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  Output Devices

Introduction to Output Devices - "How it shows you what it is doing"

For instance, monitor (the screen) is how the computer sends information reverses to you, either it be surfing the web or writing a memo. A printer is as well an output (o/p) device.

CRT SCREENS: The cathode ray tube is abbreviated as CRT is a type of screen that is generally called a monitor and makes use of similar technology like a television screen.

SOLID STATE SCREENS: Solid state screens are also termed as LCD (Liquid Crystal Displays), use tiny transistors to produce light and make an image. Initially, LCD (Liquid Crystal Displays) screens were confined to laptops.

PRINTERS:

There are several types of printer available (that is laser, ink jet, dot matrix) with different quality of output. They are calculated in dpi that is dots per inch and ppm that is pages per minute, the higher the better. There are several dissimilar types of printers. In large organizations laser printers are very much generally used because of the fact that they can print extremely fast and provide an extremely high quality output.

PLOTTERS:

A plotter is an output (o/p) device that is identical to a printer, but generally permits you to print larger images. A plotter contains a device which can move paper both forwards and backwards. On the top of the device one or more than one pens are capable to move horizontally on the paper. The combined movement of the pens horizontally on the paper and the vertical movement of the paper permit complex continuous diagrams to be drawn.  A number of plotters permit different colour pens to be employed to make diagrams in multiple colours.

SPEAKERS

Modern computers using the suitable software. That software can turn text in a document into audible speech. This is termed as speech synthesis. Other types of software permit music and other sounds to be formed and played back.

The line among the computer and a home entertainment system is turning blurred. Computers are capable to play music straight from a CD or play a film from a DVD. You can even fit your computer with TV card or a radio to add these functions.

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