Question # 1

Given the following class class Base{ int Age=33; } How you can improve above class with respect to accessing the field Age?

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Define the variable Age as private

Define the variable Age as protected

Define the variable Age as private and create a get method that returns it and a set method that updates it

Define the variable Age as protected and create a set method that returns it and a get method that updates it

C++ compiler does not allow to dynamically allocate memory for object

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False

True

Not sure

Which of the following are an advantage of OOP?

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OOP makes it easy to re-use the code

It provides an ability to create one user defined data type by extending the other

It provides the facility of defining Abstract data types through which real world entities can be defined better

All of the given options

Which part of an object exhibits its state?

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Data

Operations

Any public part

Any private part

Encapsulation means

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Extending the behaviour of class in another class

Data and behaviour are tightly coupled within an entity

One entity takes all the attributes and operations of the other

Taking out the common features and put those in a separate class

Which of the following operators can not be overloaded?

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Scope resolution operator ( :: )

Insertion operator ( << )

Extraction operator ( >> )

The relation operator ( > )

Which sentence clearly defines an object?

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one instance of a class

another word for a class.

a class with static methods.

a method that accesses class attributes.

To convert from a user-defined class to a basic type, you would most likely use

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a built-in conversion operator

a one-argument constructor.

an overloaded = operator.

a conversion operator that’s a member of the class.

Vectors contain contiguous elements stored as a[an] ___.

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variable

array

function

datatype

Which of the following is/are advantage[s] of generic programming?

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Reusability

Writability

Maintainability

All of given

Suppose you create an uninitialized vector as follows: vector evec; After adding the statment, evec.push_back(21); what will happen?

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The following statement will add an element to the start (the back) of evec and will initialize it with the value 21

The following statement will add an element to the center of evec and will reinitialize it with the value 21

The following statement will delete an element to the end (the back) of evec and will reinitialize it with the value 21

The following statement will add an element to the end (the back) of evec and initialize it with the value 21.

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CS-304 Final Term Exams Preparation Virtual University MCQs With Answers

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