The process of determining whether a full developed software conforms...
- Verification and validation techniques are very similar since both these techniques are designed to help remove errors in a software
- In spite of the apparent similarity between their objectives, the underlying principles of these two bug detection techniques and their applicability are very different
- Verification is the process of determining whether the output of one phase of software development conforms to that of its previous phase
- Validation is the process of determining whether a fully developed software conforms to its requirements specification
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The process of determining whether a full developed software conforms...
Validation is the process of determining whether a fully developed software conforms to its requirements specification. It is an important step in the software development life cycle (SDLC) that ensures the software meets the intended purpose and functions correctly. Verification, on the other hand, is the process of evaluating whether the software has been developed according to its design specifications. While both validation and verification are essential in software development, they serve different purposes.
Validation Process:
1. Understanding Requirements: The first step in the validation process is to thoroughly understand the requirements specification. This involves reviewing the documented requirements and clarifying any ambiguities or inconsistencies.
2. Planning Validation: Once the requirements are understood, a validation plan is created. The plan outlines the activities, resources, and schedule required to validate the software. It also defines the acceptance criteria that the software must meet to be considered validated.
3. Designing Test Cases: Test cases are designed to validate each requirement specified in the requirements document. These test cases outline the inputs, expected outputs, and steps to be followed during testing.
4. Executing Test Cases: The test cases are executed to verify whether the software meets the specified requirements. This involves running the software with different inputs and comparing the actual outputs with the expected outputs.
5. Analyzing Test Results: The test results are analyzed to identify any deviations or failures. If the software fails to meet the specified requirements, the issues are documented, and the development team works on resolving them.
6. Reporting and Documentation: A validation report is prepared to summarize the validation activities and results. It includes details of the test cases executed, any issues encountered, and their resolution. This report serves as evidence that the software has been validated and meets the requirements.
7. Acceptance and Sign-Off: Once the software successfully passes all the validation tests and meets the acceptance criteria, it is considered validated. The stakeholders review the validation report and provide their approval or sign-off, indicating that the software is ready for deployment.
Validation is a crucial step in software development as it ensures that the software meets the intended purpose, functions correctly, and satisfies the needs of the end users. By validating the software against the requirements specification, potential issues and deviations can be identified and resolved before the software is deployed, minimizing the risk of failures and ensuring customer satisfaction.
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