Data structures

Question 1

What is special about an array data structure?

Answer 1

It has a numerical index - a number for each item in the array

Question 2

Which sort of data structure can have a string index?

Answer 2

Dictionary

Question 3

What is the name of an array that holds more arrays?

Answer 3

2 dimensional array

Question 4

What is a linked list?

Answer 4

A list where each item contains a pointer to the next item in the list

Question 5

The index of a data structure is …?

Answer 5

a number or string that refers to an individual element (item)

Question 6

In Python, which data type can be used to represent an array?

Answer 6

list