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Write definition of DFD?
Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
Difference between Verification and Validation Verification is Static whereas Validation is Dynamic. This means in Verification the s/w is inspected by looking into the code go
What is the advantages of Iterative model This model is useful when less manpower is available for software development and release deadlines are tight. It's best suited for in
Q. Compare the Manpower and development time? Manpower may perhaps refer to labour Manpower either an abstract term for human labour effort as opposed to machines, animals a
what is meant by gantt chart who gave the name who is the founder
What is Software failure? Software failure happens when the software does not do what the user wants to see.
Describe design walk throughs A design walkthrough is a quality practice that allows designers to obtain an early validation of design decisions related to the development and t
Determine the common problems with software automation ? The biggest concern is the cost incurred for test automation. Also, often s/w test automation needs skilled personnel an
Which phase is not available in software life cycle? Abstraction is the only phase which in not available in software life cycle
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