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What are the various elements of data design?
i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are translated into data structures and data bases at the request level.
iii. Data warehouses - At the business level useful information is identified from several databases and the data warehouses are formed.
Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
What is data dictionary entry explain
What is Change management? Software systems are subject to continual change requests; From users; From developers; From market forces. Change management is
Define Traceability Traceability is the overall property of requirements specification which reflects the easiness of finding related requirements. Three different parts
Draw ontext diagram
Q. Differentiate between iterative Enhancement Model and Evolutionary Development model. Ans. Iterative Enhancement Model: This model has the similar phases as the waterfall
What are the advantages of using testing tools? The advantages of testing tools are: They get better the productivity and quality of software development. Help in i
What are the conditions exists after performing validation testing? After performing the validation testing there two situations arise. The function or performance characterist
Evolutionary prototyping: Evolutionary Prototyping (also called as breadboard prototyping) is quite dissimilar from Throwaway Prototyping. The main goal when using Evolutionary Pr
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