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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 Fan-in and Fan-out Fan-out: A measure of the number of modules which are directly maintained by another module. Fan-in: Indicates that how many modules directly main
What is COCOMO model? COnstructive COst MOdel is a cost model, which provides the estimate of number of man-months it will take to make the software product.
What is software engineering? Software engineering is a regulation in which theories, methods and tools are applied to make professional software.
Explain in detail the design concepts Abstraction Data abstraction Functional abstraction •Control abstraction Information hiding •Every module in the s
Define software reliability. Software reliability is the probability that software will give failure-free operation in a fixed environment for a fixed interval of time. Probabi
explain why older data models are being replaced by new data models.
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional requirements of the software. Te
What does Modularity concept mean? Software architecture embodies modularity; i.e. Software is named in to addressable components called modules, which are integrated finally.
What are the properties of the software? Software is engineered, not manufactured. Software is free of wear out. Most software is built as required rather than being asse
Q. What are the objectives of software design? What are the objectives of software design? How do we transform an informal design to a detailed design? Ans Objectives of
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