Event-Driven Programming Quiz

What is the primary function of the main loop in event-driven programming?

• To initialise variables

• To continuously wait for and process events

• To terminate the program

• To execute callback functions directly

In the context of event-driven programming, what is a callback function?

• A function that calls other functions

• A function that is executed at the start of the program

• A function that is executed when a specific event occurs

• A function that terminates the main loop

Which of the following is NOT a feature of event-driven programming?

• Event handlers

• Main loop

• Event loops

• Time-driven functions

How does the after method in Tkinter function in event-driven programming?

• It binds an event to a widget

• It schedules a callback to be executed after a set interval

• It creates a new widget

• It terminates the main loop

Which Python library is commonly used for creating GUIs in event-driven programming?

• Pygame

• Requests

• Tkinter

• Flask

What role does the bind method serve in Tkinter?

• It creates a new window

• It terminates the main loop

• It binds an event to a callback function

• It schedules a periodic task

In the example import RPi.GPIO as GPIO, what does the GPIO.add_event_detect method do?

• It sets up the GPIO pins

• It adds a callback function for a specific GPIO event

• It terminates the GPIO setup

• It starts the main loop

Which of the following best describes a subroutine in event-driven programming?

• A block of reusable code invoked during event processing

• A function that runs continuously

• A function that terminates the main loop

What is the purpose of the root.mainloop() method in Tkinter?

• To create the main window

• To start the main event loop for the GUI

• To bind events to widgets

• To destroy the main window

In the context of event-driven programming, what is an event handler?

• A function that waits for user input

• A function that responds to specific events

• A function that starts the main loop

• A function that terminates the program