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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.
A supermarket requires to develop software to encourage regular customers. For this the customer requires to supply his name address telephone number and driving license number. A
Define coupling and Discuss various types of coupling? Define coupling. Discuss various types of coupling. Ans: A Coupling is the measure of the degree of interdepende
What are the two levels of testing? i. Component testing Individual components are tested. Tests are produced from developer's experience. ii. System Testing The group
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
Importance of Software Engineering As the application domains of software are becoming complicated and design of big software without a systematic method is virtually impossib
Searching the Database: Searching the database and printing the results of a search are important features associated with CDS/ISIS package. The query formulation strategy pro
Define maintenance. Maintenance is defined as the procedure in which changes are executed by either modifying the existing system's architecture or by adding new mechanism to t
classification of computer application
Q. Explain Common coupling with example? Common coupling: General coupling is when two modules share the same global data (example a global variable). Changing of the shared
what is the advantage of Iterative Enhancement Model in developing a system?
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