This report discusses the theories, methods, and techniques related to the design and development of IT solutions such as McAfee, Moodle, Canvas, and MS Office. It also explains the systems like DSS, ESS, TPS, MIS, and KSM with relevant examples. The report further explores the meaning of globalisation and the impact of IT industry on globalisation. It defines digital infrastructure, provides examples, and discusses its advantages and disadvantages. Lastly, it highlights the risks associated with information systems outsourcing and the critical role of IT infrastructure in digital transformation.