Question # 1

What problem(s) may occur when we copy objects without using deep copy constructor?

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Dangling pointe

Memory Leakage

All of the given

System crash

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

None of the given

Multiple inheritance can be of type

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Public

Private

Protected

All of the given

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.

We achieve independence of internal implementation from its external interface through-----------

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Encapsulation

Information Hiding

Abstraction

both encapsulation and information hiding

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

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

Which of the following is not an example of multiple inheritances?----------

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Mermaid

Woman

None of the given

Amphibious Vehicle

Two important STL associative containers are _______ and _______.

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set,map

sequence,mapping

setmet,multipule

sit,mat

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.

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

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