What is output device ?
Computer output device are used to provide information for a user in different forms. Output include visual, audio, and digital. Computer output devices are computer hardware equipment, that are used to communicate the results of data processing carried out by a computer to the user.
Function of Output Device
An output device is any device used to send data from a computer to another device or user. Most computer data output that is meant for humans is in the form of audio or video. Most output devices used by humans are in these categories. Example include monitors, projectors, headphones and printers.
OUTPUT DEVICES:
Output devices are classified in to the following categories-
- Display devices (monitor, multimedia, projectors)
- Printers (dot-matrix, laser, inkjet)
- Speaker
Display Devices
Monitor
It is one of the primary computer devices. Monitor screen like T.V screen, monitor screen divided into 80 character 25 row= 2000 (resolution) there are many types of monitor available in market.
Example:- CRT(Cathode ray tube)
LCD( liquid crystal display)
VGA( video graphics adopter)
SVGA( Super video graphics adopter)
Printer
Printer is one of the most popular output device we often use to get information on paper called it -hard copy. There are two types of printer.
Laser printer
Mainly laser printer are monochrome (black and white) but, color laser printer are available. It is faster than the inkjet printers. when you should decide to buy a printer your choice must start from laser types.
Inkjet printer
Projector
Projector is an output device, with which an image like a computer screen is projected onto a flat screen. A projector is often used in Business meeting or to make video presentation, because they allow for a large image to be shown.
Speaker
Computer speaker is the other output device which is used to hear a sound played by a computer. Speaker are generally connected with a USB cable into a computer.
Head Phone
Headphone is also an output device used to hear music from digital portable player, such as MP3 player. Headphone is designed to fit with our ear. It is also mainly used in computer games and chat online.
Plotter
Plotters are used to make line. They’re capable producing charge wing. Graphics maps and soon. There are two types of plotter. Pen plotter is known as flatbed plotters draw image with multicolor pens to your mechanical arm.
Thermal Printer
Thermal printer as the suggest use heat to produce the image an par media. These printers required special sensitive paper to produce image. The printer use to produce image. The printer use heating elements of printer head. The paper used with thermal printer will not retain the printed image than SQL month to one year. There are use printing sicker and national way mark.
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