Master IGCSE Computer Science: Software & Interrupts Made Simple – Lessons & Exam Prep

This comprehensive presentation is designed for IGCSE Computer Science students, offering a complete lesson resource on software and interrupts that aligns with the syllabus. It delivers clear, detailed explanations of key concepts, including the differences between system and application software with examples, the role and core functions of operating systems, the interplay of hardware, firmware, and operating systems in running applications, and the operation of interrupts with examples of hardware and software triggers. Accompanied by a concise practice and revision booklet featuring worksheets, engaging activities, and past paper questions with mark schemes, these materials also serve as student-friendly notes—perfect for classroom exercises, homework, or exam preparation. Together, the presentation and booklet provide teachers with ready-to-use, complete lessons, ensuring students gain a thorough understanding of software types, operating system functionalities, and interrupt handling with confidence and clarity.