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Define Data Flow Diagram.
A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
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
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Objectives of Requirement Analysis
Cohesion for Each Module? Compute average daily temperatures at various sites Initialize sums and open files Create new temperature record Store temperature record Close files and
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