Output Devices

Output Devices

An output device is a computer device that gives out information to the user. Computer outputs deliver data that has been processed by the computer.

Main examples of computer output devices

• Monitor
• Printer

Monitor

A monitor is a device that displays information to users. Monitors create visual displays from processed data that users can view.

Types of Monitors

• Plasma
• Cathode ray tubes
• Flat-panel displays

Printers

A printer is an output device that produces text or graphical documents.

Categories of printers

• Impact printers
  • Dot matrix or character printers
  • Line printers
• Non-impact printers
  • Laser printers
  • Inkjet printers
  • Thermal printers

Other examples of output devices include:

• Plotter: These devices are designed to draw lines on paper. Unlike printers, they can draw continuous lines. A plotter can also print alpha-numeric characters, but this is a slow process since the machine must draw each one.
• Sound boards: Speakers and a printed circuit board that adds digital sound reproduction capabilities to a computer are essential for using multimedia software. Many have MIDI (Musical Instrument Digital Interface) capabilities so that users can create their own music.
• Modem: A modem can be used to send information over the internet and telephone lines.
• Headphones
• Projector
• Multimedia speakers