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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.
Bottom-up testing is a method of integration testing. A test engineer makes and uses test drivers for components that have not yet been developed, because, with bottom-up testing,
Iterative Enhancement Model This model was developed to remove disadvantages of waterfall model. In this model, phases of software development remain the same however the cons
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to assume effort as a function of line of codes (LOC)
What are the causes behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assumpt
need of platform assignment system
Define the process of Software development Software development underwent revolutionary changes. Rather than a programming teamin an organisation, full-fledged software compan
Explain about rapid prototyping techniques. Used to animate the system specification. It is expressed in a formal, mathematical language to provide a system prototype
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
Evolutionary Development model. Evolutionary Development Model : Evolutionary development model resembles iterative enhancement model. The similar phases as defined for the w
where star topology used in daily life
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