COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following Input Device does a supermarket use to input information about a product very quickly and without mistakes?
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Bar code scanner
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Chip and pin reader
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Touch Screen
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All 3 are used.
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Explanation:
Detailed explanation-1: -A barcode reader, also called a price scanner or point-of-sale (POS) scanner, is a hand-held or stationary input device used to capture and read information contained in a barcode.
Detailed explanation-2: -A Barcode reader or Barcode scanner is an electronic input device which is able to scan and decode barcodes.
Detailed explanation-3: -Barcode readers and scanners A BCR (barcode reader) or scanner, also known as a POS (point of sale) scanner is a hardware input device capable of reading a barcode using a laser.
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