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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.
Cardinality & Optionally Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinal
describe process
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
List the principles of a software design. i. The design process should not suffer from "tunnel vision". ii. The design should be traceable to the analysis model. iii. The
What are the conditions exists after performing validation testing? After performing the validation testing there exists two conditions. The function or performance characteris
a) An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein method
Q. Define Reverse Engineering? What are the main objectives of reverse engineering? Ans: The reverse engineering is the procedure of generating representations that are imple
ISO 9000 certification Quality standards and procedures should be documented in an organisational quality manual. An external body might be certify that an organisation's qu
What are the types of software maintenance? Corrective maintenance - Means the maintenance for correcting the software faults. Adaptive maintenance - Means maintenance for a
Q. What is Equivalence Partitioning? Equivalence Partitioning:-Equivalence partitioning is black box testing method that divides the input domain of a program into classes of d
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