COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What combination of devices would you select in order to provide customers of a supermarket with a customised bill?
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Barcode reader and a printer
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Keyboard, mouse and a printer
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Scanner and a printer
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None of the above
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Explanation:
Detailed explanation-1: -UPC/EAN – a GS1 standard used to label individual products.
Detailed explanation-2: -Once a product arrives at a store, the barcode is scanned into the system and a price for that particular product is matched to its code. When a purchase is made at the counter, a laser reads the code and the price is automatically added to the receipt.
Detailed explanation-3: -WODEMAX Portable Wired Android Bar Code Reader Handheld Qr Code 1D 2D. OCOM OCPC-001 Windows Android 10.1 Inch Price Checker Ten-point Capacitive Touch Screen 1D/2D Barcode Scanner for Supermarket. Netum Factory Outlet F Series 1D Barcode Reader Supermarket Wired Wireless Bar Code Scanner. More items
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