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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.
What is data dictionary entry explain
Enginnering the product Because of complexity involved in software development, engineering approach is being used in software design. Use of engineering approach in area of re
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Write about drivers and stubs. Drivers and stub software has to be developed to test incompatible software. The " driver" is a program that accepts the test data and prints
Write about drivers and stubs. Drivers and stub software require to be developed to test incompatible software. The " driver" is a program that accepts the test data and pri
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