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In: Computers and Technology

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“System Analysis and Design by Dennis, Wixom and Roth” (Essay)

|Student Ñame: ADEWUMI JOHNSON |
|ID #: U010276 |

System analysis and design (SAD) is an exciting, active field in which analysts continually learn new techniques and approaches to develop systems more effectively and efficiently. System analysis and design consists of four major phases and they are the planning phase, the analysis phase, the design phase and the implementation phase.
The planning phase is the fundamental two-step process of understanding why an information system should be developed and creating a plan for how the project team will develop it. The deliverables from this phase is the project plan. The analysis phase answers the questions of who will use the system, what the system will do, and where and when it will be used. A system proposal is the deliverable of this phase. The design phase decides how the system will operate. The final stage is the implementation phase, during which the system is actually built or purchased in the case of packaged software design.

The system development life cycle (SDLC) is the process of understanding how information system can support business needs, designing the system, building it, and delivering it to users.
The system analyst plays a key role in information systems development projects. The system analyst assists and guides the project team so that the team develops the right system in an effective way. System analysts also identify the needs of the organization and design systems to implement those changes. Analysts must have the technical skills to understand the organizations existing technical...

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