C++ Basics for First Semester Students

What is an array in C++?

• An array in C++ is a single element of any type.

• An array in C++ is a type of function that returns multiple values.

• An array in C++ is a collection of elements of the same type stored in contiguous memory.

• An array in C++ is a collection of elements of different types stored in random memory.

How do you declare an array in C++?

• int[10] myArray;

• array myArray[10];

• int myArray[10];

• myArray int[10];

What is the index of the first element in an array?

• -1

• 1

• 5

• 0

How do you access the third element of an array named 'arr'?

• arr[1]

• arr.get(2)

• arr[2]

• arr[3]

What is a function in C++?

• A function in C++ is a reusable block of code that performs a specific task.

• A function in C++ is a keyword used for loops.

• A function in C++ is a data structure.

• A function in C++ is a type of variable.

How do you define a function in C++?

• function_name(parameter_list) return_type { // function body }

• return_type function_name { // parameter_list }

• A function in C++ is defined as: return_type function_name(parameter_list) { // function body }

• function return_type { // function body }

What is the purpose of the return statement in a function?

• The return statement pauses the function until it is called again.

• The return statement allows a function to take user input.

• The purpose of the return statement is to exit a function and return a value to the caller.

• The return statement is used to print output to the console.

What is a pointer in C++?

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

• A pointer is a type of function in C++.

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

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

What is an array in C++?

• • A variable that stores strings of characters.

• • A data structure that stores multiple values of the same type.

• • A data type that stores a single value.

• An input/output function.

What is the correct syntax for declaring an array of integers of size 5?

• • int arr(5);

• • int arr[5];

• • arr int[5];

• • array int(5);