A computer input device that reads the BAR CODE printed on an article of merchandise and converts it to a number: such readers depend on the reflection of a low-powered laser beam to read the pattern of stripes. Bar code readers are available both as hand-held units for stocktaking, and built into tills or supermarket checkout stations.
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Dinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.
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