Read the Nolan and McFarlan article, Information Technology and the Board of Directors: Provide a summarization of the role accounting information systems plays in providing accurate and effective accounting information to internal and external stakeholders in context to the selected IT mode; Select one of the four modes of information technology and analyze the mode focusing on three of the following concepts;

Provide a practical example for each of the following concepts:

1) Systems approach to quality accounting information systems.

2) Internal controls focusing on preventive, detective and corrective approaches to accounting information and accounting information systems.

3) Risk management- contingency plans for disaster recovery and security of information and information systems.

4) Compliance with the Sarbanes-Oxley Act of 2002.