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Encyclopedia > Output device

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. Image File history File links Mergefrom. ... A graphical output device is a computer output device that produces visual material. ... Image File history File links Mergefrom. ... It has been suggested that this article or section be merged into output device. ... It has been suggested that Peripheral be merged into this article or section. ... For other uses, see Data entry clerk. ... An information processor or information processing system, as its name suggests, is a system (be it electrical, mechanical or biological) which takes information (a sequence of enumerated states) in one form and processes (transforms) it into another form, e. ... This article is about the machine. ...


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. Energy Input: The energy placed into a reaction. ... An information processor or information processing system, as its name suggests, is a system (be it electrical, mechanical or biological) which takes information (a sequence of enumerated states) in one form and processes (transforms) it into another form, e. ... This article is about the machine. ...


The most common input devices used by the computer are the keyboard and mouse. The keyboard allows the entry of textual information while the mouse allows the selection of a point on the screen by moving a screen cursor to the point and pressing a mouse button. The most common outputs are monitors and speakers.


Some common output devices

Visual display unit
A visual display unit (also called VDU, monitor, or screen) offers a two-dimensional visual presentation of information.
Speaker
A speaker can be used for various sounds meant to alert the user, as well as music and spoken text.
Printer
Printers produce a permanent hard copy of the information on paper.

  Results from FactBites:
 
V4L2 Video Output API Specification (1752 words)
An output device can be thought of a reverse capture device, or as a codec device where the output goes out onto a wire or to a frame buffer instead of to a memory buffer.
In this case the frame buffer is not modified by the video device, and the frame buffer address and format are not needed by the driver.
Fill in the output number in the structure with the video output associated with the modulator, then pass the structure to the ioctl to have the data filled in.
output device (192 words)
Any device for displaying, in a form intelligible to the user, the results of processing carried out by a computer.
Electronic output devices can be mechanical, audio, or visual.
Mechanical and audio outputs tend to have a higher power demand than other output devices.
  More results at FactBites »

 
 

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