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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
Write short notes on estimation models. Empirical estimation models can be used to complement decomposition techniques and present a potentially important approach in their own
What is the difference among an implicit and an explicit conceptual model?
INFORMATION STORAGE AND RETRIEVAL SOFTWARE: IBM (International Business Machines Corporation) was one of the earliest to invest money to develop software packages intended fo
Define sandwich testing. Testing joins the ideas of bottom-up and top-down testing by explaining a certain target layer in the hierarchy of the module.
Explain Horizontal partitioning 1. Explains separate branches of the. 2. Propagaton of fewer side-effects 3. Software is simpler to maintain
Explain in brief the concept of Functional independence ?
Checks the interfaces among program elements for consistency and adherence to predefined axioms or rules.
Distinguish between alpha and beta testing. Alpha and beta testing are the types of acceptance testing. Alpha test: The alpha testing is attesting in which the version o
Mention some of the drawbacks of RAD model. Not suitable for largescale projects. Commitment of developers & customers are required. Not appropriate when technical ris
EXPLAIN ABOUT DEFECT AMPLIFICATION AND REMOVAL IN SOFTWARE ENGINEERING
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