Question 1

In GUI terminology, what is the name used to describe a rectangular window component with its own grid that is useful for organizing other window components?

Accepted Answer

A)   layout
B)   superframe
C)   panel
D)   combo frameE) A) and C)
F) A) and D)

Question 2

The attributes of each window component are actually stored in a list.

Accepted Answer

A) True 
 B)False

Question 3

The creation of a customized version of an existing class is called subclassing.

Accepted Answer

A) True 
 B)False

Question 4

What is the name of the standard GUI module for Python?

Accepted Answer

A)   tkinter
B)   PyQt5
C)   breezypythongui
D)   KivyE) A) and D)
F) B) and D)

Question 5

GUI-based programs use windows that contain various components, also called window objects or gadgets.

Accepted Answer

A) True 
 B)False

Question 6

What are the two functions available in the tkinter.filedialog module used to support file access in a GUI program?

Accepted Answer

A)   askopenfileaccess
B)   askfilesystemaccess
C)   asksaveasfilename
D)   askopenfilenameE) B) and D)
F) A) and D)

Question 7

What scenario would be ideal for the use of a prompter box?

Accepted Answer

A)   You require a GUI element that restricts a user to a single choice of items out of a group of items.
B)   You require a GUI element to display an error message upon incorrect input.
C)   You require a GUI element to prompt for a user's text input.
D)   You require a GUI element to allow a large amount of text to be entered by the user.E) B) and C)
F) None of the above

Question 8

Command buttons are created and placed in a window in the same manner as labels.

Accepted Answer

A) True 
 B)False

Question 9

How can you associate a keyboard event and an event-handling method with a widget?

Accepted Answer

A)   You must name the event-handling method "onPress_".
B)   You must use the bind method, which expects a string containing a key event.
C)   You must map a shortcut in the host operating system to run the script with a specific argument.
D)   You must define the key's event in a YAML-based configuration file.E) B) and D)
F) All of the above

Question 10

What two keyword arguments can be used to force a horizontal and/or vertical spanning of grid positions? (Choose two.)

Accepted Answer

A)   gridspan
B)   rowspan
C)   columnspan
D)   gridlockE) A) and B)
F) A) and C)

Question 11

The breezypythongui module's IntegerField component is a subclass of the Entry class.

Accepted Answer

A) True 
 B)False

Question 12

What kind of statement can be used to attempt a graceful recovery from an exception?

Accepted Answer

A)   attempt-fail statement
B)   if-else statement
C)   try-except statement
D)   test-succeed statementE) A) and C)
F) A) and B)

Question 13

Programming that is tied to user-generated actions, such as mouse clicks, is known as what type of programming?

Accepted Answer

A)   user-driven programming
B)   event-driven programming
C)   access-driven programming
D)   object-oriented programmingE) A) and B)
F) All of the above

Question 14

In the breezypythongui module, what class provides the basic functionality for any window, such as the command buttons in the title bar?

Accepted Answer

A)   WindowFrame
B)   ProgFrame
C)   BreezyFrame
D)   EasyFrameE) B) and D)
F) B) and C)

Question 15

What class in the breezypythongui module provides a scrollable box for the display and selection of items?

Accepted Answer

A)   EasyTextField
B)   TextArea
C)   EasyListbox
D)   EasyIntegerFieldE) C) and D)
F) A) and B)

Question 16

In the RGB system, what hexadecimal value represents the color black?

Accepted Answer

A)   #000000
B)   #ffffff
C)   #ff00ff
D)   #00ffffE) A) and D)
F) None of the above

Question 17

The font attribute in tkinger.Label is an object imported from tkinter.font.

Accepted Answer

A) True 
 B)False

Question 18

An entry field is a box in which the user can position the mouse cursor and enter a number or a single line of text.

Accepted Answer

A) True 
 B)False

Question 19

What happens when you make a new class a subclass of another class?

Accepted Answer

A)   The new class inherits the attributes and behaviors defined in the parent class.
B)   The new class becomes subjugated to the parent class, preventing the override of class values.
C)   The new class becomes a copy of the ancestor class, and functions under the ancestor class's namespace.
D)   The ancestor class and the new class both become global in scope.E) B) and C)
F) None of the above

Question 20

What is the "self" parameter utilized for in a class definition block?

Accepted Answer

A)   It is used within the class and method definitions to call other methods on the same object, or to access that object's variables or data.
B)   It is used to define the scope of the class in relevance to the rest of the program.
C)   It is used to tell the Python virtual machine that the class is locally significant in the particular module or script it is defined.
D)   It is used as a shortcut rather than typing out the module name, parent classes, and subclass to which the class belongs.E) All of the above
F) C) and D)

Exam 8: Graphical User Interrfaces

What happens when you make a new class a subclass of another class?

Correct AnswerverifiedShow Answer

In the RGB system, what hexadecimal value represents the color black?

Correct AnswerverifiedShow Answer

What is the name of the standard GUI module for Python?

Correct AnswerverifiedShow Answer

GUI-based programs use windows that contain various components, also called window objects or gadgets.

Correct AnswerverifiedShow Answer

An entry field is a box in which the user can position the mouse cursor and enter a number or a single line of text.

Correct AnswerverifiedShow Answer

Programming that is tied to user-generated actions, such as mouse clicks, is known as what type of programming?

Correct AnswerverifiedShow Answer

What kind of statement can be used to attempt a graceful recovery from an exception?

Correct AnswerverifiedShow Answer

Command buttons are created and placed in a window in the same manner as labels.

Correct AnswerverifiedShow Answer

What are the two functions available in the tkinter.filedialog module used to support file access in a GUI program?

Correct AnswerverifiedShow Answer

What two keyword arguments can be used to force a horizontal and/or vertical spanning of grid positions? (Choose two.)

Correct AnswerverifiedShow Answer

What scenario would be ideal for the use of a prompter box?

Correct AnswerverifiedShow Answer

In GUI terminology, what is the name used to describe a rectangular window component with its own grid that is useful for organizing other window components?

Correct AnswerverifiedShow Answer

The creation of a customized version of an existing class is called subclassing.

Correct AnswerverifiedShow Answer

In the breezypythongui module, what class provides the basic functionality for any window, such as the command buttons in the title bar?

Correct AnswerverifiedShow Answer

The attributes of each window component are actually stored in a list.

Correct AnswerverifiedShow Answer

What class in the breezypythongui module provides a scrollable box for the display and selection of items?

Correct AnswerverifiedShow Answer

The font attribute in tkinger.Label is an object imported from tkinter.font.

Correct AnswerverifiedShow Answer

How can you associate a keyboard event and an event-handling method with a widget?

Correct AnswerverifiedShow Answer

The breezypythongui module's IntegerField component is a subclass of the Entry class.

Correct AnswerverifiedShow Answer

What is the "self" parameter utilized for in a class definition block?

Correct AnswerverifiedShow Answer

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