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Alpha testing and Beta testing
Alpha testing is conducting acceptance testing in the environment where the application was formed. It is done by the customer. Beta testing is conducting acceptance testing is the customer environment. It is completed by the group of customers or users who will actually be using it
Explain virtual memory? Ans) Virtual memory tells to virtual storage. In virtual storage, portions of a user's program and data are placed in auxiliary storage, and the operatin
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
Write about drivers and stubs. Drivers and stub software require to be developed to test incompatible software. The " driver" is a program that accepts the test data and pri
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 meant by software prototyping? Software prototyping is a process of creating a model for the software product. This is developed based on the currently known requiremen
What is architectural evolution? Architectural evolution is the method of changing a system from a centralized architecture to a distributed architecture as client server.
Encapsulation An object expresses the data and information it contains and supports a well described abstraction. Encapsulation leads to the separation of the interface and ex
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
List the guidelines for data design. i. Apply systematic analysis on data. ii. Determine data structures and related operations. iii. Establish data dictionary. iv. Us
Consider a program that registers students for different programs. The students fill up a form and submit it. This is sent to the departments for confirmation. Once it is confirmed
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