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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 refining levels of procedural detail. A hierarchy is developed by decomposing a macroscopic statement of function in a stepwise fashion unless programming language statements are reached.
Q. Define the Structural Testing? For a moment it called white-box testing. At this point derivations of test cases are according to the program structure. Knowledge of the pro
What are the virtues of incremental model? i. The incremental model can be adopted when there are less number of persons associated with the project. ii. Technical risks can
Write about software change strategies. The software change methods that could be applied separately or together are: Software maintenance - The alters are made in the software
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
Explain the Throw away prototype In this technique, prototype is discarded once its purpose is fulfilled and final system is built from scratch. Prototype is built quickly t
What is the meaning of cardinality in data modelling? Cardinality in data modelling, cardinality specifies how the of occurrences of one object is linked to the number of occur
What does Validation represent? Validation shows the set of activities that ensure that the software that has been built is satisfying the customer needs.
Application Design: Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and d
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
Discuss in detail about data modeling. Data modelling makes use of the ERD. Consists of three interconnected information. The data object. Attributes. Relatio
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