Q1. Define Porter's competitive forces model and explain how it works. Also, describe how information systems can support each of these competitive strategies and give examples. How the Internet has reshaped the competitive forces and competitive advantage. Q2. What ethical, social, and political issues are raised by information systems? List and describe the key technological trends that heighten ethical concerns. (b) Differentiate between responsibility, accountability, and liability. Q3. Define big data and describe the technologies for managing and analyzing big data. List and describe the components of a contemporary business intelligence infrastructure. (b) Define artificial intelligence (AI) and explain how it differs from human intelligence. Also identify the major types of AI techniques in use today. Q4. (IS Development). Using examples as is necessary, explain the difference between tangible and intangible benefits of an information system. Also, explain the importance of implementation for managing the organizational change surrounding a new information system. List and describe the factors that influence project risk and describe strategies for minimizing project risk.