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Iterative waterfall model
The iterative waterfall model is as shown in the following figure.
Requirements
Implementation
Testing
Design
Maintenance
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.
How can a company improve quality of business information?
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
#question2. Explain any ten CASE tools...
What is Risk Assessment? Ans) A associated impact and its comprehensive evaluation of the risk
Software
Waterfall Model It is the oldest, simplest and most widely used process model. In waterfall model, every phase of the life cycle is finished before start of a new phase. It's
What is the difference among an implicit and an explicit conceptual model?
Q. Describe the various types of restructuring techniques? Ans. Software restructuring modifies source code as well as data an effort to make it amenable to future changes
Distinguish between verification and validation. Verification is the set of activities that ensure that software properly implements a specific function. Validation is a differ
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