GCSE EDEXCEL Topic 2B – Data representation & compression GCSE EDEXCEL Topic 2B Representing characters and character sets GCSE EDEXCEL Topic 2B Representing images GCSE EDEXCEL Topic 2B Representing sound GCSE EDEXCEL Topic 2B Limitations of binary representation GCSE EDEXCEL Topic 2B The units of data storage GCSE EDEXCEL Topic 2B Compression Also in this topic... GCSE EDEXCEL Topic 2A – Binary GCSE EDEXCEL Topic 3A – Hardware GCSE EDEXCEL Topic 3B – Software & programming languages GCSE EDEXCEL Topic 5 – Issues and impact GCSE EDEXCEL Topic 6B – Programming fundamentals