COMPUTER PERIPHERALS AND INTERFACES
PERIPHERAL DEVICES SCANNER CAMERA AND MICROPHONE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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sum
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product
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example
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token
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Detailed explanation-1: -Barcodes contain details about a product such as the size, type, and manufacturer. However, it doesn’t contain price information, which is often stored in a database. Point of Sale (POS) software or machine helps to match product information on a barcode with the stored price of the product.
Detailed explanation-2: -Barcodes typically store product information such as price and weight, date of manufacture, expiration date, and the manufacturer’s name. The greatest limit on a barcode is that the more information stored, the larger the barcode must be.
Detailed explanation-3: -A barcode is a square or rectangular image consisting of a series of parallel black lines and white spaces of varying widths. Barcode stores product related data like the date of manufacturing, expiry date, name of the manufacturer, country of the origin and price quantity of the product.
Detailed explanation-4: -The barcode scanning system detects the amount of light, which is then translated into a set of digits or data. Information can be retrieved from a computer database using this data.