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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Bar code input
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Keyboard input
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Touch Screen input
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None of the above
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Detailed explanation-1: -The amount of data a QR code can hold over a barcode is arguably the most significant difference. QR codes are two-dimensional as opposed to their one-dimensional barcode counterparts. This means that QR codes can contain much more data.
Detailed explanation-2: -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-3: -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.