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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. What is verification? Ans. Verification is the procedure of determining whether the output of one phase of software development conforms to that of its previous phase wh
Evolutionary prototyping Objective: The principal objective of this model is to deliver the working system to the end-user. Example-AI systems. Advantages
The sequence of testing is: a) Unit testing: b) Integration testing: Alpha Testing- Beta testing Acceptance Testing
Performance testing signifies loads, volumes, and response times, as described by requirements. Although performance testing is a part of system testing, it can be regarded as a ex
How do stubs and drivers are related to manual testing? - Drivers and stubs are a part of incremental testing. - The two different techniques used in incremental testing are
Structure chart: A structure chart is a top-down modular design tool, constructed of squares representing the dissimilar modules in the system, and lines that connect them. The l
Enumerate the evolution of software The below Table summarises evolution of software: 1960s Infancy Machine Code 1970s Project Years
Explain the Length of identifiers Length of identifiers :- This is a measure of the average length of separate identifiers in a program. The longer the identifiers, the more
What does Data abstraction contains? A Data abstraction is a named collection of data that defines a data object Eg: door Attributes: door type, Opening mechanism, Swing di
four circumstances where incremental model is appropriate?
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