Software Lifecycle Processes as a Projection of the Fourth Dimension of a System

  • 40 min

Software development is a complex process that depends on technologies and methodologies. An analyst plays a key role by distinguishing between invariant aspects (which remain unchanged regardless of the chosen approaches) and variable aspects (which depend on specific technologies and methodologies). Critical stages, such as requirements elicitation and design, remain important, but their implementation may vary. ISO/IEC 12207 (software life cycle processes) and ISO/IEC 15288 (system life cycle processes) standards help structure the analyst's work, avoid errors, and enhance efficiency. Understanding these processes contributes to creating a quality product, minimizing risks, and achieving project goals with fewer costs, which is essential for a successful career in IT.

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