There are five phases of the systems development life cycle – Planning Phase, Analysis Phase, Design Phase, Implementation Phase and Support Phase. System Designer deals with all phases of the SDLC to deliver final system with all the agreed constraints in time and cost. Planning phase is accomplished using Gantt chart and PERT chart or other project management software.
Feasibility is measure of suitability of system development for concerned organization. In feasibility assessment, operational, schedule, technical and economic criteria is analyzed to check the capability of firm to deliver the system.