04. Software CAMBRIDGE IGCSE Topic 4.1 System software and application software overview CAMBRIDGE IGCSE Topic 4.1 The purpose and functions of operating systems CAMBRIDGE IGCSE Topic 4.1 Operating systems part 1 CAMBRIDGE IGCSE Topic 4.1 Operating systems part 2 CAMBRIDGE IGCSE Topic 4.1 Relationship between hardware, firmware and operating systems CAMBRIDGE IGCSE Topic 4.1 Interrupts 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)
