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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.
Case Study: LHM is a London based privately owned hospital which provides healthcare to its patients. The hospital uses in-house software to manage and service its patients whi
Q. Differentiate between structured analysis and structured design? Ans. The aim of structured examination is to transform the textual description of a problem into a graphic
Why WinRunner may fail to identify an object on a GUI? WinRunner may fail to recognize an object in a GUI in below cases: - If it isn't a standard windows object - If the
Determine the process of software Coding The input to coding phase is the SDD document. In this stage, design document is coded according to module specification. This phase t
Explain Testability? Ans) (1) The degree to which a scheme or component facilitates the establishment of test criteria and the performance of tests to verify whether those crite
Define White box testing White box testing method deals with the internal logic and structure of the code. White box testing also called as glass, structural, branches, paths
What is Coupling? Coupling is the measure of interconnection among modules in a program structure. It depends on the interface complexity among modules.
Explain the design steps of the transform mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transf
How is cyclomatic complexity useful in program test? Cyclomatic complexity calculates the amount of decision logic in a single software module. It is used for two related purpo
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
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