OD

=OUTPUT DEVICES = Instructions to upload your contribution: 1. Click on EDIT (top right tab) 2. Write your name in brackets (for example [Maria Jose Mora]) 3. Write a title with the name of your component 4. Copy the information you wrote in your word document 5. Upload no more than three pictures from the ones saved in the hub. 6. Write all the websites you used for your research. 7. __Don't forget to Save your Work!__

[mazmoon F. Chang]

Speakers
== Speakers are devices that make sounds louder. You can increase and decrease the volume. They are output devices which means they take out sounds from the computer. You should know that you can’t touch sounds but it is still an output device because it is still taking somthing out which is sound. == == Alexander Graham Bell made the first electrical loudspeaker with a telephone in 1878.When you speak in a microphone, speakers make you hear what the person is saying from far away. Speakers are found in all kinds of sizes. There are small ones for your iPods and big ones for big presentations. You could control the volume of the speakers. New designs are better than older ones because you could hear them clearer. Without speakers for you to hear it might seem like an empty computer classroom. ==

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PLOTTER

A plotter is a computer printing device for printing vector graphics. In the past, plotters were widely used in applications such as computer-aided design, though they have generally been replaced with wide-format conventional printers, and it is now commonplace to refer to such wide-format printers as "plotters," even though they technically aren't. A plotter is like a big printer it was made to make big posters ETC. But now the plotters are mistaken for printers but much bigger. Plotters have now been replaced with printers. Pen plotters are just like the other plotters with ink it uses a pen to go back and forth with a pen or any other instrument. This means that plotters are restricted to line art, rather than raster graphics as with other printers.

Sources; Wikipidia, what is a plotter, plotter Wiki,