#testing methodology

Early defect detection is not only a matter of quality but also of cost efficiency. Industry studies reveal that the cost of fixing a bug increases exponentially as it progresses through stages — from design to production. Hence, integrating a strong quality assurance workflow early in development has become a cornerstone of modern software engineering.

IoT refers to the interconnection of automobiles, household appliances and medical devices using embedded technologies, computer chips, etc., to gather and transmit data of various types.

1. Synonyms for black-box include: behavioral, functional, opaque-box, and closed-box. 2. Synonyms for white-box include: structural, glass-box and clear-box. 3. Generally black box testing will begin early in the software development i.e. in requirement gathering phase itself. But for white box testing approach one has to wait for the designing has to complete. 4. We can use black testing strategy almost any size either it may be small or large. But white box testing will be effective only for small lines of codes or piece of codes. 5. In white box testing we can not test Performance of the application. But in Black box testing we can do it.