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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Define coupling and Discuss various types of coupling? Define coupling. Discuss various types of coupling. Ans: A Coupling is the measure of the degree of interdepende
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Requirements Analysis of SDLC Requirements describe "What" of a system. Objectives which are to be achieved in Software process development are requirements. In requirements a
What is the meaning of cardinality in data modelling? Cardinality in data modelling, cardinality specifies how the of occurrences of one object is linked to the number of occur
Q. Define a Class diagram with example? Class diagram: A class diagram in the UML (Unified Modelling Language) is a type of static structure diagram that describes the struct
Q. What is Function points? Function points : Function point calculates the functionality from the user opinion that is on the basis of what the user request and receives in r
What is Data Dictionary? Data dictionary is a storehouse of data giving information about data. It is a list of terms and their meaning for all data items and data files of a s
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
Introduction Energy consumer in the computer system is getting critical all around the globe now. Therefore, the ability to figure out the components that consume energy in sys
Problem : (a) What does a UseCase Diagram represent? (b) Draw a UseCase Diagram for the above case study. (c) For any one use case give a detail use case specification.
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