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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.
Productivity and difficulty Productivity refers to metrics and measures of output from production processes, per unit of input. Productivity P may be conceived of as a metric
Iterative Enhancement Model Iterative Enhancement Model: This model has the similar phases as the waterfall model, but with fewer restrictions. Normally the phases happen in th
What is a modular system? A modular system having of well defined manageable units to well defined interfaces between them.
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What are the assumptions of the execution-time component model? The execution-time component is based on the several assumptions: (1) Tests show the environment in which the
Mention some of the Design principles. a. The design process should not suffer from tunnel vision. b. The design should not reinvent the wheel. c. The Design sh
What are the types of software maintenance? Corrective maintenance - Means the maintenance for correcting the software faults. Adaptive maintenance - Means maintenance for a
Software faults are unseen programming errors. Software faults are errors in the correctness of the semantics of computer programs.
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