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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.
Testing that collects timing and processing information during program implementation that might change the behavior of the software from its behavior in a actual environment. Usua
Define measure and metrics. Measure is a quantitative indication of the extent, dimension, amount or size of some attribute of a product or process. Metrics is termed as th
When must you stop testing? It is very difficult to determine as many modern software applications are complex and run in such an interdependent environment that complete testi
Q. How Messages can be used in software engineering? Messages:- The interaction or communication between the different objects and classes is done by passing messages. The ob
Q. Explain the cost drivers and EAF of the intermediate COCOMO model? Ans. There are 15 different attributes described as cost drivers' attributes that determine the multiply
Q. Illustrate Detailed COCOMO model? Detailed COCOMO it incorporates all characteristics of the intermediate version with an assessment of the cost driver's impact on every ste
What are interrupts In a microprocessor system, there are three main types of interrupt that cause a break in the normal implementing of a program
Maintain you are involved in a large project concerning the development of a patient management system for a hospital. You may opt for one of two plans. The first plan is to start
what is iterative and evolutionary developments? how iteration help in refining requirements
What are task regions in the Spiral model. Customer communication - In this region it is recommended to establish customer communication. Planning - All planning doings are
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