Peripheral

This article is about a computer device. For the Greek subdivision, see Peripheral units of Greece. For the mathematical term, see Boundary parallel.

A peripheral is a device attached to a host computer, but not part of it, and is more or less dependent on the host. It expands the host's capabilities, but does not form part of the core computer architecture.

Examples are computer printers, image scanners, tape drives, microphones, loudspeakers, webcams, and digital cameras.

Common peripherals

• Storage
• Input
  • Input device
• Output
  • Output device
  • Display device
  • Graphical output device
  • Computer display

A device such as keyboards, printers, or even your computer monitors are known as Peripheral Devices. Peripheral devices connect to the system unit through the ports on the computer.

See also

• Computer hardware
• Controller
• Expansion card
• Video game accessory

External links

• The Wiktionary entry for peripheral