GCSE EDEXCEL Topic 3B – Software & programming languages GCSE EDEXCEL Topic 3B The purpose and functionality of operating systems GCSE EDEXCEL Topic 3B Operating systems part 1 GCSE EDEXCEL Topic 3B Operating systems part 2 GCSE EDEXCEL Topic 3B Utility software GCSE EDEXCEL Topic 3B Importance of robust software GCSE EDEXCEL Topic 3B Characteristics and purpose of different levels of programming language GCSE EDEXCEL Topic 3B Characteristics of compilers and interpreters Also in this topic... GCSE EDEXCEL Topic 1B – Computational logic GCSE EDEXCEL Topic 2A – Binary GCSE EDEXCEL Topic 3A – Hardware GCSE EDEXCEL Topic 4 – Networks and network security GCSE EDEXCEL Topic 5 – Issues and impact