SYSTEM DEVELOPMENT TECHNOLOGY.pptx - M E T T N S E M SY P O...

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SYSTEM DEVELOPMENT TECHNOLOGY SUBMITTED BY: Alonzo, Rowella A. Ira bago n, Lincell Alaine A. Ruiz, Ellise Santiago, Kalcent
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PROCESS OF SYSTEM DEVELOPMENT Requirements Definition System Design Development (Programming) Testing System acceptance System Operation and Maintenance
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REQUIREMENT DEFINITION Systems used in business operations are expected to perform the necessary functions properly, but must also be easy for the user (system user department) to utilize. It is important for the department developing a system to survey/analyze requirements in cooperation with the va rious depa rtments that will use the system, and reflect the results into the system under development. System development does not necessarily ha ve to be carried out internally, and may also be outso urced to a company tha t specializes system development.
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The general procedure for developing a system is as shown below.
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SERVICE CONTRACT A “service contract” is a contract that is formed when the party placing the order presents terms to the contractor regarding what they want to be delivered and when, as well as the remuneration for the finished product, and the contractor accepts those terms.
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For each system development process, a “review” must be conducted. Reviews check/confirm that there are no bugs (errors) in the system or design, and serve the purpose of improving quality by finding any potential bugs and rect ifying them. Reviews may be conducted by the individual developer, a small project team, or by all those concer ned. Although it is efective for the developer to conduct a review, it is beneficial for persons other than the developer to conduct a review as well. An outside perspective allows for an objective check, which makes it possible to catch bugs that go unnoticed by the developer NEED FOR REVIEW
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REQUIREMENT DEFINITION A “requirements definition” clarifies the function, performance, and content required of the system and software, and includes a “system requirements definition” and a “software requirements definition”. The demands of the user (system user department) are surveyed/analyzed to determine whether they are technologically feasible, and the requirements for achieving the demands are then defined in detail. This is the first step in system design, which plays a critical role in determining the success or failure of the subsequent system. In order to develop a better system, the requirements are defined in cooperation with the various departments that
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● SYSTEM REQUIREMENTS DEFINITION In a “system requirements definition,” the types of functions that are required for computerization are clearly stipulated. In general, factors that determine system reliability such as operating conditions, security performance, and hardware used are stipulated. Accordingly, it is necessary to set priorities in order to maximize results within a limited budget, and determine whether the content described in the system requirements definition is worth the cost.
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  • Spring '19
  • Engr.EdgarGalido
  • Software development process, Requirements analysis

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