Topic 2B – Data representation & compression 28. Pearson Edexcel GCSE (1CP2) Topic 2B Representing characters and character sets 29. Pearson Edexcel GCSE (1CP2) Topic 2B Representing images 30. Pearson Edexcel GCSE (1CP2) Topic 2B Representing sound 31. Pearson Edexcel GCSE (1CP2) Topic 2B Limitations of binary representation 32. Pearson Edexcel GCSE (1CP2) Topic 2B Units of data storage 33. Pearson Edexcel GCSE (1CP2) Topic 2B Compression