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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.
Equivalence class: -It shows a set of valid or invalid states for input conditions. An input condition is either a particular numeric value, a range of values, a set of related val
Scenario A scenario is a sequence of events that happen in a particular implementation of the system. A scenario can be defined textually by enumerating the sequence of events
Testing that collects timing and processing information during program implementation that might change the behavior of the software from its behavior in a actual environment. Usua
What is software verification? Ans) In general the demonstration of consistency, completeness, and correctness of the software at every stage and between every stage of the deve
Q. What do you mean by Encapsulation? Encapsulation:- An object is said to be encapsulate (hide) data and program. This signifies that the user cannot see the inside of the o
USE OF SOFTWARE PACKAGE: The concept of applications software and were told about software packages and their types. In other words, the discussion implies that instead of wri
Differentiate between object oriented and function oriented design . Function-oriented design relies on recognizing functions which transform their inputs to make outputs. I
What are the benefits of prototyping? i. Prototype uses as a basis for deriving system specification. ii. Design quality can be better. iii. System can be handled efficie
What is VO browser extension? - It is a SilkTest add-on component to test Web applications. - To identify browser-rendered objects it employs sophisticated pattern recogniti
Categories of software maintenance There are three categories of maintenance: i) Corrective Maintenance ii) Adaptive Maintenance iii) Perfective Maintenance
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