Question 1

In C++, from which function the execution of a C++programs starts?

Accepted Answer

main() FUNCTION

Question 2

It states that the function is a non-returning value function

Accepted Answer

VOID

Question 3

In order to use the sqrt function, we must include the _________ library

Accepted Answer

cmath

Question 4

Check the given code:

int add(int a,int b)

         {

             int add;
             add = a + b;
             return add;
          }

What would be the returning value data type?

Accepted Answer

int

Question 5

"Complete the code: #include using namespace std; // Print grade for the score _______ printGrade(double score) { if (score >= 90.0) cout << 'A'; else if (score >= 80.0) cout << 'B'; else cout << 'F';

Accepted Answer

void

Question 6

It refers to the information that can be passed to a function

Accepted Answer

parameter

Question 7

What are the mandatory parts of a function declaration?

Accepted Answer

function name and return type

Question 8

Overloaded functions are: (3)

Accepted Answer

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

Question 9

A type of variable inside a function

Accepted Answer

local

Question 10

A placeholder of values passed into a function.

Accepted Answer

parameter

Question 11

Which of the following permits function overloading in C++?

Accepted Answer

types and number of arguments

Question 12

Two or more functions having the same name but different argument(s) are known as:

Accepted Answer

overloaded function

Question 13

"The function that returns no value is known as
"

Accepted Answer

void function

Question 14

How many minimum numbers of functions need to be present in a C++ program?

Accepted Answer

1

int main() program

Question 15

Which of the following is NOT included in a function declaration?

Accepted Answer

colon :

Question 16

"How many parameters are there in the function:

                 int theArea(int a,int b, int c)?"

Accepted Answer

3

Question 17

Which of the following functions does NOT use the cmath library?

Accepted Answer

rand()

it is in <cstdlib>

Question 18

Which of the following computes for the power of a given number?

Accepted Answer

pow

Question 19

"What is the return type of the function with the prototype :

int functionx (char x, char y) ;"

Accepted Answer

int

Question 20

The int max (int num1, int num2); code is a function  _________________ :

Accepted Answer

declaration

Question 21

In C++, which of the following is important in a function?

Accepted Answer

function name and return type

Question 22

"What word is missing below (fill in the blanks). Write a function declaration called increaseTemperature which takes 2 integers as formal parameters.  The two parameters represent the upper and lower the function returns the difference between the upper

Accepted Answer

int

Question 23

Where should default parameters appear in a function prototype?

Accepted Answer

rightmost side of parameter list

Question 24

When a parameter is passed to a function, it is called ______________.

Accepted Answer

argument

Question 25

What is the output of the given program?

#include < iostream >

using namespace std;

void mani()

void mani()
{
cout << ""hello"";
}
int main()
{
mani();
return 0;

}

Accepted Answer

ERORR

Question 26

What is the output of the program?

#include <iostream>

using namespace std;

 int fun(int=0, int = 0);

 int main()

{

  cout << fun(5);

  return 0;

}

 int fun(int x, int y)

{ return (x+y); }

Accepted Answer

5

Question 27

It refers to the information that can be passed to a function

Accepted Answer

PARAMETER

Question 28

When will we use the function overloading?

Accepted Answer

SAME FUCNTION NAME BUT DIFFERENT NUMBERS OF OXYGEN

Question 29

What is the output of the following code?

#include<iostream>

using namespace std;

int fun(int x = 0, int y = 0, int z)

{ 

return (x + y + z);

}

int main()

{

   cout << fun(10);

   return 0;

}

Accepted Answer

ERROR

Question 30

What is the value that is returned in the following function?

 int getVolume() {

   int v;

    v = 23;

   if (v < 50) {

      return 50;

   }

   return v;

}

Accepted Answer

50

Question 31

Which of the following has 2 parameters?

Accepted Answer

"void myGrade1(int x, int y)
"

Question 32

To execute the codes of function, the user-defined function needs to be __________.

