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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.
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
ER model shows Static view.
What is a cohesive module? A cohesive module performs only "one task" in software procedure with few interaction with other modules. It means cohesive module serve only one thi
Q. What is Constructive Cost Model? COCOMO model denotes Constructive Cost Model. It is an empirical model basis on project experience. It is well-documented and independent mo
What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is difficult to debug.It is not easy to isolate errors whereas te
Explain CASE ?
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
what are the main characteristics of software lease
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
how function strncmp work in c language
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