what is output device | Examples of output devices

OUTPUTDEVICE

Output is a last process of input & processing which let a user know/her output information via different output medium. When we give any information to computer system, computer process data and after processing, we find a correct output result from system.

Here are some examples of output devices……..

Monitor	Printer	Projector
Speaker	Led bulb	Plotter

  Monitor                                        

This is an output device. Which give us a correctly result output from system. Monitor can be categorized into two types on the basis of technology the first one is CRT and second is LCD.

  Monitor detail is given blow by number:

CATHODE RAY TUBE

This is TV (television) like screen where the results of a computer’s tasks are displayed.in this TV cathode ray falls on florescence screen and by deflecting rays make picture. There are two type of CRTs:

fig - cathode ray tube monitor

• Monochrome: in this show black and white colors
• Color: it has three different phosphors which emit Red, green, and blue.

 LCD (Liquid Crystal Display)

 This VDU is thin; flat and having light modulating technology.it is of two type

fig - led 

•  TFT (Thin Film Transistor) it is a variant of LCD and makes matrix but not self lighting.
  
• LED (Light Emitting Diode) it is self back light emitting technology; picture quality is better

  Printer

A printer is an output device that prints text documents, images, spread sheet etc.as hard copy.printer’s  quality is measured in dot per inch (DPI)

Projector

Projector is output device and often used in meetings, cinema hall. It contains a lens inside which is used to flash film to find a correct result , object.

fig - Projector

  Speaker

Speakers also called an output devices which is used to play a sound as output. It is used in multimedia  applications to play or listen to music or sound.

Fig - Multimedia loud speaker

Led bulb                                                    

It is called an output device. It is used for bright when we give a current into bulb.this bulb made from plastic and glasses to bright many place in a second time.

Plotter

Plotter is an output device that is used to produce graphical output on papers.it uses single color or multi color  pens to draw pictures as blue print etc. it is used in the engineering application. We can draw an logo, sticker  with colorful paper for designer.

fig - Plotter

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