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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.
Software Engineering 1. Give the two roles of the software process. 2. Describe software maintenance and it types. 3. What is RAD model and its phases? 4. What do you
Explain the role and functions of a Systems Analyst in the overall project development.
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsystem
Explain about rapid prototyping techniques. Executable specification languages. Used to living the system specification. It is expressed in a formal, mathematical la
What are the Problems in comes in SRS There are numerous features which make requirements analysis difficult. These are explained below: 1. Complete requirements are diffic
Illustrate Evolutionary prototyping Objective: The main objective of this model is to show the working system to the end-user. Example-AI systems. Advantages
Explain Quick-fix Model Quick-fix Model : This is the easiest model used for the maintenance of the software. In this model changes at the code level are made as early as poss
Explain in detail about software Maintenance. Software maintenance is an action in which program is modified after it has been put into use. Maintenance is termed as the
how to make script file volume of pyramid
Regression testing It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side effect
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