a) How do Expert Systems differ from conventional programs? b) What advantage does an Expert System have over a human expert and vice versa? c) What is an Expert Systems Shell? d) List some application area and examples of Expert Systems and briefly explain them. e) Explain the terms verification and validation and Why verification and validation techniques importance in Expert System? f) Explain the terms Knowledge Acquisition and Knowledge Elicitation. g) What is Knowledge Representation and why does knowledge require a different representation models?? h) Investigate current artificial techniques by reviewing a number of videos of your choice at https://www.ted.com/topics/ai. Summarize your findings by comparing and contrasting at least two different ideas and give your personal opinion on what you think the future may hold.? i) Create a simple Prolog application that repeatedly asks the user for two numbers and returns their sum. If the user wants to exit the program she may type y to exit. On exit a See you next time. message is displayed.