CAMBRIDGE IGCSE Topic 4.1 Interrupts Also in this topic... CAMBRIDGE IGCSE Topic 4.1 Relationship between hardware, firmware and operating systems CAMBRIDGE IGCSE Topic 4.2 High-level and low-level languages CAMBRIDGE IGCSE Topic 4.2 Assembly language CAMBRIDGE IGCSE Topic 4.2 Compilers and interpreters CAMBRIDGE IGCSE Topic 4.2 Integrated Development Environments (IDEs)