13-5
Section 13.2, “What are the core activities in the systems development process?” This
section breaks down the systems development process into six separate activities: system
analysis, system design, programming, testing, conversion, and production and
maintenance. Specific information requirements must be established at the beginning of
Section 13.3, “What are the principal methodologies for modeling and designing
systems?” If you used the exercise in Section 13.1 that had students redesign a process,
continue it here by working through the system development process shown in Figure
Section 13.4, “What are the alternative methods for building information systems?”
The traditional systems lifecycle methodology is usually only used for very large,
complex systems. The SDLC is the oldest method for building information systems. It is
inflexible and does not easily allow changes at any step along the way. However, it can
be effective for highly-structured systems such as accounting, payroll, or complex
manufacturing systems. Government defense or space systems often are mandated to use
the system life cycle methodology because of the rigorous milestones generated by the
method.