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An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world.

In computing, input/output, or I/O, refers to the communication between an information processing system (such as a computer), and the outside world. Inputs are the signals or data sent to the system, and outputs are the signals or data sent by the system to the outside.

Examples of output devices:

• Speaker
• Headphones
• Screen
• Printer

[edit] See also

• Graphical user interfaces
• CAD
• Computer-controlled milling machines
• Rapid prototyping
• Digital image processing
• Vector graphics vs. Raster graphics
• Graphics card
• Graphics chip
• Computer graphics

Also Webcam