PCPP-32-101 3.2 Use GUI Toolkits, Blocks, and Conventions to Build Simple GUIs PCPP-32-1 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which Canvas method is used to draw a rectangle?

   • Acreate_oval()
   • Bcreate_polygon()
   • Ccreate_rectangle()
   • Dcreate_line()
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   What is the purpose of calling mainloop() on a tkinter root window?

   • AIt starts the event loop that processes user interactions and keeps the window responsive.
   • BIt sets the window's title and size before display.
   • CIt immediately closes the window and terminates the program.
   • DIt redraws the window once and then returns control to the script.
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which of the following correctly defines a callback function that can be used with a Button's command option?

   • Adef handle_click(): print('Clicked')
   • Bdef handle_click(): return 'Clicked'
   • Cdef handle_click(*args): print('Clicked')
   • Ddef handle_click(event): print('Clicked')
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   Which geometry manager arranges widgets in a table-like structure using rows and columns?

   • Aplace()
   • Bgrid()
   • Cpack()
   • Dtable()
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   How do you determine which Radiobutton in a group is selected?

   • AUse the is_checked() method on the group.
   • BCheck the state attribute of each Radiobutton.
   • CCall the selected() method on each Radiobutton.
   • DUse a shared tkinter variable (e.g., StringVar) and call its get() method.
   Reveal Solution Discussion Select an answer first