C Programming Basics for Kids

What is a data type in C?

• A data type in C is a method for sorting data.

• A data type in C is a way to store data in a file.

• A data type in C is a function that processes data.

• A data type in C defines the type of data a variable can hold.

Name a data type used to store whole numbers in C.

• int

• char

• float

• double

What symbol is used to denote a comment in C?

• // and /* */

• #

• %%

What is the purpose of an if statement in C?

• To declare variables in C.

• To create loops in C.

• To define a function in C.

• To execute code conditionally based on a boolean expression.

How do you create a function in C?

• Declare a function with: function function_name { // body }

• Use the syntax: function_name(parameters) { // function body }

• Create a function by writing: return_type function_name;

• Define a function using the syntax: return_type function_name(parameters) { // function body }

What does the return keyword do in a function?

• The return keyword exits a function and provides a value to the caller.

• The return keyword pauses a function and waits for user input.

• The return keyword creates a new function within the current function.

• The return keyword deletes a function from memory.

What is a pointer in C?

• A pointer is a type of function in C.

• A pointer is a special kind of loop in C.

• A pointer is a variable that stores a string in C.

• A pointer is a variable that holds the address of another variable in C.

How do you declare an array in C?

• array int arr[10];

• int arr = new int[10];

• int[10] arr;

• int arr[10];

What is the difference between a pointer and an array?

• A pointer stores data directly; an array does not store data.

• An array can change size dynamically; a pointer cannot.

• A pointer is a type of array; an array is a single memory address.

• A pointer holds a memory address; an array is a collection of elements in contiguous memory.

What function is used to allocate memory in C?

• realloc

• free

• calloc

• malloc