An input device is a hardware which transfers data into the computer Input & Output Devices An input device is a hardware which transfers data into the computer An output device is a hardware which transfers data out of the computer. In this presentation I will talk about Input & Output Devices An input device is a hardware which transfers data into the computer An output device is a hardware which transfers data out of the computer. I’ve chosen two devices, speaker and plotter October 27, 2010 1

Speakers Output device that converts electrical signals into sounds, loud enough to be heard at a distance to amplify the sound Advantages: · They're very simple to operate. Disadvantages: · They can take up a fair amount of desk-space, compared to headphones. It’s an output device that converts electrical signals into sounds, loud enough to be heard at a distance They are used to amplify the sound so that it can be used for social or personal use. Their advantages are: -they are Simple to operate –They Alert if there are pop-ups –They come Provided with computer And the disadvantages are: -they take up an amount of desktop -Can distract people

Plotters Output device A printer that makes line drawings on paper with specialised pens. Draw vector graphics Advantages: · Print more precise lines Disadvantages: · Can take half an hour to print drawings A plotter is an output device, It’s a printer that makes line drawings on paper with specialised pens. It uses are that they can draw continuous point-to-point lines from vector graphics Its advantages are: - They print faster that other types of printing machines - They print more precise lines – it has a high colour accuracy & printer quality And the disadvantages are: - They can take half an hour to print drawings - they’re more expensive than a regular printer - it takes a lot of space