PCPP-32-101 3.2 Use GUI Toolkits, Blocks, and Conventions to Build Simple GUIs PCPP-32-1 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which method is used to bind a key press event to a handler function in tkinter?

   • Aevent()
   • Bbind()
   • Cconnect()
   • Don()
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2. 7foundation · easy

   Which module provides standard dialog boxes such as showinfo and askyesno in tkinter?

   • Atkinter.widgets
   • Btkinter.dialog
   • Ctkinter.popup
   • Dtkinter.messagebox
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4. 8foundation · easy

   Which method is used to close a tkinter window programmatically?

   • Aquit()
   • Bexit()
   • Cdestroy()
   • Dclose()
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5. 9foundation · easy

   What does the padx option do in the grid() method?

   • ASpecifies the column index for the widget.
   • BSets the widget's width in pixels.
   • CAdds horizontal padding (space) around the widget.
   • DAdds vertical padding above and below the widget.
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6. 10application · medium

   A tkinter form collects a user's preferred programming language using three Radiobutton widgets (Python, Java, C++). When the user clicks 'Submit', the application should display the selected language in a Label. Which code snippet correctly retrieves the selected Radiobutton value?

   • Avar = tk.IntVar(); tk.Radiobutton(root, text='Python', variable=var, value=1).pack(); tk.Radiobutton(root, text='Java', variable=var, value=2).pack(); tk.Radiobutton(root, text='C++', variable=var, value=3).pack(); label.config(text=var.get())
   • Bvar = tk.StringVar(); tk.Radiobutton(root, text='Python', variable=var).pack(); tk.Radiobutton(root, text='Java', variable=var).pack(); tk.Radiobutton(root, text='C++', variable=var).pack(); label.config(text=var.get())
   • Cvar1 = tk.StringVar(value='Python'); var2 = tk.StringVar(value='Java'); var3 = tk.StringVar(value='C++'); tk.Radiobutton(root, text='Python', variable=var1, value='Python').pack(); tk.Radiobutton(root, text='Java', variable=var2, value='Java').pack(); tk.Radiobutton(root, text='C++', variable=var3, value='C++').pack(); label.config(text=var1.get())
   • Dvar = tk.StringVar(value='Python'); tk.Radiobutton(root, text='Python', variable=var, value='Python').pack(); tk.Radiobutton(root, text='Java', variable=var, value='Java').pack(); tk.Radiobutton(root, text='C++', variable=var, value='C++').pack(); label.config(text=var.get())
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