely cover the new specification 8525.



It can be used in the classroom as a teaching aid, for self-study or as a revision tool. In this resource you will receive an interactive PDF workbook so your students can either print it out and complete the activities by hand or fill it in electronically making this an ideal workbook for use in school or for students studying at home.


The answer booklet is provided as a separate PDF file so you can assign your students the workbook without including the answers.


This 66-page workbook completely covers the new specification 8525 3.3 Fundamentals of Data Representation theory.


Table of Contents:

  • Number bases (decimal, binary and hexadecimal)
  • Converting between number bases
  • Units of information
  • Adding together binary numbers
  • Binary shift
  • Character encoding
  • Representing bitmap images
  • Colour depth and image size
  • Representing sound
  • Sampling rate and sample resolution
  • Calculate file sizes
  • Data compression
  • Huffman code
  • Run length encoding (RLE)

Fundamentals of Data Representation AQA GCSE Computer Science Workbook (8525)

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