Accepted Answer

INVOKED

Question 33

In order to define the absolute value of  a number we should use:

Accepted Answer

ABS

Question 34

If the user didn’t supply the user value means, then what value will the function take?

Accepted Answer

default value

Question 35

What symbol is used to set a default parameter value?

Accepted Answer

=

Question 36

Which of the following function declaration using the default argument is correct?

Accepted Answer

"int foo(int x=5, int y, int z=10)

int foo(int x=5, int y =10, int z)

int foo(int x, int y =5, int z=10)"

Question 37

What will happen when we use a void in argument passing?

Accepted Answer

it will not return a value to its carrier

Question 38

Which of the following function gets the floor of a number?

Accepted Answer

floow

Question 39

What is the default argument of b in the function?

int sum(int a=10, int b, int c=30);

Accepted Answer

error

Question 40

To call the function startCall() with the number 4432 and 3, what would you write in the main() function?

Accepted Answer

startCall(4432, 3);

Question 41

What is the output for the given program?

#include <iostream>
using namespace std;
void f1()
{
cout <<1;}
int main()
{
f1();
goto x;
cout << ""hello"";
x: cout << ""hi"";
return 0;}

Accepted Answer

1hi

Question 42

What will you use if you do NOT intended to return value?

Accepted Answer

void

Question 43

Which of the following is a valid function call (assuming the function exists)?

Accepted Answer

functCall();

Question 44

In a program you saw the following:

int myFunctionTools(int x)

float myFunctionTools(float x)

double myFunctionTools(double x, double y)

What‘s the best description of the given functions?"

Accepted Answer

functions are overloaded

Question 45

A type of variable inside a function

Accepted Answer

local

Question 46

A placeholder of values passed into a function.

Accepted Answer

jparameter

Question 47

What is the output of the following code?

#include<iostream>

using namespace std;

int fun(int x = 0, int y = 0, int z=2)

{ 

return (x + y + z);

}

int main()

{

   cout << fun(10);

   return 0;

}

Accepted Answer

12

Question 48

If the user didn’t supply a value in a function, then what value will it take?

Accepted Answer

default value

Question 49

qA function can be called from another function using its ____________

Accepted Answer

name

Question 50

What are the advantages of passing arguments by reference?

Accepted Answer

changes to the parameter values within the function also affects the original arguments

Question 51

In the following declaration, what is the return type?

int myMethod(int count, double value)

{

    return 4;

}

Accepted Answer

int

Question 52

What is the output of the following code?

#include<iostream>

using namespace std;

int fun(int x = 0, int y = 8, int z=2)

{ 

return (x + y + z);

}

int main()

{

   cout << fun(10);

   return 0;

}

Accepted Answer

20

Question 53

In C++, the block of code begins and ends with:

Accepted Answer

{}

Question 54

It refers to subprograms or procedure

Accepted Answer

function

Question 55

What is the output of the following code?

#include <iostream>
using namespace std;
void f1()
{
cout <<1<< endl;}
int main()
{
f1();
return 0;}

Accepted Answer

1

Question 56

Which of the following is a complete function?

Accepted Answer

int functCall (int x) {return x = x+1;}

Question 57

The  main function in C++ is __________________.

Accepted Answer

int main()

Question 58

In the function void primeNumber (int n); which of the following is NOT true?

Accepted Answer

Arguments are passed but it has no returning value

Question 59

In C++, the function prototype is also known as _________________________

Accepted Answer

function declaration

Question 60

What is the return value of the following function: double myRewards(double x, double y)?

Accepted Answer

double

Question 61

In order to use the round function, we must include the _________ library

Accepted Answer

cmath

Question 62

When do we define the default values for a function?

Accepted Answer

the the function is declared

Question 63

Where does the “return statement” return the execution of the program?

Accepted Answer

caller function

Question 64

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

Accepted Answer

user value

[CP 2 - CCS0007] M1

Functions

"Know" box contains:
Time elapsed:
Retries: