Unit 1: Innovation in Digital Technology

The AS-level unit of the WJEC Digital Technology specification. This guide covers:

• Connected digital systems and smart devices — how networks connect (hubs, switches, routers, gateways, bridges), the Internet of Things (IoT), and smart devices in the home, built environment, and manufacturing
• The development of Artificial Intelligence — AI, Machine Learning, Robotics, and their applications and impacts
• Digital technology development life cycles — design methodologies, changeover, and maintenance
• User-centred design, UX, and human-computer interaction
• Social media — its functions, purposes, uses, and impacts

Full exam-board-aligned definitions and notes, plus guidance on how to structure exam answers.