When is a barcode used for input and how
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barcode reader is used to capture and read information contained in barcode they can be contacted to computer through serial port or an interface device called wedge.
They can be used in banks for reading barcode in passbook or in big shops where the products are listed by barcode.
They can be used in banks for reading barcode in passbook or in big shops where the products are listed by barcode.
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