This Curriculum gives students a complete introduction to computer system structure, OS structure, system components, interrupts, storage hierarchy, caching, I/O operations, and system architecture. Perfect for ICT, Computer Science, Software Engineering, Networking, university-level OS courses, Diploma/TVET programs, and learners preparing for Operating Systems exams. The lesson includes clear diagrams, layered system visuals, interrupt flowcharts, storage hierarchy explanations, and step-by