Tuesday 5 February 2013

OUTPUT DEVICE

OUTPUT DEVICE-MONITOR
The monitor is the most commonly used output device.It is asl known as display or screen.The user looks at moniotr while performing different tasks such as typing,issuing commands or srfing the Internet .The quality of the image displayed on screen depends on many factors
An important factor that affects the quality of moniotr is called resolution.Resolution is the number of pixels on the screen .It is expressed as a matrix.All moniotrs can be categorized by the way they display colors

Different categories are  as follows

Monochorome : This monitor can dispaly only one color such as green ,amber or white.It usually uses black color as background.It can display only text.It is not  used to display graphics


Color Monitor:This monitor displays the combinations of red,green and blue colors.These are basic colors.A combination of these colors can display full range of colors.

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