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In software engineering, the software development lifecycle is the process of dividing the software development effort into smaller, parallel or continuous steps or sub-processes to improve design, product management. This approach may include predefined specific deliverables and artifacts that the project team creates and completes for the development or maintenance of the software applications.
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Use case modeling is a technique for capturing, modeling, and specifying system requirements that correspond to a set of behaviors that the system may perform when interacting with actors. These behaviors produce observable results and help achieve their goals. Use cases are named for the specific user goals of the principal actors, which in turn describe or explain the general order of activities and events, as well as variations in special conditions, exceptions, or error conditions, through textual description.
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Scrum compares a software development team to a football team. It has a clear and highest goal, is familiar with the best model and technology required in the development process, has a high degree of autonomy, close communication and cooperation, and ensures to solve various challenges every day with a high degree of flexibility; Each stage has a clear progress towards the goal.
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The product backlog lists all the features, functions, requirements, enhancements, and fixes required for the product releases. Product backlog projects have the attributes of description (appropriately Detailed), story points (Estimates), and orders (Prioritized). They must be continuously added, deleted, and updated (Emergent) in the backlog, and reflect the understanding of the team backlog in a timely and appropriate manner .
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The Open / Closed Principle is the most basic design principle in the software development world. It guides us how to build a stable and flexible system. A software entity such as class, module, and function should be open for extension and closed for modification.
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Although data flow oriented modeling is considered as an outdated technology by some software engineers, it is still one of the most widely used requirements analysis symbols. Although data flow diagrams (DFDs) are not formal parts of UML, they can be used to supplement UML diagrams and provide additional insight into system requirements and processes.
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An important tool for geneticists is genealogy. For example, you can use genealogy to track the genetic characteristics of each generation of a family. This is a family history and details about previous generations, which may become uncertain as memory fades.
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The customer journey map can be used to describe the story of a certain role customer in a specific scenario. Including customers from the first contact with the product, touching the various touch points of the product, and ending the use of the product at the end.
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Scrum originated in software development projects, but it is suitable for any complex or innovative projects. Scrum has been used to develop software, hardware, embedded software, interactive function networks, autonomous driving, schools, governments, markets, management organizations and operations, and almost everything we (as individuals and groups) use in daily life.
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The 2020 Scrum Guide contains numerous updates and changes that there are seven major changes from the 2017 edition to the 2020 edition
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