Question 1 1.Define an expert system, and explain the benefit of having multiple rules in a knowledge base and, by default, the expert system. Your response should be at least 75 words in length. Que

Question 1

1.Define an expert system, and explain the benefit of having multiple rules in a knowledge base and, by default, the expert system.Your response should be at least 75 words in length.

Question 2

1.      Explain how information systems can support decision making at different levels of management in an organization.Your response should be at least 75 words in length.

Question 3

1.      Describe a decision-making tool that only a CEO or senior management might use. How would this tool assist the CEO in formulating strategies for the future? Your response should be at least 75 words in length.