Tech-Time : How do barcodes work?

bar-code-iconIn Computer Applications Technology (CAT), one of the areas we focus on in the information-processing cycle is input. I have often mentioned to my students about barcode scanners and RFID scanners etc. but am suprised at how little knowledge they have about this technology (which has been around for quite a while now).

In the video below, James May explains how barcodes work.


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