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What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively
What is Entity It is most elementary thing of an organisation about which data has to be maintained. Each entity has unique identity. It's represented by rectangular box with
List the guidelines for data design. i. Apply systematic analysis on data. ii. Identify data structures and related operations. iii. Establish data dictionary. iv. Use
Illustrate about the Behavioural model Behavioural model defines: Data of proposed system. (i) The internal functioning of proposed system, (ii) Inter-relationship
Why software change occurs? Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need
What is Data integrity? Ans) Data integrity is one of the six fundamental components of information security. Data integrity is the soundness, completeness and wholeness of the
Q. Differentiate between functional testing and structural testing. Ans: Functional testing signifies behavioural testing or Black box testing. In this techniques the teste
What is software maintenance? Software maintenance is a set actions in which program are customized after it has been put into use. COCOMO model :- COnstructive COst MOd
Ad hoc testing is a testing approach. It is the least formal testing approach.
An identified set of software features to be calculated under specified conditions by comparing actual behavior with the needed behavior described in the software documentation.
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