This section explains what constitutes an application systems.  It discusses different types of systems including self serve application systems, systems of record and decision support systems.  The topic of application system scope is also addressed.

This section examines application systems from an architectural perspective. It explores the user interface, business logic and data access layers of application systems.  Application interfaces and application integration are also discussed.

This section introduces systems analysis.  It explains what systems analysis is, why it is needed and how it is done.  It discusses the relationship of systems analysis to business analysis and standard deliverables from a systems analysis project.

This section introduces application system design.  It discusses business transactions, entity life cycles, user interface design and database design. The topic of purchasing application system package is also discussed.