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Input devices allow us to put information into a computer. The computer processes the information and then produces outputs that we can understand using an output device.
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| Submitted: Wed Oct 01 2003
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Input devices allow us to put information into a computer. The computer processes the information and then produces outputs that we can understand using an output device. Examples of input devices Barcode reader Barcodes are different groups of vertical bars that can be read by an optical scanner. Barcodes are printed on nearly every product that you can buy. Shops use barcodes because they are cheap to produce and very durable. Concept keyboard A concept keyboard is a flat board that contains a grid of buttons. Each button can be programmed to follow instructions. An overlay sheet is placed on the grid with an explanation for each button. They are used in primary schools with young children. Many modern fast food restaurants have overlays with either a description or picture of the meals that are available to make ordering easier Digital camera A digital camera allows you to take pictures and to store a digital photographic...
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