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Q. Explain Predictive validity?
Predictive validity: It is the potential of the model to predict future failure behaviour from present and past failure behaviour. This capability is important only when failure behaviour is changing. There are two universal ways of viewing predictive validity based on the two equivalent approaches to characterizing failure random process namely
1. The number of failure approach as well as
2. The failure time approach.
We can visually ensure the predictive validity by plotting the relative error against the normalised test time.
Hybrid design: Pure top-down or pure bottom up approaches are often not practical thus hybrid approach which combines the above two approaches is often used.
Explain in detail about Black box testing. Black box or behavioural testing focuses on the functional needs of the software. It is applied during the last phase of testin
Q. Explain the limitations of testing? Ans: Though testing is an significant part of system development and leads to a verified, valid and efficient system it as well faces s
Write about drivers and stubs. Drivers and stub software has to be developed to test incompatible software. The " driver" is a program that accepts the test data and prints
explain delphi model
Explain about the Spiral Model This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't
1. Testing that employs a test data selection method designed to obtain test data capable of demonstrating the absence of a set of pre-specified faults, typically, frequently happe
Mentoring a class at a university. is project or process??
vi curve
Company Universal Consulting is a large consulting firm that specializes in IT consulting services for the Healthcare industry. The company employs over 2,000 dedicated IT professi
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