Question 1

The instruction to get the reference to the "default" turtle in turtle graphics is __________________.

Accepted Answer

turtle.getturtle()

Question 2

The instruction to create a new turtle object is ____________________________.

Accepted Answer

turtle.Turtle()

Question 3

A location in the turtle graphics window is indicated by an x and y coordinate value relative to the center of the screen in inches.

Accepted Answer

A) True 
 B)False  False

Question 4

Match the following:
-selection

Accepted Answer

A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection 
A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection

Question 5

The use of turtle graphics in Python requires that the turtle module be imported.

Accepted Answer

A) True 
 B)False

Question 6

A list in Python contains a collection of values, in which each value is an object, but the list itself is not an object.

Accepted Answer

A) True 
 B)False

Question 7

What would the result of the turtle.setup(400, 500) be in turtle graphics?

Accepted Answer

A)  A turtle screen of 400 pixels wide and 500 pixels high would be created. 
B)  A turtle screen of 500 pixels wide and 400 pixels high would be created. 
C)  A turtle screen of -400 to 400 pixels wide and -500 to 500 pixels high would be created. 
D)  A turtle screen of -500 to 500 pixels wide and -400 to 400 pixels high would be created. 
E)  None of the above 
A)  A turtle screen of 400 pixels wide and 500 pixels high would be created. 
B)  A turtle screen of 500 pixels wide and 400 pixels high would be created. 
C)  A turtle screen of -400 to 400 pixels wide and -500 to 500 pixels high would be created. 
D)  A turtle screen of -500 to 500 pixels wide and -400 to 400 pixels high would be created. 
E)  None of the above

Question 8

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use absolute positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

Accepted Answer

the_turtle.penup()
the_turtle.

Question 9

All values in Python are represented as objects.

Accepted Answer

A) True 
 B)False

Question 10

Two objects of the same type have the same set of methods.

Accepted Answer

A) True 
 B)False

Question 11

A list in Python is a collection of objects (values), but the list itself is not an object.

Accepted Answer

A) True 
 B)False

Question 12

Suppose that variable k is assigned to a list object that contains a method called numZeros that returns the number of 0 values in the list. Give the proper syntax for calling method numZeros on variable k.

Accepted Answer

The answer of Suppose that variable k is assigned to...

Question 13

Which of the following is NOT an example of relative positioning?

Accepted Answer

A)  the_turtle.setposition(100, 100) 
B)  the_turtle.forward(100) 
C)  the_turtle.left(90) 
D)   the_turtle.penup() 
E)   the_turtle.hideturtle() 
A)  the_turtle.setposition(100, 100) 
B)  the_turtle.forward(100) 
C)  the_turtle.left(90) 
D)   the_turtle.penup() 
E)   the_turtle.hideturtle()

Question 14

When one variable is assigned to another variable referencing a list, a second copy of the list is automatically created.

Accepted Answer

A) True 
 B)False

Question 15

The dot operator is used to select a member of an object.

Accepted Answer

A) True 
 B)False

Question 16

The instruction to determine the current position of a turtle object is __________________.

Accepted Answer

The answer of The instruction to determine the current position...

Question 17

There may be more than on name associated with a given object stored in memory.

Accepted Answer

A) True 
 B)False

Question 18

Match the following:
-behavior

Accepted Answer

A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection 
A)  instance variable 
B)  method 
C)  dot operator 
D)  reference 
E)  garbage collection

Question 19

To deallocate a memory location is to mark it as "no longer needed" so that the executing program does not attempt to use it.

Accepted Answer

A) True 
 B)False

Question 20

Objects consist of three fundamental parts: a set of attributes, a set of non-value returning functions called methods, and a set of value-returning functions.

Accepted Answer

A) True 
 B)False

The instruction to get the reference to the "default" turtle in turtle graphics is __________________.

The instruction to create a new turtle object is ____________________________.

A location in the turtle graphics window is indicated by an x and y coordinate value relative to the center of the screen in inches.

Match the following: -selection

The use of turtle graphics in Python requires that the turtle module be imported.

A list in Python contains a collection of values, in which each value is an object, but the list itself is not an object.

What would the result of the turtle.setup(400, 500) be in turtle graphics?

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use absolute positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

All values in Python are represented as objects.

Two objects of the same type have the same set of methods.

A list in Python is a collection of objects (values), but the list itself is not an object.

Suppose that variable k is assigned to a list object that contains a method called numZeros that returns the number of 0 values in the list. Give the proper syntax for calling method numZeros on variable k.

Which of the following is NOT an example of relative positioning?

When one variable is assigned to another variable referencing a list, a second copy of the list is automatically created.

The dot operator is used to select a member of an object.

The instruction to determine the current position of a turtle object is __________________.

There may be more than on name associated with a given object stored in memory.

Match the following: -behavior

To deallocate a memory location is to mark it as "no longer needed" so that the executing program does not attempt to use it.

Objects consist of three fundamental parts: a set of attributes, a set of non-value returning functions called methods, and a set of value-returning functions.

Introduction

Data and Expressions

Control Structures

Lists

Functions

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters

Exam 6: Objects and Their Use

The instruction to get the reference to the "default" turtle in turtle graphics is __________________.

The instruction to create a new turtle object is ____________________________.

A location in the turtle graphics window is indicated by an x and y coordinate value relative to the center of the screen in inches.

Match the following: -selection

The use of turtle graphics in Python requires that the turtle module be imported.

A list in Python contains a collection of values, in which each value is an object, but the list itself is not an object.

What would the result of the turtle.setup(400, 500) be in turtle graphics?

Give Python code to create a square of size 100 x 100 such that its bottom left corner is positioned at screen location (0, 0). Use absolute positioning to do this. (Assume that the turtle screen has been set up, and that there is a turtle named the_turtle to make use of.)

All values in Python are represented as objects.

Two objects of the same type have the same set of methods.

A list in Python is a collection of objects (values), but the list itself is not an object.

Suppose that variable k is assigned to a list object that contains a method called numZeros that returns the number of 0 values in the list. Give the proper syntax for calling method numZeros on variable k.

Which of the following is NOT an example of relative positioning?

When one variable is assigned to another variable referencing a list, a second copy of the list is automatically created.

The dot operator is used to select a member of an object.

The instruction to determine the current position of a turtle object is __________________.

There may be more than on name associated with a given object stored in memory.

Match the following: -behavior

To deallocate a memory location is to mark it as "no longer needed" so that the executing program does not attempt to use it.

Objects consist of three fundamental parts: a set of attributes, a set of non-value returning functions called methods, and a set of value-returning functions.

Introduction

Data and Expressions

Control Structures

Lists

Functions

Modular Design

Text Files

Dictionaries and Sets

Object-Oriented Programming

Recursion

Filters