A/L ICT Lesson 01: Basic Concepts of ICT

Bilingual lesson notes for Unit 1 of the Sri Lankan GCE Advanced Level ICT syllabus, Grade 12. This lesson covers data and information, the characteristics of quality information, the data processing life cycle (DPLC), drawbacks of manual data handling, classification of software, open-source vs proprietary software, domains of ICT application, and socio-environmental issues like the digital divide, e-waste, and green computing. Includes interactive DPLC/IPO simulators, structured essay questions, 5-option MCQs, and flashcards.