Programming 2 - Lesson 08

What is the main difference between a computer’s coordinate system and the Cartesian coordinate system?

• In computers, both x and y coordinates are reversed.

• The x-axis is reversed in computer graphics.

• The y-axis is reversed in computer graphics.

• Computers don’t use coordinate systems.

What does RGB stand for when specifying colors?

• Red, Green, Brown

• Red, Green, Blue

• Royal Green Blue

• Random Green Blend

In Pygame, what is the function used to open a window?

• pygame.display_window()

• pygame.open_window()

• pygame.display.set_mode()

• pygame.open_display()

What does the pygame.quit() function do?

• It pauses the game.

• It shuts down all Pygame modules.

• It restarts the game.

• It exits the event loop only.

What is the recommended number of frames per second (fps) in a Pygame loop?

• 30

• 60

• 120

Why do we clear the screen before drawing new graphics in Pygame?

• To reset the screen’s resolution.

• To change the color of the screen.

• To avoid overlapping or smearing of previous images.

• To slow down the frame rate.

What function is used to draw a line in Pygame?

• pygame.draw.line()

• pygame.draw_shape()

• pygame.line_draw()

• pygame.screen_line()

What does the clock.tick(60) command do in Pygame?

• It limits the game to run at 60 frames per second.

• It speeds up the frame rate to 60.

• It restarts the game every 60 seconds.

• It displays the current time.

What colour would be defined by (0, 255, 0)?

• Black

• Red

• Green

• Blue

• White

What colour would be defined by (255, 255, 255)?

• Black

• Red

• Green

• Blue

• White