What are data output devices?

Answer:
This is devices that make information available in a usable form. There are four main output devices:
1. Screen/VDU (Visual Display Unit)
2. A printer
a. Produces a hard copy
3. Plotter
a. This used for technical drawings and maps
4. Speakers
a. They output sound
First answer by Mattzabozo. Last edit by Mattzabozo. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 2 [recommend question].