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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.
An activity in which a system or component is implemented under specified conditions, the results are observed and an evaluation is made of some problem of the system or component.
What is software engineering? Software engineering is a regulation in which theories, methods and tools are applied to make professional software.
What are the demerits of spiral model? i. It is depends on customer communication. If the communication is not suitable then the software product that gets developed will not r
What is reverse engineering? It is a process of examining software with a view to understanding its design and specification. - In reverse engineering, source code and i
What are the advantages and disadvantages of big-bang? Advantages: This approach is simple. Disadvantages: It is hard to debug. It is difficult to isolate errors while testi
Q. Describe incremental model? Define core product and detailed plan. Ans. The incremental model is proposed by D.L PARNAS. It is basically implemented by combining elements
ER Diagram for Safe Home Systems
Explain Cardinality & Modality ?
You are to develop a Clinic System . 1. Identify and briefly explain the objects, classes, methods and attributes for the Clinic System. 2. Draw a use case diagram to represe
Software metric Any type of measurement which relates to a software system, process or related documentation Lines of code in a program, the Fog index, number of person-days
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