Computer MCQ

Which type of features are implemented in subclass in inheritance?

Which type of features are implemented in superclass in inheritance?

Which of the following represents exclusive relationship between two classes?

Which of the following represents non-exclusive relationship between two classes?

What is a relationship called when there is ‘has- a’ or ‘a-part-of’ relationship between two classes?

For which of the following values of attribute more than one class may be associated with each other?

Which of the following are distinguished by their state?

Which of the following together can a class encapsulate as a template that can be shared by all objects?

Which of the following encapsulates attributes (data) and methods (behavior or functionality) together as a template that can be shared by all objects?

On which of the following two does focus lie in object-oriented programming?

In which of the following does object-oriented methodology play significant role?

What is represented using class-diagram?

By which of the following is class made in composition?

In which of the following classes do not inherit from other classes, but are composed of other classes?

‘Which of the following statements is true for inheritance?

Which type of relationship exists between superclass and subclass in inheritance?

In which classes does ‘a-kind-of’ relationship exist in inheritance?

Which of the following is an example of multilevel inheritance?

When one class is derived from second class and second class is derived from third class; State what it is known as.

Which of the following class is a specialized version with additional attributes and methods?

In which of the following class are common attributes and methods defined?

Which relationship refers between two classes where one class is a specialized version of another class?

‘Which of the following is a class-diagram if teacher class is created in Person class?

By using arrow pointing to which class in class- diagram is inheritance represented?

By using which type of pointing to superclass in class-diagram is inheritance represented?

“Inheritance allows the methods to be redefined in subclass as per need.” Specify this statement.

What can be done in sub class?

Which feature provides reusability where existing methods can be reused without redefining?

Choose the data attributes and methods of the class that are available to objects in the subclass without rewriting their declaration.

What is called an existing class in object-oriented terminology?

What is called a new class in object-oriented terminology?

Which relationship is appropriate when one class is a kind of other class?

Which of the following refers to the capability of defining a new class of objects that inherits the characteristics of another existing class?

Which of the following is referred to as ‘is-a- kind-of’ relationship between two classes?

Which class is an example of aggregated class when Person class has Name and Address class?

Which class is an example of aggregating class when Person class has Name and Address class?

What is known as the class when it is contained in owner class?

What is known as the class when it contains object of other class?

With which symbol is aggregation represented in class-diagram?

How much is the object class affected when an object of aggregation class is deleted in composition?

Which of the following is a strong type of aggregation where the lifetime of the part class depends on the existence of the owner class?

Which of the following represents exclusive relationship between two classes?

In which of the following is the life of an object of the part class not determined by the owner class?

In which of the following can the class that forms part of the owner class exist independently?

Which of the following represents non-exclusive relationship between two classes?

Which attributes will a class contain when we define a class ‘computer’?

A computer screen is a class with following attribute?

Which relationship does aggregation or composition represent between different classes?

What is called when objects of one class are composed of other class?

What is called the capability of using same names to mean different things in different context in general?