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Question

Answer

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

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

Colon :

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Library functions are also known as _______ function:

Built-in

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

abs

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

abs

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Which of the following is a complete function?

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

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It refers to subprograms or procedure

Function

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

parenthesis

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

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The function that returns no value is known as

void function

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An overloaded function must have:

All of the mentioned

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

default arguments

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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; }

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Overloaded functions are:

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

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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); }

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

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

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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; }

Error

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Which of the following does return a character?

char myGrade(int x)

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Which of the following does return a precision number?

double myGrade (double p, double q)

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

void

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

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A function can be called from another function using its ____________

name

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

float

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It is the actual name of the function

Function name

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What are the mandatory parts of a function declaration?

Return type and function name

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What symbol is used to end a function declaration?

semicolon

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

return

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Which of the following doesn’t return a value?

void myPassingGrade(int x, int y)

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

overloaded function

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Output?? #include <iostream> 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; } }

Factorial is = 24

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What symbol is used to set a default parameter value?

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

Type and number of Arguments

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

All of the above

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

return

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Where should default parameters appear in a function prototype?

To the rightmost side of the parameter list

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

ceil

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

Functions

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

Return Type

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A type of variable inside a function

Local

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Where does the execution of the program starts?

main function

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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?

int

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

func(int x)

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

getScore()

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

Function name and return type

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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; }

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What is a default return type of a function?

int

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

int

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

Overloaded

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What are the mandatory parts of a function declaration?

Return type, function name and parameters

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A placeholder of values passed into a function.

Parameter

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A function with no return value is _______________.

Void function

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

Declaration

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

invoked

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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'; }

int

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

cmath

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

rightmost

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A function that calls itself is a __________ function

recursive

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

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

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What are the advantages of passing arguments by reference?

All of the mentioned

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

error

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

pow

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

cin

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

void

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The main function in C++ is __________________.

int main()

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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?

Functions are overloaded

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

user value

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

function declaration

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Which if the following is a way to pass an argument in C++?

Call by Value and Call by Reference

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In C++, which of the following is TRUE?

All of the mentioned

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Which of the following computes for the square root of a number?

sqrt

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

floor

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

Error

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

default value

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

int

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

double func(char x)

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The return type of the function double averageCall (double, double, double) is :

double

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

It will not return a value to its caller

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

cmath

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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;}

1hi

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When will we use the function overloading?

Same function name but different number of arguments

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When do we define the default values for a function?

When a function is declared

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

TheSum

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

main() function

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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; }

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When our function doesn’t need to return anything, it means that the parameter has a :

void

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

caller function

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

Parameter

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

{}

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

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Which of the following returns an integer?

int myRoundedGrade(int x)

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

startCall(4432, 3);

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

double

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

Argument

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

functCall();

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