This document contains comprehensive notes from Lecture 8 of the CO2401 course on Software Development. The lecture focuses on the critical concepts of Verification and Validation (V&V) in the software development process, which are essential for ensuring that software products are both correctly b...
Understanding Verification and Validation
1. Verification
o Verification: "Are we building the product right?"
o It is the process of checking whether the software meets its
specified requirements.
o Ensures that the software (or its components) implements the
specified requirements accurately.
o Conducted during or at the end of the Software Development Life
Cycle (SDLC).
2. Validation
o Validation: "Are we building the right product?"
o It is the process of checking whether the software meets the needs
and expectations of the customer.
o Ensures that the software conforms to its specification and fulfills
the real needs of its users.
The Role of Verification & Validation
1. Integration in the Lifecycle
o V&V activities are integrated into every stage of the project
lifecycle, including:
Requirements Reviews
Design Reviews
Code Inspections
Testing
2. Fitness for Purpose
o The goal of V&V is to increase confidence that the system is fit for
its intended use, considering:
User Needs & Software Functionality: How critical is the
software’s operation?
User Expectations: Is the system reliable and user-friendly?
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