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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.
Four Different Phases of spiral model are: 1) Planning 2) Risk analysis 3) Development 4) Assessment
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
Explain in detail about SCM. Software Configuration Management is an umbrella activity which is used throughout the software process. SCM Activities Identify cha
Write down the functional requirement for a Library management system. The user should capable to search either all of the primary set of databases or select a subset of dat
What are the properties of SRS? i. Correct - The SRS must be built up to date while appropriate requirements are identified. ii. Unambiguous - When the requirements are pro
Q. Write short notes on Quick-fix Model? Quick-fix Model: This is the simplest model utilized for the maintenance of the software. In this model modification at the code level
State about the Data Dictionary This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD
Product engineering is a system engineering approach which starts with system analysis. The system engineer identifies the customer's requirement, determines economic and econ
Write about software change methods. The software change strategies that could be applied individually or together are: Software maintenance - The changes are made in the softw
What is System Engineering? System Engineering means designing, executing, deploying and operating systems which contain hardware, software and people.
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