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Explain the prototyping approaches in software process.
Two approaches
i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then refined by number of stages to final stage.
ii. Throw-away prototyping - Using this approach a rough practical executionof the system is produced. The requirement problems can be identified from this execution. It is then discarded. System is then developed using some disimilar engineering paradigm.
What does Data abstraction contains? A Data abstraction is a named collection of data that defines a data object Eg: door Attributes: door type, Opening mechanism, Swing di
What is the purpose of timeline chart? The purpose of the timeline chart is to emphasize the scope of the individual task. As set of tasks are given as input to the timeline ch
What is requirement engineering? Requirement engineering is the process of establishing the services that the customer needs from the system and the constraints under which it
Explain in detail about data modelling. Data modeling makes use of the ERD. Having of 3 interrelated information. The data object. Attributes. Relationsh
Distinguish between alpha and beta testing. Alpha and beta testing are the types of acceptance testing. Alpha test: The alpha testing is attesting in which the version o
What are the misunderstanding arise in software development Some of the common misunderstandings regarding software development are given below. 1. Correcting errors is eas
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Define Data Flow Diagram. A Data flow diagram is a graphical representation that depicts information flow & the transforms that are applied as data move from input to output.
Question: (a) State and explain the essential API concepts associated with J2ME. (b) Connected Limited Device Configuration provides two types of application security; stat
Modified ER diagram representing cardinalities When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Ma
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