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Data Flow Diagrams (DFD)
It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.
Q. List four reasons why it is difficult to improve software process. Ans It is difficult to get better software process due to following reasons: 1. Lack of knowledge-
What are the umbrella activities of a software process? Software project tracking and control. Risk management. Software Quality Assurance. Formal Technical Reviews.
Question: Consider the University modular degree scheme where students choose a selection of modules from a large menu. Here we have the basic types [PERSON, MODULE], the set o
What does it mean by business process engineering tools ?
Behavioral Analysis Model The Behavioral analysis is an operational technique for all requirement analysis techniques. When a sensor event is recognized the software invokes
Question: (a) "People have recourse to outsourcing only for reducing cost". Show this statement on the motivations for outsourcing. (b) "Outsourcing is a threat to the co
Formal technical review in railway reservation system
Q. What is verification? Ans. Verification is the procedure of determining whether the output of one phase of software development conforms to that of its previous phase wh
Write about drivers and stubs. Drivers and stub software has to be developed to test incompatible software. The " driver" is a program that accepts the test data and prints
In software QA or software testing, a parameter is an item of information - like a name, number, or selected option - that is approved to a program, by a user or another program. B
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