3.1 Data Structure

Question 1

What is an array?

Answer 1

An array is a static collection of items of the same data type called elements. Typically used when the required number of data items is known in advance.

Question 2

2 benefits of using arrays

Answer 2

1. Efficient data storage
2. Fast access to elements

Question 3

2 limitations of using arrays

Answer 3

1. Must be the same data type
2. Size of array cannot usually be changed when the program is running