Trend Report of IST 309
Unit 10
Acquiring Information Systems and Applications
Planning for and Justifying IT Applications
Organizations must analyze the need for the IT application. Each IT application must be justified in terms of costs and benefits.
IS Operational Plan
Contains the following elements: Mission IT environment Objectives of the IT function Constraints of the IT function Application portfolio Resource allocation and project management
Evaluating & Justifying IT Investment: Benefits, Costs & Issues
Assessing the costs Fixed costs Total cost of ownership (TCO)
Assessing the benefits (Values) Intangible benefits: Benefits from IT that may be very desirable but difficult to place an accurate monetary value on.
Comparing the two
Conducting the Cost-Benefit Analysis
•Using Net Present Value (NPV)
•Return on investment
•Breakeven analysis
•The business case approach
Strategies for Acquiring IT Applications
Four fundamental business decisions to make before choosing a strategy: (1) How much computer code does the company want to write? (2) How will the company pay for the application? (3) Where will the application run? (4) Where will the application originate?
Strategies for Acquiring IT Applications
Purchase a Prewritten Application Customize a Prewritten Application Lease the applications Application Service Providers and Software-
as-a-Service Vendors Use Open-Source Software Outsourcing Custom Development