Latest Input And Output Devices 2013 Pdf

Latest input and output devices 2013 pdf

An output device is any piece of computer hardware equipment which converts information into human-readable form. It can be text , graphics , tactile , audio , and video.

Output Devices

A new type of Output device is been developed these days, known as Speech synthesizer , [2] a mechanism attached to the computer which produces verbal output sounding almost like human speeches. A display device is the most common form of output device.

Latest Input and Output Devices complete in Urdu/Hindi

It presents output visually on computer screen. The output appears temporarily on the screen and can easily altered or erased, it is sometimes referred to as soft copy also. The display device for a desktop PC is called monitor.

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With all-in-one PCs, notebook computers, hand held PCs and other devices; the term display screen is used for the display device. The display devices are also used in home entertainment systems, mobile systems, cameras and video games. Display devices form images by lighting up the proper configurations of pixels. Monochrome monitors actually display two colors, one for the foreground and one for the background.

Input and Output Devices

The colors can be black and white, green and black, or amber and black. The Colored Monitor is a display device capable of displaying many colors.

Latest input and output devices 2013 pdf

The Color monitors can display anywhere from 16 to over 1 million different colors. A monochrome monitor is a type of CRT computer display which was very common in the early days of computing , from the s through the s, before color monitors became popular.

Types of output devices

The most important component in the monitor is the picture tube. CRT basically means cathode ray tube. To form the image on the screen, an electronic gun sealed inside a large glass tube fires electrons at phosphorous coated screen to light up the appropriate pixels in the appropriate color to display images. Typical refreshment rates are between 60 and 85 times in a second. They are still widely used in applications such as computerized cash register systems.

Latest input and output devices 2013 pdf

Green screen was the common name for a monochrome monitor using a green "P1" phosphor screen. The color monitors are sometimes called RGB monitors, because they accept three separate signals red, green, and blue. In contrast, a monochrome monitor can display only two colors one for the background and one for the foreground.

Latest input and output devices 2013 pdf

Color monitors implement the RGB color model by using three different phosphors that appear red, green, and blue when activated. By placing the phosphors directly next to each other, and activating them with different intensities, color monitors can create an unlimited number of colors.

In practice, however, the real number of colors that any monitor can display is controlled by the video adapter. From Wikipedia, the free encyclopedia.

What are the output devices of my computer

Retrieved Basic computer components. Categories : Computing output devices.

Latest input and output devices 2013 pdf

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