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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.
What are the elements of Analysis model? i. Data Dictionary ii. Data Flow Diagram iii. Entity Relationship Diagram iv. State Transition Diagram v. Process specifica
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Explain Boundary value? (1)A data value that corresponds to a input, internal, or output value specified for a system or component. (2) A value which lies at, or just inside
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Build and Fix Model It's a simple two phase model. In one phase, code is developed and in another, code is fixed. Figuredepicts the Build and Fix model.
Disadvantage of Software package: There are some disadvantages which need to be looked into. They are: i) A commercial software package will have a number of built-in
Illustrate the Introduction to Flowcharts This mainly covers four areas: 1 Common flow chart symbols 2 Writing flowcharts to solve problems 3 Dry running of flowcharts
What are Documentation standards? Particularly important - documents are the tangible manifestation of the software. Documentation process standards Concerned with how
Core dumps Core dumps are a debugging method. A printout of all relevant memory locations is obtained and studied. All dumps should be well documented and retained for possible
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