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Write short note on the various estimation techniques.
Algorithmic cost modelling - the cost estimation is depend on the size of the software. Expert judgement - The experts from software development and the application domain apply their experience to estimate software costs.
Estimation by analogy - The price of a project is computed by comparing the project to a like project in the same application domain and then cost can be computed. Parkinson's law - The cost is determined by available resources rather than by objective assessment. Pricing to win - The project costs whatever the customer ready to pay out it.
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
what is the advantage of Iterative Enhancement Model in developing a system?
Q. What do you mean by Core dumps? Core dumps are a repairing technique. A printout of all applicable memory locations is obtained and studied. All dumps must be well documente
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
Distinguish between alpha and beta testing. Alpha and beta testing are the kinds of acceptance testing. Alpha test: The alpha testing is attesting in which the version of compl
Mention some of the Design principles. The design process should not vary from tunnel vision. The design should not reinvent the wheel. The Design should exhibit unifo
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities tha
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
Discuss spiral model for software life cycle SPIRAL MODEL The spiral model is classified into number of frame works. These frameworks are represented by task regions.
What is Compatibility testing - It's a non-functional test performed on a software system or component for checking its compatibility with the other parts in computing environm
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