Question # 1

Non Template Friend functions of a class are friends of ________instance/s of that class.

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All

One specific

All instances of one date type

None of the given options

The >= operator can be overloaded.

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True

False

Not Sure

Suppose obj1 and obj2 are two objects of a user defined class A. An + operator is overloaded to add obj1 and obj2 using the function call obj1+obj2. Identify the correct function prototype against the given call?

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A operator + ( A &obj);

int + operator();

int operator (plus) ();

A operator(A &obj3);

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

When we write a class template the first line must be:

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template < class class_name>

template < class data_type>

templete< class T >

Here T can be replaced with any name but it is preferable

class class-name() class template

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

dentify the correct way of declaring an object of user defined template class A for char type members?

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A< char > obj;

< char > A obj;

Obj < char > A;

Which one of the following terms must relate to polymorphism?

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Static allocation

Static typing

Dynamic binding

Dynamic allocation

Algorithms can only be implemented using STL containers.

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True

False

Not Sure

A C++ class is similar to --------------------

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Structure

Header File

Library File

None of the given

An abstract class is useful when,

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We do not derive any class from it.

There are multiple paths from one derived class to another

We do not want to instantiate its object.

You want to defer the declaration of the class

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

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