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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.
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
what is meant by 345 rule in IEEE 802.3 ?
Q. How can we use Spiral model in large-scale systems? Spiral model is as well known as spiral life cycle model is the system development life cycle model utilized in informati
Q. Use of Test file generators in software engineering? Test file generators This creates a file of information that is used as the program and does so based on comments give
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
Explain about the incremental model. Have same phases as the waterfall model. Phases are Analysis. Design. Code. Test. Incremental model deliver
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
What does Level0 DFD means? Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bub
Top down design: A top down design approach begins by identifying the main modules of the system, decomposing them into their lower level modules and iterating unless the desired
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