Barcode reader:
Barcode reader is used to read information in the form of the bar code. The readers are usually in the form of a barcode scanner and are often built in to POS terminals in supermarkets. |
| Figure: Barcode reader |
Uses of a Barcode reader:
- Barcode scanners are used in supermarkets and other shops where the goods are marked with a barcode; the barcodes are used to give information about the product, which enables automatic stock control, itemized billing etc. to take place.
- They are used in libraries, to scan both user’s library cards and barcodes on books, in order to keep track of books on loan.
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