Question 1

A search operation is usually more efficient on a sorted collection than on an unsorted collection.

Accepted Answer

A) True 
 B)False

Question 2

What is the value of newList after the following code executes?
NewList = list(range(9, 0, -3))

Accepted Answer

A)  [ 8, 5, 2 ] 
B)  [ 9, 6, 3, 0 ] 
C)  [ 9, 6, 3 ] 
D)  [ ] 
A)  [ 8, 5, 2 ] 
B)  [ 9, 6, 3, 0 ] 
C)  [ 9, 6, 3 ] 
D)  [ ]

Question 3

A line of customers waiting to get into a movie is an example of a hierarchical collection.

Accepted Answer

A) True 
 B)False

Question 4

Which real-world item best represents a linear collection?

Accepted Answer

A)  file system 
B)  organizational chart 
C)  stack of bricks 
D)  table of contents 
A)  file system 
B)  organizational chart 
C)  stack of bricks 
D)  table of contents

Question 5

In which type of collection does each item have many predecessors and successors, called neighbors?

Accepted Answer

A)  linear 
B)  hierarchical 
C)  graph 
D)  unordered 
A)  linear 
B)  hierarchical 
C)  graph 
D)  unordered

Question 6

In computer science, collections are also called objective data types (ODTs).

Accepted Answer

A) True 
 B)False

Question 7

What is the value of newObject after the following code executes?
NewObject = tuple("Hello")

Accepted Answer

A)  ('H', 'e', 'l', 'l', 'o') 
B)  [ "Hello" ] 
C)  ("Hello") 
D)  [ 'H', 'e', 'l', 'l', 'o' ] 
A)  ('H', 'e', 'l', 'l', 'o') 
B)  [ "Hello" ] 
C)  ("Hello") 
D)  [ 'H', 'e', 'l', 'l', 'o' ]

Question 8

What is the value of r after the following code executes?
MyList = [ 2, 3, 5, 7, 11 ]
YourList = list(myList)
R = yourList is myList

Accepted Answer

A)  [ 2, 3, 5, 7, 11 ] 
B)  True 
C)  None 
D)  False 
A)  [ 2, 3, 5, 7, 11 ] 
B)  True 
C)  None 
D)  False

Question 9

To determine equality of two collections, use the == operator.

Accepted Answer

A) True 
 B)False

Question 10

By default, items in a sorted collection are visited in descending order when using a for loop iterator.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following lists Python units of abstraction from smallest to largest?

Accepted Answer

A)  classes, methods, functions, modules 
B)  functions, methods, classes, modules 
C)  modules, functions, methods, classes 
D)  modules, classes, methods, function 
A)  classes, methods, functions, modules 
B)  functions, methods, classes, modules 
C)  modules, functions, methods, classes 
D)  modules, classes, methods, function

Question 12

In computer science, abstraction is used for ignoring or hiding details that are nonessential.

Accepted Answer

A) True 
 B)False

Question 13

What is the value of r after the following code executes?
MySet = {2, 3, 5, 7, 11}
YourSet = {5, 7, 2, 11, 3}
R = yourSet == mySet

Accepted Answer

A)  {5, 7, 2, 11, 3} 
B)  True 
C)  False 
D)  0 
A)  {5, 7, 2, 11, 3} 
B)  True 
C)  False 
D)  0

Question 14

All collections are also iterable objects.

Accepted Answer

A) True 
 B)False

Question 15

To be considered equal, two lists must have the same length and the same items in each position, whereas the same sets must simply contain exactly the same items, but in no particular order.

Accepted Answer

A) True 
 B)False

Question 16

The pop method is used to add items to a Python list.

Accepted Answer

A) True 
 B)False

Question 17

When a shallow copy of a collection is made, only references to the items in the new collection are copied.

Accepted Answer

A) True 
 B)False

Question 18

Graph collections are organized in a parent/children relationship.

Accepted Answer

A) True 
 B)False

Question 19

To traverse a collection's items, use the for loop.

