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Explain Different Types Of Output Devices

Output devices


Out put devices are used to display results of processing to the user. They perform the following functions:
  1.  Receive results from memory
  2.  Convert data into human readable form
  3.  Display results to the user

Examples include: Monitor, printer, plotter, speaker, and multimedia projector.

Different Types of Output Devices


1.    Monitor
Monitors, Different Types of Output Devices
LCD Monitor

CRT Monitors, Different Types of Output Devices
CTR Monitor
   

Monitor is the most commonly used output device used to display results of processing. It has a TV like shape. Pictures on monitor are formed with picture elements called PIXEL. Monitors may be Monochrome that will display results in Black & White. Color Monitors are also available. They display results in multi colors. Monitor produces soft copy output.


2.    Printers

Printers are used to produce hard copy out put. They print processing results on paper. Printers are divided into two main categories:
·    Impact Printers
·    Non Impact printers

Impact Printers.
Impact Printers, Different Types of Output Devices

These printers print with striking of hammers or pins on ribbon. For example Dot Matrix printer and daisy wheel printers are impact printers.

Non-Impact Printers.
Non-impact Printers, Different Types of Output Devices

These printers do not use striking mechanism for printing. They use electrostatic and laser technology. Quality and speed of these printers is better than Impact printers. For example Laser printer and Inkjet printers are non-impact printers.

3.    Speaker and Headsets
Speakers, Different Types of Output Devices
Speakers for Desktop computer

Speakers and head sets produce sound output. We can listen recorded voices, sounds or music with the help of speaker or headset. Speaker produces sound output with the help of sound card.
Headsets - used to produce audio output



4.    Plotter
Plotters, Different Types of Output Devices

A plotter is an output device used to produce image-quality graphics in a variety of colors. Plotters are used to print large maps, architectural drawings, graphs and charts. Plotters are used to draw different designs of buildings or internal structure of machines. Plotters offer the fastest way to efficiently produce very large drawings or color high-resolution graphics. Engineers and Architects use plotters.

5.    Multimedia Projector.
Multimedia Projectors, Different Types of Output Devices
Multimedia Projector

Multimedia projector is used to produce computer output on a big screen. These are used in meeting rooms or in classrooms of educational institutes. Since the output produced by multimedia projector is displayed on a large screen, it can be viewed by a large number of people in a hall, meeting / conference room or a class room. Mostly teachers use data projectors in class rooms for delivering lectures ( a use of audio visual aids technology)


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Unknown said…
Great post! I am actually getting ready to across this information, is very helpful my friend. Also great blog here with all of the valuable information you have. Keep up the good work you are doing here.Commercial Printers
September 3, 2014 at 3:50 PM
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