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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.
What are business process engineering tools? By modeling the strategic information needs of an organization, business process engineering tools give a "meta-model" from which e
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
What is Data integrity? Ans) Data integrity is one of the six fundamental components of information security. Data integrity is the soundness, completeness and wholeness of the
Q. Describe the various steps of the reuse-oriented model? The reuse-oriented model, also called reuse-oriented development (ROD), is a method of software development in which
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 Operational Requirements? Ans) Qualitative and quantitative parameters that states the desired operational capabilities of a system and serve as a basis for determining
system architecture block diagram
Explain Basis Path Testing? Ans) Basis path testing is a white-box method. It permits the design and definition of a basis set of execution paths. The test cases created from th
Q. A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using DFD? Level 0
What is meant by software prototyping? Software prototyping is a process of producing a model for the software product. This is developed based on the recently known requiremen
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