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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.
State about the Software Requirements Specification This document is produced as output of requirement analysis. Requirement analysis involves obtaining a clear and thorough
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are checked and program with write statements is loaded to get clues to er
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
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 e
Recovery/error testing is testing how well a system recovers from crashes, hardware failures, or other catastrophic problems.
Construct an E-R diagram for a department store database. This database contains information about customers, items they order, departments in the store, employees, and suppliers o
What are the reasons behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assum
What are the advantages of vertical partitioning? i. These are simple to maintain changes. ii. They decrease the change impact and error propagation.
Define Requirement Engineering. Requirement Engineering is a process that includes all of the activities needed to create and maintain a system requirements document. The fo
Illustrate parameterization in QTP. - Parameterization - Passing values from external source into script. - The number of values passed can be single or multiple. - It he
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