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What is SDLC ?
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What is SDLC ?
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SDLC stands for Software Development Life Cycle, which is a process that guides the creation, testing, and deployment of software applications.
SDLC aims to deliver high-quality software products tha...
t meet the requirements and expectations of the customers and stakeholders. SDLC also helps to reduce the cost, time, and risk of software development projects.
Phases
SDLC consists of six main phases, each with its own set of activities and deliverables. The six phases are:
1. Requirement analysis
2. Design
3. Development
4. Testing
5. Deployment
6. Maintenance
Requirement analysis: This phase involves gathering and analyzing the needs and expectations of the customers and stakeholders. The output of this phase is a document that specifies the scope, objectives, features, and functions of the software product.
Design: This phase involves designing the architecture, structure, and interface of the software product. The output of this phase is a document that describes how the software product will look, behave, and interact with other systems.
Development: This phase involves writing the code and implementing the functionality of the software product. The output of this phase is a working prototype or a beta version of the software product.
Testing: This phase involves verifying and validating the quality and performance of the software product. The output of this phase is a document that reports the results of various tests, such as unit testing, integration testing, system testing, and user acceptance testing.
Deployment: This phase involves releasing and distributing the software product to the end-users or customers. The output of this phase is a final or stable version of the software product that is ready for use.
Maintenance: This phase involves providing support and updates for the software product after it is deployed. The output of this phase is a document that records the feedback, issues, and changes related to the software product.
Methodologies
SDLC can follow different models or methodologies depending on the nature and complexity of the software project. Some of the common models are:
1. Waterfall Model
2. Agile Model
3. Spiral Model
• Waterfall model: This model follows a linear and sequential approach, where each phase is completed before moving on to the next one. This model is suitable for simple and well-defined projects that have clear requirements and minimal changes.
• Agile model: This model follows an iterative and incremental approach, where each phase is divided into smaller cycles or sprints. This model is suitable for complex and dynamic projects that have changing requirements and frequent feedback.
• Spiral model: This model follows a circular and evolutionary approach, where each phase is repeated with more refinement and detail. This model is suitable for risky and uncertain projects that have high-quality standards and customer involvement.
SDLC is an important concept in software engineering that helps to ensure the success of software development projects. By following SDLC, developers can produce software products that are reliable, efficient, and user-friendly.
Source
https://www.t2cit.com/Category
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