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Unit 11 Systems Analysis and Design

In: Computers and Technology

Submitted By sharina98
Words 326
Pages 2
P2 illustrate the stages of a development lifecycle

What is a waterfall model?
The waterfall Model demonstrates the software development method in a direct chronological flow. This means that any stage in the growth process begins only if the earlier phase is wide-ranging. The waterfall approach does not outline the process to go spinal to the prior phase to grip changes in constraint. Thus, different schemes may trail different methods to handle such circumstances.

The first phase which starts at the top of the diagram is named Feasibility. Feasibility is a stage which chooses whether the project ought go ahead. Must the project go ahead, feasibility will make a development design and a financial plan projection for the phases of development. Besides feasibility recommends what action should be taken dependent on different aspects such as working and technical.
The second stage is Requirement Analysis and Design. Requirement Analysis gathers the systems requirements. In this stage there's a detailed study of the business requirements of the organisation. Additional drive of this stage is to make a reasonable model of the new system. In Systems analysis the organization user also examines business procedures and records what the new scheme has to do. In the systems design stage the user interface is intended to single out the inputs, outputs and processes. Along with this the internal and external panels along with computer - founded and manual features makes assured the system will be safe, consistent, and precise and sustainable. In the systems design stage we have to conclude the structural design of the application. This displays systems analyst how to modification the logical design into software package modules and code. The systems design stage result is logged and then shown to the organization so they can appraisal and accept it....

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