Derived Classes, Templates & Exception Handling in C++ Quiz 1

1 / 50

Pick out the correct statement.

A derived class?s destructor cannot invoke its base class?s destructor

A derived class?s constructor cannot explicitly invokes its base class?s constructor

A derived class?s destructor can invoke its base & derived class?s destructor

A derived class?s destructor can invoke its base class?s destructor

2 / 50

From where does the template class derived?

templated class

regular non-templated C++ class

main function

regular non-templated C++ class or templated class

3 / 50

Which class is used to design the base class?

derived & base class

derived class

abstract class

base class

4 / 50

How many constructors can present in a class?

multiple

5 / 50

Pick out the correct statement about string template.

It is used to delete a string

It is used to replace a string with another string at runtime

It is used to replace a string

It is used to create a string

6 / 50

What is the syntax of class template?

temp <paramaters> class declaration

Temp <paramaters> class declaration

Template <paramaters> class declaration

template <paramaters> class declaration

7 / 50

Which of the following can derived class inherit?

both members & functions

classes

functions

members

8 / 50

What can be passed by non-type template parameters during compile time?

float

constant expression

string

int

9 / 50

What does derived class does not inherit from the base class?

friends

constructor and destructor

operator = () members

all of the mentioned

10 / 50

Which is used to describe the function using placeholder types?

template type parameters

type parameters

template parameters

template type

11 / 50

What is meant by container ship?

class contains objects of other class types as its members

class contains objects of other class types as its members 9 also objects

class contains objects of other class types as its members 7 also objects

class contains objects of other class types as its objects

12 / 50

Which is the correct statement about pure virtual functions?

Pure virtual function is implemented in derived classes

They should be defined inside a base class

Pure virtual function cannot implemented in derived classes

Pure keyword should be used to declare a pure virtual function

13 / 50

Pick out the correct option.

We can make an instance of an abstract base class

We can make an instance of an abstract derived class

We can make an instance of an abstract super class

We cannot make an instance of an abstract base class

14 / 50

What is an abstract class in C++?

Class specifically used as a base class with atleast one pure virtual functions

Class from which any class is derived

Class specifically used as a base class with atleast one virtual functions

Any Class in C++ is an abstract class

15 / 50

What are Templates in C++?

A feature that allows the programmer to make program modular

A feature that allows the programmer to write generic programs

A feature that allows the programmer to write specific codes for a problem

A feature that does not add any power to the language

16 / 50

Which is the correct syntax of defining a pure virtual function?

pure virtual return_type func();

virtual return_type func() = 0;

virtual return_type func();

virtual return_type func() pure;

17 / 50

What is meant by pure virtual function?

Function which does have definition of its own

Function which does not have definition of its own

Function which does not have any return type

Function which does not have any return type & own definition

18 / 50

How many kinds of classes are there in c++?

19 / 50

Which is also called as abstract class?

virtual function

derived class

pure virtual function

base class

20 / 50

Which keyword is used for the template?

temp

Template

Temp

template

21 / 50

How many parameters are legal for non-type template?

22 / 50

In how many ways templates concept can be used?

23 / 50

What is meant by polymorphism?

class having four forms

class having two forms

class having only single form

class having many forms

24 / 50

How many types of the constructor are there in C++?

25 / 50

How many types of inheritance are there in c++?

26 / 50

What may be the name of the parameter that the template should take?

same as template

same as function

same as class

same as member

27 / 50

Where is the derived class is derived from?

class

both derived & base

derived

base

28 / 50

What is the difference between normal function and template function?

Unlike the template function, the normal function accepts more than one parameters

Template function works with any data types whereas normal function works with specific types only

The normal function works with any data types whereas template function works with specific types only

Unlike a normal function, the template function accepts a single parameter

29 / 50

What is the correct syntax of defining function template/template functions?

template <class T> void(T a){cout<<a;}

Template <class T> void(T a){cout<<a;}

Template <T> void(T a){cout<<a;}

template <T> void(T a){cout<<a;}

30 / 50

Pick out the correct statement.

it will take a long time to execute

duplicate code is increased

it will take a long time to execute & duplicate code is increased

you only need to write one function, and it will work with many different types

31 / 50

How many types of class are there in c++?

32 / 50

What is a pure virtual function in C++?

A function without definition in a base class

A virtual function defined in a base class

Any function in a class

A virtual function declared in a base class

33 / 50

Pick out the correct statement about the override.

Overriding has different names & it refers to a derived class

Overriding refers to a derived class

Overriding has different names

Overriding refers to a derived class function that has the same name and signature as a base class virtual function

34 / 50

What is the syntax of inheritance of class?

class name

access specifier class name

class name: access specifier

class name: access specifier class name

35 / 50

Pick out the correct statement about multiple inheritances.

Deriving a class from more than one direct derivedbase class

Deriving a class from more than one direct derived class

Deriving a class from one direct base class

Deriving a class from more than one direct base class

36 / 50

Which are done by compiler for templates?

portability

type-safe

prototype

code elimination

37 / 50

How to declare a template?

temp

temp()

template<>

tem

38 / 50

What is a function template?

creating a function with having an exact type

creating a function without having to specify the exact type

creating a function without having blank spaces

creating a function without class

39 / 50

Which constructor will initialize the base class data member?

derived & base class

derived class

base class

class

40 / 50

What should be the name of the constructor?

same as the member

same as the function

same as the object

same as the class

41 / 50

Where does the abstract class is used?

derived class

both derived & base class

base class only

virtual class

42 / 50

How many ways of reusing are there in the class hierarchy?

43 / 50

What is a template?

A template is used to delete the class

A template is used for creating the attributes

A template is a formula for creating a generic class

A template is used to manipulate the class

44 / 50

Which operator is used to declare the destructor?

45 / 50

What does inheritance allow you to do?

access methods

create a class

create a hierarchy of classes

create a method

46 / 50

How many types of templates are there in c++?

47 / 50

Templates simulate which of the following feature?

Abstraction

Encapsulation

Polymorphism

Inheritance

48 / 50

Which interface determines how your class will be used by another program?

private

void

protected

public

49 / 50

Which is used to create a pure virtual function?

50 / 50

Pick the correct statement.

Pure virtual function has no implementation in the base class whereas virtual function may have an implementation in the base class

Both Pure virtual function and virtual function have an implementation in the base class

Pure virtual functions and virtual functions are the same

The base class has no pure virtual function

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