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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.
classification of computer application
what are the basic advantages of using interrput-initiated data transfer over transfer under progrm control without an interrput
What is RAD Approach As the term suggests, this model gives a quick approach for software development and is based on a linear sequential flow of numerous development processe
What is Test log? A chronological record of all relevant details about the implementation of a test.
EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp
Q. What is Code Restructuring? Code Restructuring : It is performed to acquiesce a design that produces the same function but with higher quality than the original program. Ge
What are the elements of design model? i. Data design ii. Architectural design iii. Interface design iv. Component-level design
What is bottom-up approach? System developed beginning from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
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