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Q. Explain about non-functional requirement for a software ?
Ans) Nonfunctional requirements are the basic characteristics of the system which will not be expressed as functions - such as portability of the system, maintainability of the system, usability of the system, etc.
Nonfunctional requirements can include:
# performance issues,
# reliability issues,
# interface with other external systems,
# human - computer interface issues,
# security and maintainability of the system, etc.
What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
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Glass box testing is the similar as white box testing. It's a testing approach that consider the application's program structure, and derives test cases from the application's prog
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