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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.
Illustrate the method of User documentation This usually comprises: - How to load/run the software - How to do a search - How to save files - How to do pri
What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.
Q. What is stepwise refinement? Stepwise Refinement:-Stepwise Refinement is a top-down design strategy initially proposed by Niklaus Wirth. A program is developed by consecutiv
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities that ma
Compatibility testing is testing how well software performs in a certain operating system,hardware, software, or network environment.
What do you do if you have provided functionality which wasn't listed in requirements? - If functionality isn't necessary to purpose of the application, it must be removed.
What is Random testing? Random testing is also referred as adhoc testing. As the tester can give the out of coverage data and the stability of an application is checked, whethe
Which type of software must not be automated? Following types of software must not be automated: - Incomplete/Unstable software since they are still undergoing changes -
List the process maturity levels in SEIs CMM. Level 1: Initial - Few processes are explained and individual efforts are taken. Level 2:Repeatable - To track cost schedule an
Discuss in details about Functional Modeling. This model describes the computations that take part within a system. This model is helpful when the conversion from the inp
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