Question 1

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

Accepted Answer

2

Question 2

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

Accepted Answer

Colon :

Question 3

Library functions are also known as _______ function:

Accepted Answer

Built-in

Question 4

Which of the following computes for the absolute value for int?

Accepted Answer

abs

Question 5

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

Accepted Answer

abs

Question 6

Which of the following is a complete function?

Accepted Answer

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

Question 7

It refers to subprograms or procedure

Accepted Answer

Function

Question 8

In C++, arguments to functions always appear within ______________.

Accepted Answer

parenthesis

Question 9

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

Accepted Answer

1

Question 10

The function that returns no value is known as

Accepted Answer

void function

Question 11

An overloaded function must have:

Accepted Answer

All of the mentioned

Question 12

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

Accepted Answer

default arguments

Question 13

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 14

Overloaded functions are:

Accepted Answer

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

Question 15

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 16

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 17

What is the default argument of b in the function?

               int sum(int a, int b=10, int c=20);

Accepted Answer

10

Question 18

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 19

Which of the following does return a character?

Accepted Answer

char myGrade(int x)

Question 20

Which of the following does return a precision number?

Accepted Answer

double myGrade (double p, double q)

Question 21

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

Accepted Answer

void

Question 22

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 23

A function can be called from another function using its ____________

Accepted Answer

name

Question 24

The return type of the function float divide (float a, float b)) is :

Accepted Answer

float

Question 25

It is the actual name of the function

Accepted Answer

Function name

Question 26

What are the mandatory parts of a function declaration?

Accepted Answer

Return type and function name

Question 27

What symbol is used to end a  function declaration?

Accepted Answer

semicolon

Question 28

A function can return a value by calling  using the keyword _____________

Accepted Answer

return

Question 29

Which of the following doesn’t return a value?

Accepted Answer

void myPassingGrade(int x, int y)

Question 30

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

Accepted Answer

overloaded function

Question 31

Output?? #include using namespace std; int factorial(int); int main() { int n = 4; cout << "Factorial is = " << factorial(4); return 0; } int factorial(int n) { if (n > 1) { return n*factorial(n-1); } else { return 1; } }

Accepted Answer

Factorial is = 24

Question 32

What symbol is used to set a default parameter value?

Accepted Answer

=

Question 33

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

Accepted Answer

Type and number of Arguments

Question 34

In C++, variables can be passed to a function by:

Accepted Answer

All of the above

Question 35

In order to return a value from a function you must use:

Accepted Answer

return

Question 36

Where should default parameters appear in a function prototype?

Accepted Answer

To the rightmost side of the parameter list

Question 37

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

Accepted Answer

ceil

Question 38

In C++, ________________ are the building blocks of C++ programs

Accepted Answer

Functions

Question 39

It is the data type of the value the function returns.

Accepted Answer

Return Type

Question 40

A type of variable inside a function

Accepted Answer

Local

Question 41

Where does the execution of the program starts?

Accepted Answer

main function

Question 42

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 43

Which of the following is NOT a proper function prototype (definition)?

Accepted Answer

func(int x)

Question 44

Which of the following is NOT a built-in function?

Accepted Answer

getScore()

Question 45

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

Accepted Answer

Function name and return type

Question 46

What is the output of the program?

#include < iostream >

using namespace std;

void fun(int x, int y)

{

x = 20;

y = 10;

}

int main()

{

int x = 10;

fun(x, x);

cout << x;

return 0;

}

Accepted Answer

10

Question 47

What is a default return type of a function?

Accepted Answer

int

Question 48

The function returns the difference between the upper and lower targets as an integer.
______  increaseTemperature(int upper, int lower)
{return upper - lower;}

Accepted Answer

int

Question 49

When two functions with the same name are defined in the same scope, the function is:

Accepted Answer

Overloaded

Question 50

What are the mandatory parts of a function declaration?

Accepted Answer

Return type, function name and parameters

Question 51

A placeholder of values passed into a function.

Accepted Answer

Parameter

Question 52

A function with no return value is _______________.

Accepted Answer

Void function

Question 53

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

Accepted Answer

Declaration

Question 54

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

Accepted Answer

invoked

Question 55

Complete the code: _______ printGrade(double score) { if (score >= 90.0) cout << 'A'; else if (score >= 80.0) cout << 'B'; else if (score >= 70.0) cout << 'C'; else if (score >= 60.0) cout << 'D'; else cout << 'F'; }

Accepted Answer

int

Question 56

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

Accepted Answer

cmath

Question 57

Where does the default parameter can be placed by the user?

Accepted Answer

rightmost

Question 58

A function that calls itself is a __________ function

Accepted Answer

recursive

Question 59

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

Accepted Answer

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

Question 60

What are the advantages of passing arguments by reference?

Accepted Answer

All of the mentioned

Question 61

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

Accepted Answer

error

Question 62

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

Accepted Answer

pow

Question 63

Which of the following function is used to accept user inputs?

Accepted Answer

cin

Question 64

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

Accepted Answer

void

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CCS7 Mod 1

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