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Advantages of Functions in Programming

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Questions and Answers

What is a function in programming?

A self-contained program segment that carries out specific tasks (correct)

A conditional statement for decision making

A loop used for iteration in code

A global variable that stores data temporarily

Why is it advantageous to write code as collections of small functions?

To reduce the number of function calls

To speed up the execution time of the program

To increase the complexity of the code

To make the program modular and easier to debug (correct)

What is the purpose of a function prototype in programming?

To define the main function of the program

To encapsulate all functions within a single module

To initialize global variables in a program

To declare the return type and parameter types of a function before its use (correct)

Which part of a function declaration specifies the type of data returned by the function?

Function header Signup and view all the answers

How are multiple arguments separated in a function declaration?

By commas Signup and view all the answers

What does 'void' signify in a function declaration?

'void' indicates that no value is returned by the function Signup and view all the answers

Why is it important to use function prototypes in C programming?

To inform the compiler about functions used before their definitions Signup and view all the answers

What is the purpose of function prototypes in a program?

To declare the return type and arguments of functions Signup and view all the answers

In the context of functions, what does it mean that variables are local to a function?

Variables are only accessible within the function where they are defined Signup and view all the answers

How are variables passed to a function?

As parameters in the function call Signup and view all the answers

What happens when a return statement is encountered in a function?

The function is terminated and results are passed to another function Signup and view all the answers

Which of the following is true about passing variables back to the calling function?

It is achieved using the 'return' statement Signup and view all the answers

What happens when a function is called?

Expressions in the parameter list are evaluated, and local variables are created Signup and view all the answers

Why are variable names in the argument list of a function declaration considered optional?

To allow for more dynamic variable usage within functions Signup and view all the answers