COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT 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: -Today, UPC barcodes are pre-printed on most items in shops and supermarkets. They speed up the check-out process, help to track stock and reduce shoplifting. They also allow shops to offer special deals and discounts that can be applied at the check-out automatically when the barcode is scanned.
Detailed explanation-2: -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. Besides ease and speed, bar codes’ major business benefits include accuracy, inventory control and cost savings.
Detailed explanation-3: -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-4: -What is a barcode used for? Barcodes are used to identify products in stores. They provide information to a computer system, which is used to track inventory, pricing, and other data. Barcodes are also used to track shipments, verify product authenticity, and manage returns.