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

1 / 50

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

Using * with the name of that object

By passing self as a parameter in the member function

Using a special keyword object

Using this pointer

2 / 50

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

!!$

3 / 50

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

4 / 50

What does a default header file contain?

pointing

declarations

implementation

prototype

5 / 50

Pick out the other definition of objects.

instance of the class

member of the class

attribute of the class

associate of the class

6 / 50

What is the scope of typedef defined data types?

outside the program

main function

whole program

inside that block only

7 / 50

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

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

None of the mentioned

The overloaded operators follow the syntax rules of the original operator

Only existing operators can be overloaded

8 / 50

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

single linkage

no linkage

internal

external

9 / 50

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

10 / 50

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

11 / 50

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

;

12 / 50

Which functions of a class are called inline functions?

All functions defined inside or with the inline keyword

All the functions containing declared inside the class

All the functions accessing static members of the class

All the functions that are defined outside the class

13 / 50

Identify the incorrect statement.

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

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

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

iostream is a non-standard header

14 / 50

What is operator overloading in C++?

All of the mentioned

Redefining the way operator works for user defined types

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

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

15 / 50

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

include

string

namespace

exclude

16 / 50

Identify the correct statement.

typedef will not creates synonyms of existing types

typedef create different types

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

typedef create own types

17 / 50

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

no linkage

internal linkage

internal & external linkage

external linkage

18 / 50

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

19 / 50

Which of the following is a valid class declaration?

class A { int x; };

public class A { }

object A { int x; };

class B { }

20 / 50

Pick the correct statement.

Inline functions looks like function but they are not

Macros and inline functions are same thing

Macros looks like function calls but they are actually not

Inline function are always large

21 / 50

Where does the object is created?

constructor

attributes

destructor

class

22 / 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

23 / 50

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

24 / 50

How to declare operator function?

operator

operator sign

name of the class

name of the operator

25 / 50

What does the data type defined by union will do?

It allow one different 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 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

26 / 50

How many objects can present in a single class?

as many as possible

27 / 50

What is the syntax of user-defined data types?

typedef NameByUser ExistingDataType

typedef ExistingDataType NameByUser

def NameByUser ExistingDataType

def NameByUser ExistingData

28 / 50

To use external linkage we have to use which keyword?

extern

const

static

argc

29 / 50

Which category of data type a class belongs to?

Atomic data type

User defined derived data type

Derived data type

Fundamental data type

30 / 50

What is the use of no linkage?

make the entity visible to other blocks in the same program

make the entity invisible

make the entity visible only to that block

make the entity visible to other programs

31 / 50

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

def

union

typedef

type

32 / 50

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

access is denied

access is public by default

access is protected by default

access is private by default

33 / 50

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

These functions are inserted/substituted at the point of call

They reduce function call overheads

Saves overhead of a return call from a function

They are generally very large and complicated function

34 / 50

How many specifiers are present in access specifiers in class?

35 / 50

To use internal linkage we have to use which keyword?

public

static

extern

static or extern

36 / 50

Which of the following header file does not exist?

37 / 50

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

ofstream.h

fstream.h

console.h

ifstream.h

38 / 50

How to access the object in the class?

direct member access operator

ternary operator

scope resolution operator

resolution operator

39 / 50

Constructors are used to ____________

construct the data members

delete the objects

both initialize the objects & construct the data members

initialize the objects

40 / 50

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

public

both private & protected

private

protected

41 / 50

Which of the following operators can?t be overloaded?

[]

42 / 50

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

object

both struct & union

struct

union

43 / 50

Pick the other name of operator function.

operator overloading

member overloading

object overloading

function overloading

44 / 50

setprecision requires which of the following header file?

conio.h

stdlib.h

iomanip.h

console.h

45 / 50

Inline functions are avoided when ____________________________

all of the mentioned

function have loops

function have recursive calls

function contains static variables

46 / 50

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

private

public & protected

public

protected

47 / 50

What does a mutable member of a class mean?

A member that is global throughout the class

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

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

A member that can never be changed

48 / 50

What does a class in C++ holds?

arrays

both data & functions

functions

data

49 / 50

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

code

declaration

prototype

variable

50 / 50

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

cpp

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