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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
Q. How is software design different from coding? Ans: Points of difference among software design as well as coding can be laid down as under: Design : 1. Design is mo
true/false small errors in syntax or spelling of a line of code will not affect the results
Define Verification &Validation. Verification : The set of actions that make sure software correctly implements a particular function. Validation : The set of actions that
Enginnering the product Because of complexity involved in software development, engineering approach is being used in software design. Use of engineering approach in area of re
Explain the persistent class maps to one relational table In most of cases, persistent class maps to one relational table (keeping aside inheritance issue, for the moment). In
Explain Error guessing? Ans) Test data selection method. The selection criterion is to pick values that seem likely to reason errors.
State the technique Pilot used in software engineering With this approach, new system is introduced into one part of the company (for example into one warehouse of a supermark
Determine the aspects of prototyping model. Figure below portrays prototyping model. Prototype model has the below aspects: (i) It helps in determining user requirements
Q. Illustrate the relationship between Time and cost? In software projects, time cannot be freely exchanged against cost. Such a trade off is limited by the nature of the softw
Compare and contrast two operating systems
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