| Focuses on the question, “Did we build the product right?” | Focuses on the question, “Did we build the right product?” |
| It is a process of evaluating a software system or component to determine whether it meets the specified requirements or not | It is a process of evaluating a software system or component to determine whether it meets the customer’s needs and expectations or not |
| It is a static process, which means it is performed without executing the code | It is a dynamic process, which means it is performed by executing the code |
| It includes activities such as reviews, inspections, walkthroughs, and testing the code to ensure that it meets the design and coding standards | It includes activities such as acceptance testing, user testing, and system testing to ensure that the software meets the user’s needs and expectations |
| It is usually performed by developers or quality assurance team members | It is usually performed by the end-users, customers, or stakeholders |
| Its goal is to identify defects, errors, or bugs in the software system | Its goal is to ensure that the software system meets the user’s needs and expectations |
| It is a process of checking the completeness, correctness, and consistency of the software system | It is a process of checking the usefulness, usability, and user-friendliness of the software system |
| Its output is a verified and validated software system or component | Its output is a validated software system or component that meets the user’s needs and expectations |
