information system

1- List and describe the four information systems serving each of the major functional areas of a business?

2-List three organizational factors that can prevent a firm from fully realizing the benefits of a new information system, and provide examples of each

3-The small publishing company you work for wants to create a new database for storing information about all of its author contracts. What factors will influence how you design the database?

4-Describe the effect of cloud computing on traditional IT infrastructure. ?