COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To automate supermarket checkout systems
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To provide remote assistance at checkouts
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To enable self-service checkouts
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None of the above
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Detailed explanation-1: -Barcodes encode product information into bars and alphanumeric characters, making it much faster and easier to ring up items at a store or track inventory in a warehouse.
Detailed explanation-2: -UPCs make it easy to identify a product by its name, item type, size and color when it’s scanned at the checkout. They were initially created to make grocery store checkouts faster, but nowadays they’re also commonly used to help track inventory in retail stores and warehouses.
Detailed explanation-3: -How Does a Barcode Inventory System Work? Automated inventory systems work by scanning a barcode on the item. A barcode scanner is used to read the barcode, and the information encoded by the barcode is read by the machine. This information is then tracked by a central computer system.