Section D - 1 - How Data is Organised - Data Structures 1

What is an Array?

Select all that apply.

• Only one data type can be stored in a single array.

• Many different data types can be stored in a single array.

• You can only have an array of numbers.

• You can have an array made up of any data type.

What is a 2D array?

Select all that apply.

• Only one data type can be stored in a single 2D array.

• Different rows can store different data types.

• Different columns can store different data types.

• You need both the row & column number to find individual elements.

• You can access individual elements using only the column number.

What is a linked list?

Select all that apply.

• It can store many different types of data.

• It can only store a single type of data.

• It is made up of nodes.

• The starting node contains a null pointer.

• The end node contains a null pointer.

What is the purpose of the null pointer?

• It points to an empty area of RAM.

• It indicates the start of a linked list.

• It indicates the end of a linked list.

• It indicates a broken linked list node.

What is the main difference between an array and a linked list?

• Linked lists can increase and decrease in size.

• Linked lists can store many different data types in a single list.

• Arrays can increase and decrease in size.

• Arrays can store many different data types in a single array.

If you wanted a data structure to store a game of chess. Which of the following data structures would work best?

• One-dimensional array.

• Two-dimensional array.

• Linked List