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What does Level0 DFD means?
Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bubble with input and output indicated by incoming and outgoing arrows.
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
Data accuracy Don't collect redundant data The questions to be answered should be decided in advance and the needed data identified. Tell people why the data is being co
Explain the difference between Latent and Masked Defect. Latent Defect is one which has been in the system for a long time; but is discovered now. I.e. A defect which has been
What is the use of User Interface prototyping? This prototyping is used to pre-specify the look and feel of user interface in an effective way.
What are the characteristics of software measurement? Measured property Object of measurement Source of measure Purpose measurement Context of measurement.
Q. Explain Static multivariable model? They relies on several variables representing various aspects of the software development environment for example methods used and user p
Explain exploratory testing. - In exploratory testing approach testers are included in minimum planning and maximum test execution. - The planning contains creation of a tes
Explain in detail about Functional Modelling. This model explains the computations that take place within a system. This model is useful when the transformation from t
A walk-through is an informal meeting for informational purposes or evaluation.
Define Fan-in & Fan-out. Fan-out - A measure of the number of modules that are directly controlled by another module. Fan-in- Shows how many modules directly control a give
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