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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.
Define the Behavioural Model It defines operational behaviour of the system. In this model, numerous operations of the system are represented in pictorial form. Tools used to
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List the important properties of a modular system. Desirable properties are:- Every module is a well defined subsystem useful to others Every module has a well defined single
1. Take a look at the code and try to understand the logic, particularly, the way scrambled words are disambiguated, i.e.., whether they are matched successfully against a correct
Explain any two graphical design notations used in procedural design
Define software testing. Software testing is a process used to help recognize the correctness, completeness and superiority of developed computer software. With that in mind, t
Describe the advantages of proper inheritance. The biggest advantages of proper inheritance are: a.) substitutability and b.) extensibility.
What are the conditions exists after performing validation testing? After performing the validation testing there two situations arise. The function or performance characterist
What are the tools are mainly used for information gathering 1. Record review: A review of recorded documents of organisation is performed.Manuals procedures, forms and book
Practical process quality Explain process standards such as how reviews should be conducted, configuration management, etc. Monitor the development process to make sure that
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