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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
notation of requirement of specification
Explain Inspection? Ans) An inspection is more formalized than a 'walkthrough', typically with 3-8 people containing a moderator, reader, and a recorder to take notes. The subje
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
Explain the concept of Decision Tables Decision table models complex logic into precise yet compact way. A decision table lists causes and effects in a matrix. Every column
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Give the procedure of the Delphi method. 1. The co-ordinator shows a specification and estimation form to each expert. 2. Co-ordinator calls a group meeting in which the exp
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What is reverse engineering? It is a process of examining software with a view to understanding its design and specification. - In reverse engineering, source code and i
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