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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.
What are the principles of testing Below are some of the principles of testing: i) All tests must be performed according to user requirements. ii) Planning of tests m
Static testing tools: 1. Static analysers 2. Code inspectors 3. Standard Dynamic testing tools 1. Coverage analyzers (execution verifiers) 2. Output co
Lines of code (LOC) is a software metric used to calculate the size of a software program by counting the number of lines in the text of the program's source code. LOC is typicall
Q. Explain Common coupling with example? Common coupling: General coupling is when two modules share the same global data (example a global variable). Changing of the shared
Q. Explain about Total Quality Management? TQM is a part of management practices throughout the organization, geared to make sure the organization consistently exceeds or meets
main characteristics of software lease
Describe about the Environmental model It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if softw
Q. What do you mean by Configuration Management? Because of several reasons software changes during its life cycle. Consequently of the change made multiple versions of the sof
What is meant by software change? Software change is termed as the change in nature of software as the requirements of software changes.
What is Compatibility testing - It's a non-functional test performed on a software system or component for checking its compatibility with the other parts in computing environm
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