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Importance of Software Engineering
As the application domains of software are becoming complicated and design of big software without a systematic method is virtually impossible, field of software engineering is increasingly gaining significance. It's now developing like an industry. Therefore, industry has to answer following or similar queries of clients:
1) What is the best approach to design of software?2) Why the cost of software is too high? 3) Whycan'twe find all errors? 4) Why is there always some gap between claimed performance and actual performance?
To answer all these queries, software development has adopted a systematic approach.
Software development shouldn't remain an art. Scientific basis for duration, cost, defects, risks etc. are required. For quality assurance, process qualities and product qualities should be made measurable as far as possible by developing metrics for them.
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
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ER model shows Static view.
State Lehman's First law A program that is used in real world environment of necessity must change or become progressively less useful in that environment.
Define software process. Software process is explained as the structured set of activities that are needed to develop the software system.
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Checks the interfaces among program elements for consistency and adherence to predefined axioms or rules.
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Explain in brief the concept of Functional independence ?
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