Matching Pairs Computer PartsOnline version Practice your computer parts by Tina Monks 1 A device for typing letters, numbers, and symbols 2 Displays information on a screen 3 Allows you to hear sound from the computer. 4 Handheld device for moving the cursor around the screen. You can also click on it. 5 Puts words and pictures onto paper 6 The brains of the computer. It processing information Central Processing Unit (CPU) Monitor Mouse Headphones Printer Keyboard