Deck 8: Lists and Arrays

Question 1

Which of the following items can be stored in a list?

A) numbers
B) strings
C) objects
D) Boolean values
E) All of these

Answer 1

E

Question 2

Which instruction is used to step through each element of a list?

A) Do together
B) For all in order
C) For all together
D) loop
E) None of these

Answer 2

B

Question 3

Given a list, animalList, that contains the objects: cat, dog, tiger, lion; the function ith item from list, given an index of 1, would return which object?

A) cat
B) dog
C) tiger
D) lion
E) None of these

Answer 3

B

Question 4

What is the term for the section of the create new variable dialog box used to add items to a list?

A) Collection Editor
B) Details Panel
C) List Editor
D) Object Editor
E) None of these

Question 5

Items may be added to a list and removed from a list while the world is running.

Question 6

The list automatically expands as items are added to it, and it automatically shrinks as items are removed from it.

Question 7

What is the index of the first position in an array that contains 10 items?

A) 0
B) 1
C) 9
D) 10
E) None of these

Question 8

What is the general term for a mechanism for storing and organizing data?

A) array
B) index
C) list
D) data structure
E) None of these

Question 9

What is the function used to randomly choose an element from an array?

A) first item from list
B) ith item from list
C) random item from list
D) random number
E) None of these

Question 10

Given a list, animalList, that contains the objects: cat, dog, tiger, lion; the function first item from list would return which object?

A) cat
B) dog
C) tiger
D) lion
E) None of these

Question 11

What is the function used to choose an element from a list at the specified index number?

A) first item from list
B) ith item from list
C) last item from list
D) random item from list
E) None of these

Question 12

Which instruction is used when you want all of the elements of a list to execute the same instruction(s) simultaneously?

A) Do together
B) For all in order
C) For all together
D) loop
E) None of these

Question 13

Given an array, animalArray, that contains the objects: cat, dog, tiger, lion; item 3 from animalArray would refer to which object?

A) cat
B) dog
C) tiger
D) lion
E) None of these

Question 14

What is the term for a stored group of items that has a fixed size so new items cannot be added while the world is running?

A) array
B) index
C) list
D) data structure
E) None of these

Question 15

What is the term typically used to refer to the position number of a list or array?

A) array
B) index
C) list
D) data structure
E) None of these

Question 16

Given a list, animalList, that contains the objects: cat, dog, tiger, lion; the function last item from list would return which object?

A) cat
B) dog
C) tiger
D) lion
E) None of these

Question 17

What is the index of the last position in an array that contains 10 items?

A) 0
B) 1
C) 9
D) 10
E) None of these

Question 18

Which instruction is used to step through each element of an array?

A) Do together
B) For all in order
C) For all together
D) loop
E) None of these

Question 19

What is the term for a stored group of items that can be added to while the world is running?

A) array
B) index
C) list
D) data structure
E) None of these

Question 20

What is the function used to randomly choose an element from a list?

A) first item from list
B) ith item from list
C) random item from list
D) random number
E) None of these

Question 21

A(n) ___________________ holds a group of items and has a fixed size so new items cannot be added while the world is running.

Question 22

The Do together instruction is used to have each element of a list execute the same instructions simultaneously.

Question 23

The Collection Editor can be used to add elements to an array.

Question 24

The first position in an array is position 0.

Question 25

Items can be added to a list or array using the ___________________ section of the create new variable dialog box.

Question 26

The first position in a list or array is position ___________________.

Question 27

You can only remove an item that is currently in an array by replacing it with some other value.

Question 28

A(n) ___________________ is a mechanism for storing and organizing data, such as a list or an array.

Question 29

The list processing instruction, ___________________, is used when you want all of the elements of a list to execute the same instruction(s) simultaneously.

Question 30

The items in an array are commonly called elements.

Question 31

A(n) ___________________ holds a group of items and can be added to while the world is running.

Question 32

The array visualization class is designed as an aid for learning how arrays work.

Question 33

A list is a dynamic data structure.

Question 34

An array can have additional elements added to it while the world is running.

Question 35

The last position in a list or array that contains 5 elements is position ___________________.

Question 36

The For all in order instruction is used to step through each element of an array.

Question 37

The first position in a list is position 1.

Question 38

The last position in a list that contains 5 elements is position 5.

Question 39

The random number function is used to randomly choose an element from an array.

Question 40

The term ___________________ is typically used to refer to the position number of a list or array.

Question 41

The items in an array are commonly called ___________________.

Question 42

The ___________________ instruction is used to step through each element of an array.

Question 43

The ___________________ class is designed as an aid for learning how arrays work and is unique to Alice.

Question 44

The ___________________ function is used to randomly choose an element from a list.

Question 45

The ___________________ instruction is used to step through each element of a list.

Question 46

The ___________________ function is used to randomly choose an element from an array.

Question 47

The ___________________ function is used to get the number of items stored in a list.

Question 48

Given an array, animalArray, that contains the objects: cat, dog, tiger, lion, monkey; item 2 from animalArray would refer to ___________________.