Barcode reader and sensors

Sensors

Electronic device or object capable of detecting real-life conditions and interpreting what it has detected into data that the device can understand. A good example of a sensor is a motion sensor that may be connected to a computer to help detect motion within a building. Other sensors may detect heat, light, radiation, and sound. The picture shows a Microsoft Fingerprint sensor and reader, a hardware device that allows you to identify yourself with the computer using your finger.

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Caption: : By Allan and Mahia

Barcode reader

Lines of different widths and sizes representing data, that when read determine what the scanned object is. Barcodes are often used to help organize and index information or prices about an object. Barcodes used by the U.S. postal service that helps speed the delivery of mail is another perfect example of how a barcode could be used. The picture is an example of what a barcode of an address.

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