Input devices
Input devices send data or commands to a computer.
Keyboard
Enters text, numbers and commands.
Mouse
Controls a pointer and helps select items.
Microphone
Captures sound as input.
Camera
Captures images and video.
Scanner
Converts physical documents or images into digital data.
Touchscreen
Acts as both a display and an input surface.
Output devices
Output devices present information from the computer to the user or another system.
Monitor
Displays text, images and video.
Speakers
Produce audio.
Printer
Creates a physical copy of digital content.
Projector
Displays computer output on a larger surface.
Some devices do both
A touchscreen can display information and accept touch input. A multifunction printer can scan documents as input and print them as output.