The document summarizes the key phases and activities involved in the systems development life cycle. It discusses: 1) The five main phases: systems analysis, conceptual design, physical design, implementation and conversion, and operation and maintenance. 2) The various individuals and groups involved in systems development, including top management, accountants, an information systems steering committee, systems analysts, and computer programmers. 3) How planning, managing change, and ongoing feasibility assessment occur throughout the life cycle.