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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.
Describe component testing. - Component testing is also called as module, unit or program testing. - It looks for defects in software and verifies its functioning. - It c
#questionFrame Diagrams We discussed the importance of framing a problem in order to understand the problem better and be able to develop a solution more quickly and easily. In thi
What is meant by Software Engineering? The application of a disciplined, systematic, quantifiable approach to the development, maintenance & operation of software. (i.e.)The En
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
ER Diagram for Safe Home Systems
Importance of Software Engineering As the application domains of software are becoming complicated and design of big software without a systematic method is virtually impossib
Explain Test Procedure? Ans) The formal or informal process that will be followed to execute a test. This is usually a written document that permits others to implement the test
What are the different types of Cohesion? i. Coincidentally cohesive -The modules in which the set of tasks are related with each other loosely then such modules are known as
What is quality? Quality, simplistically, means that a product should meet its requirement. This is problematical for software systems. There is a tension among custom
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
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