Gaddis Python 2e Chapter 14

---

 

Download  file with the answers

If you are not a member register here to download this file 

---

 

Chapter Fourteen

MULTIPLE CHOICE

1. What are the items that appear on the graphical interface window called?
a. Buttons
b. Icons
c. Widgets
d. Graphical elements

ANS: C

2. What types of programs are event-driven?
a. GUI programs
b. Command line programs
c. Procedural programs
d. Modular programs

ANS: A

3. Which widget allows the user to select a value by moving a slider along a track?
a. Entry
b. Scale
c. Scrollbar
d. Slider

ANS: B

4. The Toplevel widget is a container, like a(n) _____, but displays in its own window.
a. Label
b. Frame
c. Canvas
d. Message

ANS: B

5. Which widget will display multiple lines of text?
a. Label
b. Canvas
c. Message
d. Text

ANS: C

6. Which widget will create an area that displays one line of text or an image?
a. Label
b. Frame
c. Canvas
d. Message

ANS: A

7. Which widget will create a rectangular area that can be used to display graphics?
a. Label
b. Frame
c. Canvas
d. Message

ANS: C

8. In Python, what module is used to create a GUI program?
a. tkinter
b. Pgui
c. gint
d. pygui

ANS: A

9. In which environment can a user determine the order in which things happen?
a. Command line
b. GUI
c. ALU
d. CPU

ANS: B

10. In a GUI environment, most interactions are done through small windows known as _____ that display information and allow the user to perform actions.
a. input boxes
b. windows
c. dialog boxes
d. message boxes

ANS: C

11. In which type of interface is a prompt displayed that allows the user to enter a command, which is then executed?
a. Command line
b. GUI
c. ALU
d. CPU

ANS: A

12. The _____ accepts the user’s commands.
a. register
b. CPU
c. operating system
d. ALU

ANS: C

13. With what part of the computer does the user interact?
a. Graphical unit
b. User interface
c. Register
d. CPU

ANS: B

14. How many graphical widgets does the tkinter module provide?
a. Five
b. Ten
c. Fifteen
d. Twenty

ANS: C

15. The acronym GUI stands for:
a. Graphical User Interface
b. Graphical Unit Interface
c. Graphical User Interaction
d. Graphical Users’ Interface

ANS: A

TRUE/FALSE

1. True/False: Python does not have GUI programming features built into the language itself.

ANS: T

2. True/False: Programs that use tkinter do not always run reliably under IDLE.

ANS: T

3. True/False: A root widget’s destroy method can be used as a callback function for a quit button.

ANS: T

4. True/False: Using the radio buttons, the user can make multiple selections at one time.

ANS: F

5. True/False: Check buttons are displayed in groups and used to make mutually exclusive selections.

ANS: F

6. True/False: Many computer users find a command line interface relatively easy to use.

ANS: F

7. True/False: In a GUI environment, no text input is possible.

ANS: F

8. True/False: The pack method determines where a widget should be positioned.

ANS: T

9. True/False: An info dialog box is a simple window that displays a message to the user and has an OK button that closes the dialog box.

ANS: T

10. True/False: To use the showinfo function, the tkinter.messagebox module needs to be imported.

ANS: T

FILL IN THE BLANK

1. A(n) _______________ allows the user to interact with the operating system and other programs through graphical elements on the screen.

ANS: GUI

2. The GUI popularized the use of the _______________ as an input device.

ANS: mouse

3. _______________ are small windows that display information and allow the user to perform actions.

ANS: Dialog boxes

4. GUI programs respond to the actions of the user, and so they are called _______________ programs.

ANS: event-driven

5. The _______________ module allows you to create GUI programs in Python.

ANS: tkinter

6. The _______________ widget is used to display text in a window.

ANS: Label

7. The Label widget’s _______________ method determines where a widget should be positioned and makes the widget visible when the main window is displayed.

ANS: pack

8. A(n) _______________ is a container that can hold other widgets and organize the widgets in a window.

ANS: Frame

9. A(n) _______________ function is a function or method that executes when the user clicks the button.

ANS: callback

10. A(n) _______________ is a widget that the user can click to cause an action to occur.

ANS: Button