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Differentiate between testing and QA.
- Quality Assurance is more a preventive thing, which ensures quality in company and hence the product instead of just testing the product for software bugs whereas testing means 'quality control'.
- Quality control measures quality of a product whereas quality assurance measures quality of processes used to create a quality product.
Why Software maintenance is require Software maintenance is done due to the below factors. i) To rectify the errors which are encountered during the operation of software.
What is Walkthrough? Ans) Usually, a step-by-step simulation of the implementation of a procedure, as when walking by code, line by line, with an imagined set of inputs. The wor
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
System flowcharts System flowcharts are used to demonstrate how all the components in a system link together (for example input, storage, output, processing etc.). They are ver
Performance testing signifies loads, volumes, and response times, as described by requirements. Although performance testing is a part of system testing, it can be regarded as a ex
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
Write down any four application of a stack. (i) Conversion of infix to postfix form (ii) Reversing of a line. (iii) Removal of recursion (iv) Evaluating post fix expression
Importance of function point: This is independent of the languages tools, or methodology used for execution. They can be estimated from requirement specification or desig
Fan in/Fan-out :- Fan-in is a measure of the number of process or functions that call some other function or process (say X). Fan-out is the number of functions that are known
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
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