Question # 1

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

In ________, a base class can be replaced by its derived class,

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Sub-typing

Super-typing

Multiple-typing

Restricted-typing

Default constructor is such constructor which either has no ---------or if it has some parameters these have -------- values

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Parameter, temporary

Null, Parameter

Parameter, default

non of the given

What a derived class can add?

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New data members

New member functions and New friend function

New constructors and destructor

All of 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

What is true about function templates?

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The compiler generates only one copy of the function template

The compiler generates a copy of function respective to each type of data

The compiler can only generate copy for the int type data

non of the given

A class template may inherit from another class template.

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True

False

Not Sure

Which one of the following functions returns the total number of elements in a vector.

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length();

size();

ele();

veclen();

Assume a class Derv that is privately derived from class Base. An object of class Derv located in main() can access

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public members of Derv.

protected members of Derv.

private members of Derv

protected members of Base.

Algorithms can only be implemented using STL containers.

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True

False

Not Sure

Which is not the Advantage of inheritance?

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providing class growth through natural selection.

facilitating class libraries.

avoiding the rewriting of code.

providing a useful conceptual framework.

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