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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.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
Evolutionary Development model. Evolutionary Development Model : Evolutionary development model resembles iterative enhancement model. The similar phases as defined for the w
Explain in detail about data modelling. Data modeling makes use of the ERD. Having of 3 interrelated information. The data object. Attributes. Relationsh
schema tools
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Mention some of the drawbacks of RAD model. Not suitable for largescale projects. Commitment of developers & customers are required. Not appropriate when technical ris
Q. What is ripple effect? How does it affect the stability of a program? Ans. The ripple effect is a term used to explain a situation where like the ever expanding ripples
how to make script file volume of pyramid
What is Relationship Entities are associated to each other by relationships. It denotes how two entities are associated. A diamond notation with name of relationship signifi
Define Cardinality & Modality. Cardinality: Specification of the number of occurrences of one that can be correlated to number of occurrences of another. Modality: The Moda
What is software measure? A software measure is a mapping from a set of objects in the software engineering world information a set of mathematical construct like numbers or ve
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