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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.
What are the two levels of testing? i. Component testing Individual components are tested. Tests are derived from developer' s experience. ii. System Testing The group
Modified ER diagram representing cardinalities When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Ma
Q. What problems arise if two modules have high coupling? Ans: Coupling signifies the interconnection of different modules with each other or we can say it tells about the in
What is Software configuration management? ans)Software Configuration Management (SCM) is the control and the recording of alter that are made to the software and documentation
What is Up time? "Up time" is the time period when a method is operational and in service. Up time is the sum of idle time and busy time.
Explain Evolutionary prototyping Objective: The principal objective of this model is to deliver the working system to the end-user. Example-AI systems. Advant
Illustrate about web-testing - Web testing is software testing concentrating on web applications. - It assists in addressing issues before making the application live to pub
A manifestation of an error in software. A fault, if encountered, might cause a failure.
Cohesion for Each Module? Compute average daily temperatures at various sites Initialize sums and open files Create new temperature record Store temperature record Close files and
Q. Briefly explain Integration Testing? Integration Testing: In this the module are methodically integrated and tested to find protocol design error, interface problems, errors
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