At which stage of the incremental development process is the software debugged and tested to ensure that it meets all user requirements?

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Question restatement: At which stage of the incremental development process is the software debugged and tested to ensure that it meets all user requirements?

Option 1: The planning stage. This phase focuses on defining scope, objectives, risks, and resources before any design or coding occurs. It does not involve actual debugging or rigorous testing of the software against user requirements, so this choice is inaccurate for the described activity.

Option 2: The design stage. In this stage, system architecture, components, interfaces, and data flows are outlined. While design correctness can be reviewed, it is not primarily about executing and testing the working software against requirements, so this option does not match the debugging and testing activity described.

Option 3: The implementation stage. This is where code is written and integrated. Basic unit testing may occur here, and some debugging happens during coding, but the emphasis described—debugging and testing to ensure alignment with user requirements—extends beyond pure implementation into a dedicated verification step. Therefore this choice is not the best fit for the stated purpose.

Option 4: The verification stage. This phase focuses on validating that the product satisfies the specified requirements and quality criteria, often through formal testing, integration tests, and user acceptance testing. Debugging and testing to confirm conformance to user requirements are core activities of verification, making this option the most appropriate description of the described activity.

Summary: Each option represents a different phase with distinct goals, but the activity of systematically debugging and testing to ensure user requirements are met aligns most closely with verification, which centers on validating the product against those requirements.

CSE-110-OD25-27 9.1 Lesson and Knowledge Check - Study Hall Video Episode: 17

At which stage of the incremental development process is the software debugged and tested to ensure that it meets all user requirements?

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