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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.
How do stubs and drivers are related to manual testing? - Drivers and stubs are a part of incremental testing. - The two different techniques used in incremental testing are
What is the development lifecycle? Why is it useful? Describe the activities carried out at each stage Determination of scope Requirements specification Design Coding Testing Maint
What is a data object? Data object is a collection of attributes that act as an aspect, characteristic, quality, or descriptor of the object.
Product metrics: explain the characteristics of the product such as size, complexity, design features, performance, efficiency, reliability, portability, etc.
Q. Define the Equivalence class? Equivalence class:-It represents a set of valid or else invalid states for input conditions. An input condition is a specific numeric a set of
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
Write the Importance of standards. Encapsulation of best practice- avoids repetition of past mistakes. They are a framework for quality assurance processes - they include ch
CARS-LMS: In this section let us try to learn about a different software package, which is commonly used in some of the libraries abroad. The package is known as CAIRS/LMS or
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
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