C++ Arrays Quiz

In C++, what does the array name arr typically represent?

• A) The first element of the array

• B) The last element of the array

• C) The memory address of the first element of the array

• D) The total number of elements in the array

How are array elements in C++ indexed?

• A) From 1 to the size of the array

• B) From 0 to one less than the size of the array

• C) From -1 to the size of the array minus two

• D) Indexing is not supported in C++ arrays

What is an array in C++?

• A) A data structure that allows you to store multiple values under a single variable name

• B) A function to perform mathematical operations

• C) A feature for input and output operations

• D) None of the above

Which of the following is the correct way to declare an array in C++?

• A) int arr[5];

• B) int arr();

• C) array arr[5];

• D) int array 5;

What is the size of an int array arr[5] in C++, if an integer takes up 4 bytes?

• A) 4 bytes

• B) 20 bytes

• C) 5 bytes

• D) 9 bytes

Which of the following statements about arrays in C++ is FALSE?

• A) Arrays can store multiple values of the same type

• B) Once an array is defined, its size can be changed

• C) Array elements are stored in contiguous memory locations

• D) The array index must be an integer type

How do you access the last element of an array named arr with 10 elements in C++?

• A) arr[10];

• B) arr[9];

• C) arr[10] - 1;

• D) arr;