Please answer based on your own understanding on given question. Accounting Information System subject .

1. What are the four levels of activity in the pyramid representing the business organization ? distinguish between horizontal and vertical flows of information. 2. What is the relationship among data, information and an information system? 3. Distinguish between Accounting Information System (AIS) and Management Accounting System (MIS) 4. What are the characteristics of good or useful information? 5. What are the levels of data hierarchy ? 6. Distinguish the roles of internal and external auditors 7. Distinguish between the centralized and distributed approaches to organizing the IT function.