System life cycle is an organizational process of developing and main-taining systems. It helps in establishing a system project plan, be-cause it gives overall list of processes and sub-processes required for developing a system.
System development life cycle means combination of various activi-ties. In other words we can say that various activities put together are referred as system development life cycle. In the System Analy-sis and Design terminology, the system development life cycle also means software development life cycle.
Following are the different phases of system development life cycle:
- Preliminary study
- Feasibility study
- Detailed system study
- System analysis
- System design
- Coding
- Testing
- Implementation
- Maintenance
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