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explain dfd
Write down the functional requirement for an Library management system. The user should able to search either all of the initial set of databases or select a subset of datab
Explain the waterfall model. Waterfall Model: The waterfall model is a sequential software development model, in which progress is seen as flowing steadily downwards (such a
Software for Searching Online Retrieval Systems : Each of the major online systems has its own software which supports its activities oil a host computer. Many of these hosts h
Iterative Enhancement Model This model was developed to remove disadvantages of waterfall model. In this model, phases of software development remain the same however the cons
Define the Design phase of SDLC In this stage, a logical system is built which fulfils given requirements. Design phase of software development deals with transforming custome
a) An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein method
i have coursework on software management and dont know how to go about it. I want to find out if you will be able to help me on that. The task is to investgate(research informed pa
System flowcharts System flowcharts are used to demonstrate how all the components in a system link together (for example input, storage, output, processing etc.). They are ver
Discuss in details about Functional Modeling. This model describes the computations that take part within a system. This model is helpful when the conversion from the inp
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