MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An abstraction relationship is a dependency between model elements that represents the same concept at different levels of abstraction or from different viewpoints. You can add abstraction relationships to a model in several diagrams, including use-case, class, and component diagrams.

Detailed explanation-2: -Things are the abstractions that are first-class citizens in a model; relationships tie these things together; diagrams group interesting collections of things. These things are the basic object-oriented building blocks of the UML. You use them to write well-formed models. Structural things are the nouns of UML models.

Detailed explanation-3: -Interface − Interface defines a set of operations, which specify the responsibility of a class. Collaboration −Collaboration defines an interaction between elements. Use case −Use case represents a set of actions performed by a system for a specific goal. Component −Component describes the physical part of a system.