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Explain the waterfall model. Explain why it is more advantageous than adhoc methods.
Ans Waterfall Model:
1.The waterfall model is a chronological software development process in which progress is seen as flowing steadily downwards (like a waterfall) through the phases of Initiation, Conception, analysis, design (validation) and testing Construction and maintenance.
2. The first official description of the waterfall model is given by Winston W. Royce in 1950 nevertheless popular in 1970 and further refined by Barry Boehm.
3. To follow the waterfall model one carries on from one phase to the next in a purely sequential manner. For instance one first completes requirements specifications which are set in stone. When the requirements are completely completed one proceeds to design.
4. Process structured as a tumble of phases where output of one is input of next.
5. Several variants of model depending on organization and specific project. However underlying phases are same for all.
notation of requirement of specification
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Give explanation about the incremental model. - Have same phases as the waterfall model. - Phases are as follows: Analysis. Code. Design. Test. Incre
i want a complete example
What does modality in data modeling indicates? Modality shows whether or not a particular data object must participate in the relationship.
You need to test a system though there is no documentation available and developers who developed it don't work there anymore. What would you do? - We will perform exploratory
What is bottom-up approach? System developed beginning from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
Create a compound data type called Post to store messages posted on Google+. Post should include: Name / Data Type / Description date / char [9] / date fields for
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