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unit 4 assessment

on April 19, 2025

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this unit provides the unit 4 assessment coming soon

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2.2 Approaches to Systems Development

In professional organizations, system development typically follows one of two primary models: the waterfall model or the evolutionary model. The Waterfall Model The waterfall model is a widely used software development process known for its linear sequential approach. Originating in the 1970s, it consists of distinct phases: analysis, design, implementation, testing, and maintenance. Each stage flows into the next, with overlapping phases that allow for feedback and iteration. While it offers a structured framework for planning, it also presents several advantages and disadvantages. Advantages The waterfall model is straightforward, systematic, and provides thorough documentation. Its linear nature makes it easy to follow. Disadvantages Challenges include the difficulty of defining all requirements upfront, inflexibility in accommodating changes, and the delay in seeing a working version until late in the process. Additionally, it may not scale well for larger projects and requires ex...

4.1 Data Gathering for Application Development

Overview Data gathering is a crucial step in the application development process, involving the collection of information necessary to define software requirements. This phase requires active engagement with stakeholders—such as users, customers, and vendors—to ensure that the software meets the intended needs and specifications. Importance of Data Gathering Effective data gathering helps to: Clarify requirements and expectations. Identify user needs and preferences. Reduce the risk of project failure by ensuring that all relevant information is considered. Facilitate better communication among team members and stakeholders. Techniques for Data Gathering Several techniques can be employed to collect data during application development: 1. Interviews Interviews involve direct interaction with users or stakeholders to gather detailed insights about their needs and expectations. They can be structured, semi-structured, or unstructured, allowing for flexibility in respon...

3.3: software Engineering UML Diagrams

watch this from MIKE Morphy VIDEO ONE What is the purpose of the class diagram? VIDEO TWO How would you create an activity diagram? VIDEO THREE Object oriented VIDEO FOUR

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