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Define Data Flow Diagram. A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output. T
difference between implicit and explicit conceptual model
Define Traceability Traceability is the overall property of requirements specification which reflects the easiness of finding related requirements. Three different parts
Q. Realistic approach to the development of large-scale systems? There are a number of advantages of Spiral model that makes it a realistic approach to development of large-sca
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
1) The process of operating a system or component under particular conditions, observing or recording the results, and making an evaluation of some aspect of the system or componen
Q. Define Software testability? Software testability is the degree to which a software artifact (i.e. a software system, software module, requirements- or design document) su
Write down the functional requirement for a Library management system. The user should capable to search either all of the primary set of databases or select a subset of dat
dvdnl
What does Level0 DFD represent? Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubb
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