What is the difference between Input and Output Devices
by Thomas Clegg

1. output devices are the pieces of hardware that move information (data that have been processed) out of the computer. (p. 119).
2. An input device includes any computer peripheral that you might use to enter data into the computer. A peripheral is any device that can be connected to a computer. (p. 117).
3. Types of Output Devices
3.1. Monitor
3.1.1. Speakers
3.1.1.1. Printer
4. Types of Input Devices
4.1. Keyboard
4.1.1. Touchpad
4.1.1.1. Touchscreen
4.2. Mouse
4.2.1. Microphone
4.2.1.1. Scanner