C Functions

What is a function in C programming?

• A variable type

• A block of code that performs a specific task

• A data type

• A comment section

What does the function prototype specify?

• Function name and how to call the function

• The specific task performed by the function

• Only the return type of the function

• Only the parameters of the function

A variable created inside the function has_____ scope.

• local

• global

What will be the output of the following code?

• No output

• Compilation error

• Hello, World!

• Runtime error

What is a function call in C programming?

• Defining the function

• Declaring the function

• Invoking the function to perform its task

• Documenting the function

Which of the following correctly calls a function named displayMessage with no arguments?

• displayMessage;

• displayMessage();

• displayMessage[];

• call displayMessage();

If a function named calculate takes two integer arguments, which of the following is a correct function call?

• calculate();

• calculate(x, y);

• calculate(int x, int y);

• calculate[x, y];

What happens if you call a function that has not been declared or defined?

• The program will run without errors

• The program will throw a compilation error

• The program will throw a runtime error

• The function will be ignored

What does a function definition in C include?

• Only the function's name

• Only the function's parameters

• Both the function's header and body

• Only the function's return type

What is the function body in a function definition?

• The section that declares the function

• The section that calls the function

• The section that contains the code to perform the task

• The section that specifies the function name