4.1 Using an organization with which you are familiar, describe the role of the most senior IS professional. Is that person a strategist or an operational manager?.
4.2 What advantages does a CIO bring to a business? What might be the disadvantages of having a CIO?
4.3 Describe the conditions under which ROI, payback period, NPV, and EVA are most appropriately applied to information systems investments.
4.4 TCO is one way to account for costs associated with a specific infrastructure. This method does not include additional costs such as disposal costs-the cost to get rid of the system when it is no longer of use. What other additional costs might be of importance in making total cost calculations?