Function MCQs

Question 1

In C, what is a function's prototype?

Accepted Answer

A declaration that specifies a function's name and parameters

Answer

A function's name and return type

Answer

A function's documentation

Answer

A function's source code

Question 2

What is the result of the expression floor(5.7) in C, assuming proper inclusion of the math library?

Accepted Answer

5

Answer

6

Answer

0.7

Answer

Error

Question 3

In C, what is the purpose of the 'inline' keyword when used with a function?

Accepted Answer

To indicate that the function should be inlined by the compiler

Answer

To specify that the function is only used in one file

Answer

To make the function public

Answer

To declare a recursive function

Question 4

What is a function parameter in C?

Accepted Answer

A value passed to a function when it's called

Answer

A variable declared within a function

Answer

A reserved keyword

Answer

A global variable

Question 5

What is the result of the expression ceil(3.2) in C, assuming proper inclusion of the math library?

Accepted Answer

4

Answer

3

Answer

0.2

Answer

Error

Question 6

In C, what is the purpose of the 'const' keyword when used with a function parameter?

Accepted Answer

It specifies that the parameter is constant and cannot be modified

Answer

It makes the parameter mandatory

Answer

It makes the parameter optional

Answer

It specifies that the parameter is a constant function

Question 7

How can you declare a function in C that takes a variable number of arguments?

Accepted Answer

Using the '...' notation

Answer

Using the 'variable' keyword

Answer

Using the 'args' keyword

Answer

Using the 'varargs' keyword

Question 8

In C, what is the purpose of the 'recursion' in a function?

Accepted Answer

To call the function itself

Answer

To create an infinite loop

Answer

To make the function faster

Answer

To make the function return a constant value

Question 9

What is the result of the expression pow(2, 3) in C, assuming proper inclusion of the math library?

Accepted Answer

8

Answer

5

Answer

6

Answer

Error