A device is usually a constructed

tool A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates ba ...

. Device may also refer to:

Technology

Computing

* Device, a colloquial term encompassing desktops, laptops, tablets, smartphones, etc. *

Device file In Unix-like operating systems, a device file or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. There are also special files in DOS, OS/2, and Windows. These special files allow a ...

, an interface of a device driver *

Peripheral A peripheral or peripheral device is an auxiliary device used to put information into and get information out of a computer. The term ''peripheral device'' refers to all hardware components that are attached to a computer and are controlled by the ...

, any device attached to a computer that expands its functionality

Warfare

Improvised explosive device An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechan ...

(IED) *

Nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb), producing a nuclear explosion. Both bom ...

Other uses in technology

* Appliance, a device for a particular task *

Electronic component An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. Electronic components are mostly industrial products, available in a singular form and are not ...

Gadget A gadget is a mechanical device or any ingenious article. Gadgets are sometimes referred to as '' gizmos''. History The etymology of the word is disputed. The word first appears as reference to an 18th-century tool in glassmaking that was develo ...

Machine A machine is a physical system using Power (physics), power to apply Force, forces and control Motion, movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to na ...

Medical device A medical device is any device intended to be used for medical purposes. Significant potential for hazards are inherent when using a device for medical purposes and thus medical devices must be proved safe and effective with reasonable assura ...

Arts, entertainment, and media

Music

Groups

Device (metal band) Device was an American industrial metal band started by David Draiman, frontman of the heavy metal group Disturbed, and Geno Lenardo, former guitarist of Filter. They released one album, '' Device'', in 2013. History Formation and self-titled ...

, American industrial metal band active 2012–2014 *

Device (pop-rock band) Device was a short-lived American pop-rock trio from the mid 1980s, formed by keyboardist, bassist and vocalist Holly Knight. It also included frontman Paul Engemann and guitarist Gene Black. History 1985: ''Mad Max Beyond Thunderdome'' In 19 ...

, American pop-rock trio from the mid 1980s

Albums

* ''Device'' (Device album), 2013 * ''Device'' (Eon album), 2006

Other uses in arts, entertainment, and media

Plot device A plot device or plot mechanism is any narrative technique, technique in a narrative used to move the Plot (narrative), plot forward. A clichéd plot device may annoy the reader and a contrived or arbitrary device may confuse the reader, causing ...

, as in storytelling *

Rhetorical device In rhetoric, a rhetorical device, persuasive device, or stylistic device is a technique that an author or speaker uses to convey to the listener or reader a meaning with the goal of persuading them towards considering a topic from a perspective, ...

, a technique used in writing or speaking * ''

The Device ''The Device'' is a 2014 American science fiction horror film directed by Jeremy Berg. It stars Angela DiMarco and Kate Alden as sisters who must deal with an alien abduction after one's husband, played by David S. Hogan, becomes obsessed with a s ...

'', a 2014 American science fiction horror film

Other uses

Dev1ce Nicolai Hvilshøj Reedtz (born 8 September 1995), better known as dev1ce (pronounced and sometimes spelled as device), is a Danish professional '' Counter-Strike: Global Offensive'' player for Astralis. On his first stint in Astralis, he becam ...

or Device, nicknames for Nicolai Reedtz, a Danish professional ''CS:GO'' player * Device, something that can be

trademarked A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies products or services from a particular source and distinguishes them from others. ...

, such as a logotype (or "logo") in printing or in law * Devices, aspects of a military-award decoration in the United Kingdom *

Personal device A heraldic badge, emblem, impresa, device, or personal device worn as a badge indicates allegiance to, or the property of, an individual, family or corporate body. Medieval forms are usually called a livery badge, and also a cognizance. They are ...

, another name for a heraldic badge

People with the surname Device

* Alizon Device (died 1612), executed as one of the Pendle witches *

Elizabeth Device The trials of the Pendle witches in 1612 are among the most famous witch trials in English history, and some of the best recorded of the 17th century. The twelve accused lived in the area surrounding Pendle Hill in Lancashire, and were charged w ...

(died 1612), executed as one of the Pendle witches *

James Device The trials of the Pendle witches in 1612 are among the most famous witch trials in English history, and some of the best recorded of the 17th century. The twelve accused lived in the area surrounding Pendle Hill in Lancashire, and were charged w ...

(died 1612), executed as one of the Pendle witches * Jennet Device (), witness at the trial of the Pendle witches