Explain the importance of the implementation phase in the SDLC process
What will be an ideal response?
The fourth phase in the SDLC is implementation. The physical system specifications, whether in the form of a detailed model or as detailed written specifications, are turned over to programmers as the first part of the implementation phase. During implementation, analysts turn system specifications into a working system that is tested and then put into use. Implementation includes coding, testing, and installation. During coding, programmers write the programs that make up the system. Sometimes the code is generated by the same system used to build the detailed model of the system. During testing, programmers and analysts test individual programs and the entire system in order to find and correct errors. During installation, the new system becomes part of the daily activities of the organization. Application software is installed, or loaded, on existing or new hardware, and users are introduced to the new system and trained. Testing and installation should be planned for as early as the project initiation and planning phase; both testing and installation require extensive analysis in order to develop exactly the right approach.
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