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What is Delphi model?
In Delphi method, a number of parameters to be considered based on as experts estimates.
The group estimate is taken as on an average of the weighted individual estimtes, computed as
Estimate=(lower bound of estimate+4*most likely estimate +upper bound of estimate)/6
Variance=(upper bound of estimate-lower bound of estimate)/6
What are the objectives of testing? i. Testing is a process of implementing a program with the intend of finding an error. ii. A good test case is one that has high probabi
Define Data Dictionary The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous definitions so that user
difference between implicit and explicit conceptual model
Testing conducted to evaluate whether systems or components pass data and control correctly to one another. Contrast with testing, unit; testing, system. Normal 0
Q. Explain cause effect graphing? Cause-effect graphing is the test case design technique that offers a concise representation of logical conditions and corresponding actions
Beta testing is testing an application when development and testing are essentially done and final bugs and troubles require to be found before the final release. Beta testing is t
Q. Discuss some of the problems that are faced during maintenance of software? - Habitually another person or group of persons working over the years in isolation from each oth
Q. Describe incremental model? Define core product and detailed plan. Ans. The incremental model is proposed by D.L PARNAS. It is basically implemented by combining elements
Waterfall Model It is the oldest, simplest and most widely used process model. In waterfall model, every phase of the life cycle is finished before start of a new phase. It's
Write about software change strategies. The software change methods that could be applied separately or together are: Software maintenance - The alters are made in the software
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