Source Files, Classes and Operator Overloading in C++ Quiz 1

1 / 50

Which functions of a class are called inline functions?

All the functions containing declared inside the class

All the functions that are defined outside the class

All functions defined inside or with the inline keyword

All the functions accessing static members of the class

2 / 50

Constructors are used to ____________

both initialize the objects & construct the data members

delete the objects

construct the data members

initialize the objects

3 / 50

Inline functions are avoided when ____________________________

function have recursive calls

function have loops

all of the mentioned

function contains static variables

4 / 50

Pick out the other definition of objects.

instance of the class

attribute of the class

associate of the class

member of the class

5 / 50

Which is used to use a function from one source file to another?

code

prototype

declaration

variable

6 / 50

setprecision requires which of the following header file?

stdlib.h

iomanip.h

conio.h

console.h

7 / 50

Identify the correct statement.

typedef create own types

typedef will not creates synonyms of existing types

typedef does not create different types. It only creates synonyms of existing types

typedef create different types

8 / 50

Which is used to define the member of a class externally?

!!$

9 / 50

What does a mutable member of a class mean?

A member that can be updated even if it a member of constant object

A member that can be updated only if it not a member of constant object

A member that is global throughout the class

A member that can never be changed

10 / 50

The data members and functions of a class in C++ are by default ____________

public

protected

private

public & protected

11 / 50

How to declare operator function?

name of the operator

operator sign

operator

name of the class

12 / 50

Which of the following keyword is used to declare the header file?

string

exclude

include

namespace

13 / 50

Pick the incorrect statement about inline functions in C++?

These functions are inserted/substituted at the point of call

Saves overhead of a return call from a function

They reduce function call overheads

They are generally very large and complicated function

14 / 50

Which of the following operators can?t be overloaded?

[]

15 / 50

Which one is used to refer to program elements in any translation units?

no linkage

internal linkage

internal & external linkage

external linkage

16 / 50

Identify the incorrect statement.

iostream is a standard header and iostream.h is a standard header

iostream is a standard header and iostream.h is a non-standard header

iostream is a non-standard header

iostream is a non-standard header and iostream.h is a non-standard header

17 / 50

How many types of models are available to create the user-defined data type?

18 / 50

How many types of linkages are there in C++?

19 / 50

Which of the following header file does not exist?

20 / 50

What is the scope of typedef defined data types?

outside the program

main function

whole program

inside that block only

21 / 50

Which of the following is a valid class declaration?

class A { int x; };

class B { }

public class A { }

object A { int x; };

22 / 50

What does a class in C++ holds?

data

functions

arrays

both data & functions

23 / 50

How many types of user-defined data type are in c++?

24 / 50

Which of the following statements is NOT valid about operator overloading?

None of the mentioned

Only existing operators can be overloaded

The overloaded operators follow the syntax rules of the original operator

The overloaded operator must have at least one operand of its class type

25 / 50

Which of the following header files is required for creating and reading data files?

ifstream.h

console.h

ofstream.h

fstream.h

26 / 50

Which of the header file must be included to use stringstream?

27 / 50

How many objects can present in a single class?

as many as possible

28 / 50

Pick the other name of operator function.

object overloading

operator overloading

member overloading

function overloading

29 / 50

Pick the correct statement.

Inline functions looks like function but they are not

Inline function are always large

Macros looks like function calls but they are actually not

Macros and inline functions are same thing

30 / 50

Which special character is used to mark the end of class?

;

31 / 50

What is the use of no linkage?

make the entity invisible

make the entity visible to other programs

make the entity visible only to that block

make the entity visible to other blocks in the same program

32 / 50

Which operator a pointer object of a class uses to access its data members and member functions?

33 / 50

How to access the object in the class?

scope resolution operator

resolution operator

ternary operator

direct member access operator

34 / 50

To use internal linkage we have to use which keyword?

extern

public

static or extern

static

35 / 50

Which category of data type a class belongs to?

Derived data type

User defined derived data type

Atomic data type

Fundamental data type

36 / 50

What is the user-defined header file extension in c++?

cpp

37 / 50

When struct is used instead of the keyword class means, what will happen in the program?

access is private by default

access is denied

access is public by default

access is protected by default

38 / 50

What is the syntax of user-defined data types?

def NameByUser ExistingDataType

typedef NameByUser ExistingDataType

typedef ExistingDataType NameByUser

def NameByUser ExistingData

39 / 50

Operator overloading is ___________

adding operation to the existing operators

making the new operator

giving new meaning to existing operator

making c++ operator works with objects

40 / 50

How the objects are self-referenced in a member function of that class.

Using a special keyword object

By passing self as a parameter in the member function

Using this pointer

Using * with the name of that object

41 / 50

To use external linkage we have to use which keyword?

static

extern

const

argc

42 / 50

What does a default header file contain?

prototype

pointing

declarations

implementation

43 / 50

Which other keywords are also used to declare the class other than class?

both struct & union

union

struct

object

44 / 50

What is the default type of linkage that is available for identifiers?

internal

single linkage

external

no linkage

45 / 50

What does the data type defined by union will do?

It allow one same portion of memory to be accessed as different data types

It allow one same portion of memory to be accessed as same data types

It allow one different portion of memory to be accessed as different data types

It allow one different portion of memory to be accessed as same data types

46 / 50

How many specifiers are present in access specifiers in class?

47 / 50

Where does the object is created?

attributes

class

destructor

constructor

48 / 50

Which of these following members are not accessed by using direct member access operator?

protected

private

public

both private & protected

49 / 50

Which keyword is used to define the user defined data types?

union

typedef

def

type

50 / 50

What is operator overloading in C++?

Ability to provide the operators with some special meaning for user defined data type

All of the mentioned

Overriding the operator meaning by the user defined meaning for user defined data type

Redefining the way operator works for user defined types

Provide Your Information

NameEmailPhone Number

Your score is

The average score is 0%