Functions, Namespaces & Exceptions in C++ Quiz 2

1 / 36

What is similar to the interface in c++?

methods

methods & instance of a class

instance of a class

pure abstract class

2 / 36

What is the mandatory preprocessor directive for c++?

#include <iostream>

#undef <iostream>

#macro <iostream>

#define <iostream>

3 / 36

What is the correct syntax of defining a namespace?

namespace name{}

typedef namespace name{} NAME

namespace name{};

Namespace name{};

4 / 36

What is the general syntax for accessing the namespace variable?

namespace::operator

namespace,operator

namespace#operator

namespace$operator

5 / 36

What is the mandatory part to present in function pointers?

return values

data types

6 / 36

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

7 / 36

Which keyword is used to check exception in the block of code?

throw

handlers

catch

try

8 / 36

What is the maximum number of arguments or parameters that can be present in one function call?

255

256

9 / 36

Which operator is used for accessing a member of namespace?

10 / 36

which keyword is used to define the macros in c++?

macro

#macro

define

#define

11 / 36

What is the other name of the macro?

scripted directive

link directive

executed & link directive

executed directive

12 / 36

How can you access the arguments that are manipulated in the function?

both va_list & arg_list

arg_list

va_list

vg_list

13 / 36

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

14 / 36

What we can?t place followed by the non-default arguments?

trailing arguments

leading arguments

default arguments

both trailing & default arguments

15 / 36

What will happen when the handler is not found for an exception?

raise an error and executes the remaining block

calls the standard library function terminate()

raise an error

executes the remaining block

16 / 36

What is the use of Namespace?

It is used to mark the beginning of the program

Encapsulate the data & structure a program into logical units

To encapsulate the data

To structure a program into logical units

17 / 36

What does the client module import?

instance

macro

interface

records

18 / 36

To which does the function pointer point to?

absolute variables

constants

function

variable

19 / 36

which of the following can be passed in function pointers?

data types

objects

variables

functions

20 / 36

Identify the correct statement.

A namespace is used to separate the class, objects

Namespace is used to mark the beginning & end of the program

Namespace is used to mark the beginning of the program

Namespace is used to group class, objects and functions

21 / 36

Which header file is used to pass unknown number of arguments to function?

string.h

stdio.h

stdarg.h

stdlib.h

22 / 36

What will we not do with function pointers?

allocation of memory

finds memory status

both allocation & deallocation of memory

deallocation of memory

23 / 36

which of the following is used to implement the c++ interfaces?

constant variables

absolute variables

default variables

abstract classes

24 / 36

Identify the correct statement.

c++ have no concept of interfaces

c++ does not have built-in interfaces

c++ does have built-in interfaces

c++ does have built-in interfaces & classes

25 / 36

Pick the incorrect statement for namespaces in C++.

Keyword namespace is used at the starting of a namespace definition

Namespace declarations are always global scope

Namespace has access specifiers like private or public

Namespace definitions can be nested

26 / 36

Which of the following implements the module in the program?

interfaces

macro & header files

header files

macro

27 / 36

What is the default calling convention for a compiler in c++?

__cdecl

__stdcall

__pascal

__fastcall

28 / 36

What is the default return type of a function?

void

float

int

char

29 / 36

How many types do functions fall depends on modularization?

30 / 36

If we start our function call with default arguments means, what will be proceeding arguments?

user & empty arguments

empty arguments

user argument

default arguments

31 / 36

Which keyword is used to access the variable in the namespace?

using

static

dynamic

const

32 / 36

Which operator is used to signify the namespace?

bitwise operator

ternary operator

conditional operator

scope operator

33 / 36

Which symbol is used to declare the preprocessor directives?

34 / 36

To where does the program control transfers when the exception is arisen?

throw

handlers

try

catch

35 / 36

What will happen when the exception is not caught in the program?

program will execute

program will execute & displays wrong output

error

block of that code will not execute

36 / 36

What will initialize the list of arguments in stdarg.h header file?

va_list

vg_arg

va_arg

va_start

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