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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.
What is the meaning of Software? Software is termed as a set of computer programs that are related documents that are indented to provide required features, functionalities and
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
Question: Part of the conceptual model of UML is made up of four "things": "Structural things", Behavioral things", "Grouping things" and "Annotational things". Explain, using
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
Regression testing It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side effect
System evolution of life cycle process The lifetime of verge systems is too long. They must evolve to meet change requests. The evolution may be expensive. Existing sy
Q. Usual stages of the simplified design process? Pre-production design Design brief it is an early often the beginning statement of design goals Analysis i
Q. How Messages can be used in software engineering? Messages:- The interaction or communication between the different objects and classes is done by passing messages. The ob
What is Flowchart? Ans) A diagram showing the sequential steps of a process or of a workflow around a service or product. Formal Review: A technical review conducted with the en
Describe the prototyping methods in software process. Two methods i. Evolutionary prototyping - In this approach of system development, the early prototype is prepared and i
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