Device

A device is usually a constructed tool. Device may also refer to:

Technology

Computing 
 Device, a component of personal computer hardware
 Device file, an interface of a device driver
 Peripheral, any device attached to a computer that expands its functionality

Warfare 
 Improvised explosive device (IED)
 Nuclear weapon

Other uses in technology
 Appliance, a device for a particular task
 Electronic component
 Gadget
 Machine
 Medical device

Arts, entertainment, and media

Music

Groups
 Device (metal band)
 Device (pop rock band)

Albums
 Device (Device album), 2013
 Device (Eon album), 2006

Other uses in arts, entertainment, and media
 Plot device, as in storytelling
 Rhetorical device, a technique used in writing or speaking
 The Device, a 2014 American science fiction horror film

Other uses
 Dev1ce or Device, nicknames for Nicolai Reedtz, a Danish professional CS:GO player
 Device, something that can be trademarked, such as a logotype (or "logo") in printing or in law
 Devices, aspects of a military-award decoration in the United Kingdom
 Personal device, another name for a heraldic badge

See also
 Devise (disambiguation)