A/L ICT Lesson 02: Evolution & Computer Architecture

Bilingual lesson notes for Unit 2 of the Sri Lankan GCE Advanced Level ICT syllabus, Grade 12. This lesson covers the evolution of computing devices, computer architecture, and hardware components. It details the five computer generations, the Von Neumann and Harvard architectures, CPU registers (PC, MAR, MDR, CIR), and the Fetch-Execute cycle. Furthermore, it analyzes the memory hierarchy, including SRAM, DRAM, ROM, and Cache memory. Features interactive FDE cycle simulators, structured questions, 5-option MCQs, and flashcards.