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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.
1) The relationship between characters or groups of characters independent of their meanings or the manner of their interpretation and use; 2) The formation of expressions in a
Hybrid design: Pure top-down or pure bottom up approaches are often not practical thus hybrid approach which combines the above two approaches is often used.
what is constructor overloading
Equivalence class testing Equivalence class testing is based on partitioning the input domain of a program into a number of equivalence classes so that the test of a representa
What happens when GUI maps are loaded? When a GUI map is loaded following things take place: - All object logical names, window information and physical descriptions gets lo
Sample answered questions
A town comprise 5000 houses. Every house owner should pay tax based on the value of house. Houses over $200 000 pay 2% of their value in tax, houses over $100 000 pay 1.5% of their
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The terms "test scenario" and "test case" are certain used synonymously. Test scenarios are test cases or test scripts, and the series in which they are to be implemented. Test sce
QUESTION (a) Draw a use case diagram (UCD) for the given case study. For any one use case give a detail use case specification (b) Describe the different phases and workflow
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