Accepted Answer

A) True 
 B)False

Question 20

What can a programmer do to prevent side effects from cloning mutable objects?

Accepted Answer

A)  create a deep copy using a for loop 
B)  create a shallow copy using a type conversion 
C)  create a deep copy using a type conversion 
D)  use the assignment operator in stead of a type conversion 
A)  create a deep copy using a for loop 
B)  create a shallow copy using a type conversion 
C)  create a deep copy using a type conversion 
D)  use the assignment operator in stead of a type conversion

A search operation is usually more efficient on a sorted collection than on an unsorted collection.

What is the value of newList after the following code executes? NewList = list(range(9, 0, -3))

A line of customers waiting to get into a movie is an example of a hierarchical collection.

Which real-world item best represents a linear collection?

In which type of collection does each item have many predecessors and successors, called neighbors?

In computer science, collections are also called objective data types (ODTs).

What is the value of newObject after the following code executes? NewObject = tuple("Hello")

What is the value of r after the following code executes? MyList = [ 2, 3, 5, 7, 11 ] YourList = list(myList) R = yourList is myList

To determine equality of two collections, use the == operator.

By default, items in a sorted collection are visited in descending order when using a for loop iterator.

Which of the following lists Python units of abstraction from smallest to largest?

In computer science, abstraction is used for ignoring or hiding details that are nonessential.

What is the value of r after the following code executes? MySet = {2, 3, 5, 7, 11} YourSet = {5, 7, 2, 11, 3} R = yourSet == mySet

All collections are also iterable objects.

To be considered equal, two lists must have the same length and the same items in each position, whereas the same sets must simply contain exactly the same items, but in no particular order.

The pop method is used to add items to a Python list.

When a shallow copy of a collection is made, only references to the items in the new collection are copied.

Graph collections are organized in a parent/children relationship.

To traverse a collection's items, use the for loop.

What can a programmer do to prevent side effects from cloning mutable objects?

Basic Python Programming

Searching, Sorting, and Complexity Analysis

Arrays and Linked Structures

Interfaces, Implementations, and Polymorphism

Inheritance and Abstract Classes

Stacks

Queues

Lists

Trees

Sets and Dictionaries

Graphs

Filters

Exam 2: An Overview of Collections

A search operation is usually more efficient on a sorted collection than on an unsorted collection.

What is the value of newList after the following code executes? NewList = list(range(9, 0, -3))

A line of customers waiting to get into a movie is an example of a hierarchical collection.

Which real-world item best represents a linear collection?

In which type of collection does each item have many predecessors and successors, called neighbors?

In computer science, collections are also called objective data types (ODTs).

What is the value of newObject after the following code executes? NewObject = tuple("Hello")

What is the value of r after the following code executes? MyList = [ 2, 3, 5, 7, 11 ] YourList = list(myList) R = yourList is myList

To determine equality of two collections, use the == operator.

By default, items in a sorted collection are visited in descending order when using a for loop iterator.

Which of the following lists Python units of abstraction from smallest to largest?

In computer science, abstraction is used for ignoring or hiding details that are nonessential.

What is the value of r after the following code executes? MySet = {2, 3, 5, 7, 11} YourSet = {5, 7, 2, 11, 3} R = yourSet == mySet

All collections are also iterable objects.

To be considered equal, two lists must have the same length and the same items in each position, whereas the same sets must simply contain exactly the same items, but in no particular order.

The pop method is used to add items to a Python list.

When a shallow copy of a collection is made, only references to the items in the new collection are copied.

Graph collections are organized in a parent/children relationship.

To traverse a collection's items, use the for loop.

What can a programmer do to prevent side effects from cloning mutable objects?

Basic Python Programming

Searching, Sorting, and Complexity Analysis

Arrays and Linked Structures

Interfaces, Implementations, and Polymorphism

Inheritance and Abstract Classes

Stacks

Queues

Lists

Trees

Sets and Dictionaries

Graphs

Filters