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A strategy for software testing integrates software test case design methods into a well - planned series of steps that result in the successful construction of software.
Common Characteristics of Software Testing methods are
-Testing starts at module level and works outward towards the integration of the whole system.
-Different testing methods are appropriate at different points in time.
-Testing is conducted by the developer of the software and for large projects by an independent test group.
-Testing and debugging are dissimilar activities, but debugging must be accommodated in any testing strategy.
Define Data Flow Diagram. A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output. T
RAD Model Rapid Application Development Model is the part of incremental model. Achieves the high speed development using component based construction. Phases
Q. Differentiate between functional testing and structural testing. Ans: Functional testing signifies behavioural testing or Black box testing. In this techniques the teste
Q. Resource usage with reference to software reliability models? Resource usage: It is linearly proportional to implementation time t and mean failures experienced μ. Let Xr
Q. Explain cause effect graphing? Cause-effect graphing is the test case design technique that offers a concise representation of logical conditions and corresponding actions
Describe system testing. System testing: System test are designed to authenticate a fully developed systems with a view to assuring that it meets its requirements. There
Dynamic and static metrics Dynamic metrics are closely related to software quality attributes It is relatively easy to measure the response time of a system (performance
Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.
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Q. Illustrate Partitioning in stepwise refinement? Problems are frequently too large and complex to be understood as a whole. Therefore we tend to partition such problems into
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