3 SEPTEMBER 2021 CURRENT AFFAIRS QUIZ

The object-oriented development life cycle is which of the following?

Analysis, design, and implementation steps in any order and going through the steps no more than one time.

Analysis, design, and implementation steps in the given order and going through the steps no more than one time.

Analysis, design, and implementation steps in the given order and using multiple iterations.

Analysis, design, and implementation steps in any order and using multiple iterations.

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The term Complete for a UML has the same meaning as which of the following for an EER diagram?

Partial specialization rule

Overlapping rule

Disjoint rule

Total specialization rule

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An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end.

False

True

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The term Incomplete for a UML has the same meaning as which of the following for an EER diagram?

Total specialization rule

Partial specialization rule

Disjoint rule

Overlapping rule

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When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line.

False

True

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The reasons for overriding include extension, restriction, and optimization.

True

False

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A derived element is typically shown by placing either a slash (/) or a stereotype of <> before the name of the element.

True

False

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Multiple inheritance allows a class to inherit features from more than one superclass.

True

False

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An abstract class is which of the following?

A class that has no direct instances, but whose descendants may have direct instances.

A class that has no direct instances, but whose descendants may not have direct instances

A class that has direct instances, but whose descendants may not have direct instances.

A class that has direct instances, but whose descendants may have direct instances.

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Multiplicity is the same as what concept for an ERD?

Attribute

Cardinality

Relationship

Entity

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