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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
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Question 1: (a) Describe the Formal Software Process Model. (b) What are the main strengths of the Formal Software Process Model ? (c) Why is the Software Process Mode
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What is a modular system? A modular system having of well defined manageable units to well defined interfaces between them.
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