Design verification is a way of determining if a product has been developed in the right way. According to the Food and Drug Administration (FDA), “Verification means confirmation by examination and provision of objective evidence that specified requirements have been fulfilled” (FDA, 2019). When it comes to determining the worthiness of a product or a service, design verification plays a key role in determining its performance, among other aspects. Design verification entails a series of inspections, analyses, tests, and other different means that may establish conformance of a product's eligibility. Design verification ensures that the design of products or service outputs matches with the product's inputs (Krüger, 2020). Design verification checks to ensure that a designed service or product meets the design specifications and requirements. This process (design verification) considers the products’ or services’ structure (basics) such as functionality, performance, design, and checking to ensure that no specified inspections and tests were incomplete or done wrongly (Mosaic, 2017). The main goal of design verification testing is to guarantee that the product meets all the stipulations and requirements it is expected to meet before product shipment.
Design verification is not just done to determine a product's eligibility, but also to qualify several aspects of the products. Considering the significance of design verification, it is designed to serve several purposes that are beneficial to the product designers (company/individual) and the end-users. First, design verification can save on costs, thereby helping in saving more money for future needs. For instance, this process helps identify and point out flaws in the product, thereby making it possible to rectify an error before releasing the products to the end-users. By identifying errors and making it possible to rectify them on time, thus meeting the required specs, money that would have been lost in redoing or fixing the products would be saved. Secondly, design verification offers a great deal of finished products to the end-users, thereby amassing more market. Completing products in a hurry and disposing them off at market places without verification would mean that the products may have a high number of flaws and other related challenges. As a result, the clients' needs and expectations would not be met, thereby hampering the relationship with them, and they might never be interested in engaging in business with the firm again (Krüger, 2020). Design verification, together with design validation, ensures that a product is fully developed to rule across the global markets, thus ensuring its success, which would further build trust among clients.
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Concurrent testing refers to the execution of specific tasks to find any flaws within a software that may be due to simultaneous inputs or interactions and concurrent access of resources. Software development can be quite demanding, thus requires companies to be keen and stay at the top of their game and be up to date with all the current and emerging technological trends. More so, they have to develop, update, and release software frequently and on time while maintaining their innovative spirit to predict the future needs. The concurrent evaluation's main goal is to assess and confirm that a software can accommodate numerous users using and accessing data simultaneously in a manner that is efficient and effective without causing any interruptions or breakdowns. On the other hand, the principal benefit developers are attempting to achieve from combined or concurrent evaluations is to guarantee that software applications and other related products are robust and reliable, especially within concurrent programs (Brito, et al. 2010). Besides, with concurrent testing, developers seek to eliminate the unknown events which may repeatedly generate errors while running/operating. The software delivered must be useful to the end-users; perform what it is set to do.
References
Brito, M. A. S., Felizardo, R. K., Souza, P. S. L., and S. R. S. Souza. (2010). Concurrent Software Testing: A Systematic Review . ICTSS Conference. https://scholar.google.com/scholar?hl=en&q=M.+A.+S.+Brito%2C+K.+Felizardo%2C+P.+S.+L.+Souza%2C+and+S.+R.+S.+Souza.+Concurrent+software+testing%3A+A+systematic+review.+Technical+Report+359%2C+ICMC%2FUSP%2C+2010 .
Food and Drug Administration (FDA). (2019, April 1). CFR - Code of Federal Regulations Title 21 . FDA. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=820.3
Krüger, N. (2020 January 14). Design Validation vs. Verification: 6 Tips for Medical Device Development . Perfoce. https://www.perforce.com/blog/alm/design-verification-validation-medical-device
Mosaic. (2017, January 12) V&V = the Verification and Validation of Deliverables. Mosaic’s PMKI Free Library . https://www.mosaicprojects.com.au/WhitePapers/WP1098_V_and_V.pdf
