Functions, Namespaces & Exceptions in C++ Quiz 1

1 / 50

Which operator is having the highest precedence?

unary

shift

equality

postfix

2 / 50

How many ways of passing a parameter are there in c++?

3 / 50

Where can the default parameter be placed by the user?

both leftmost & rightmost

leftmost

rightmost

topmost

4 / 50

How many can max number of arguments present in function in the c99 compiler?

102

127

5 / 50

Which value will it take when both user and default values are given?

defined value

default value

user value

custom value

6 / 50

Which of the following feature is used in function overloading and function with default argument?

Encapsulation

Polymorphism

Modularity

Abstraction

7 / 50

Which looping process is best used when the number of iterations is known?

while

do-while

all looping processes require that the iterations be known

for

8 / 50

In which of the following we cannot overload the function?

called function

caller

main function

return function

9 / 50

Where should default parameters appear in a function prototype?

Middle of the parameter list

To the rightmost side of the parameter list

To the leftmost side of the parameter list

Anywhere inside the parameter list

10 / 50

Function overloading is also similar to which of the following?

constructor overloading

function overloading

destructor overloading

operator overloading

11 / 50

What should be passed in parameters when function does not require any parameters?

both void & blank space

void

blank space

tab space

12 / 50

Which is used to keep the call by reference value as intact?

absolute

static

virtual

const

13 / 50

Which of the following permits function overloading on c++?

type & number of arguments

number of objects

number of arguments

type

14 / 50

What are mandatory parts in the function declaration?

parameters, function name

return type, function name, parameters

return type, function name

parameters, variables

15 / 50

When we define the default values for a function?

When the scope of the function is over

When a function is declared

When a function is defined

When a function is called

16 / 50

The if..else statement can be replaced by which operator?

Bitwise operator

Addition operator

Multiplicative operator

Conditional operator

17 / 50

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

18 / 50

Which of the following is important in a function?

Both return type and function name

Return type

Function name

The return type, function name and parameter list

19 / 50

What is a comment in c++?

comments are executed by the compiler

comments are executable

comments are parts of the source code disregarded by the compiler

comments are executed by the compiler to find the meaning of the comment

20 / 50

Which of the following is the default return value of functions in C++?

int

char

float

void

21 / 50

What are the advantages of passing arguments by reference?

All of the mentioned

There is no need to call constructors for parameters (i.e. faster)

Changes to parameter values within the function also affect the original arguments

There is need to copy parameter values (i.e. less memory used)

22 / 50

Which is more effective while calling the functions?

call by reference

call by object

call by value

call by pointer

23 / 50

What is used to write multi line comment in c++?

/$ ?. */

/$ ?. $/

/* ?. */

24 / 50

What is the scope of the variable declared in the user defined function?

only inside the {} block

header section

the main function

whole program

25 / 50

When will we use the function overloading?

same function name but same number of arguments

different function name but same number of arguments

different function name but different number of arguments

same function name but different number of arguments

26 / 50

If an argument from the parameter list of a function is defined constant then _______________

Error occurs

It can be modified inside the function

Segmentation fault

It cannot be modified inside the function

27 / 50

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

28 / 50

What will happen while using pass by reference?

The function declaration should contain $

The function declaration should contain ampersand (& in its type declaration)

The location of variable in memory is passed to the function so that it can use the same memory area for its processing

The values of those variables are passed to the function so that it can manipulate them

29 / 50

The destination statement for the goto label is identified by what label?

30 / 50

Where does the return statement returns the execution of the program?

main function

same function

block function

caller function

31 / 50

The switch statement is also called as?

choosing structure

certain structure

selective structure

bitwise structure

32 / 50

How many minimum number of functions should be present in a C++ program for its execution?

33 / 50

What happens to a function defined inside a class without any complex operations (like looping, a large number of lines, etc)?

It becomes a virtual function of the class

It becomes a default calling function of the class

It becomes an inline function of the class

The program gives an error

34 / 50

How are many sequences of statements present in c++?

35 / 50

What type of comments does c++ support?

single line and multi-line

multiline

reusable line

single line

36 / 50

Overloaded functions are ________________

Two or more functions with the same name but different number of parameters or type

Very long functions that can hardly run

Very long functions

One function containing another one or more functions inside it

37 / 50

Which operator is having the right to left associativity in the following?

Type cast

Function call

Addition and subtraction

Array subscripting

38 / 50

An inline function is expanded during ______________

compile-time

run-time

end of the program

never expanded

39 / 50

By default how the value are passed in c++?

call by reference

call by object

call by value

call by pointer

40 / 50

How many types of returning values are present in c++?

41 / 50

If the user did not supply the value, what value will it take?

both default value & rise an error

default value

rise an error

error

42 / 50

What will you use if you are not intended to get a return value?

void

const

volatile

static

43 / 50

From which function the execution of a C++ program starts?

start() function

new() function

main() function

end() function

44 / 50

What is an inline function?

A function that is called during compile time

A function that is not checked for syntax errors

A function that is not checked for semantic analysis

A function that is expanded at each call during execution

45 / 50

which of the following is used to terminate the function declaration?

]

)

;

46 / 50

What is this operator called ?:?

relational

conditional

casting operator

unrelational

47 / 50

What is the use of the indentation in c++?

r distinguishes between comments and inner data

r distinguishes between comments and outer data

distinguishes between comments and code

distinguishes between comments and outer data

48 / 50

What will happen when we use void in argument passing?

It will return value with help of object

It will not return value to its caller

It will return value to its caller

Maybe or may not be return any value to its caller

49 / 50

Where does the execution of the program starts?

else function

main function

user-defined function

void function

50 / 50

What is the use of dynamic_cast operator?

it converts the virtual base object to derived objects

it converts the virtual base object to derived class

it converts virtual base class to derived class

it will convert the operator based on precedence

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