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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.
Distinguish between alpha and beta testing. Alpha and beta testing are the types of acceptance testing. Alpha test: The alpha testing is attesting in which the version o
Structure of design It allows the decomposition of a large system into smaller, more manageable units with well explained relationships to the other units in a system. N
The restructuring helps in maintaining a program in the following ways: (a) Programs have higher quality, good documentation, less complexity, and conformance to modern
online admision application
What is Exception? Ans) An event that causes suspension of normal program implementation. Types contain addressing exception, operation exception, data exception, overflow excep
What is Stress testing - It checks the robustness of application. - It verifies that application consistently provides satisfactory performance under unfavourable and extre
I am working on DD development project and I am using 475 field communicator for testing DD. While development of DD, I tested DD with SDC 625 PC application using HART modem. I h
How can you create the new system System is to be computerised. Following will be created: (i) All DVD and CD data will be stored on a database (ii)
Bottom-up approach, as the name suggests, is the differing of the Top-down method. This process begins with building and testing the low level modules first, working its way up
Write about the types of project plan. Quality plan - This plan explains the quality procedures and standards that will be used in a project. Validation plan - This plan explai
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