MULTIMEDIA AND QUALITY OF SERVICE
INTRODUCTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Universal Product Code
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Voice recognition system
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Cathode-ray tube
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None of the above
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Detailed explanation-1: -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-2: -Barcode is a traditional printed machine-readable representation of data that consists of parallel black lines and white spaces of different widths. It is typically used to store information such as product numbers and prices.
Detailed explanation-3: -The lines and patterns on a barcode are actually representations of numbers and data and their development allowed basic information about a product to be easily read by an optical scanning device, a barcode scanner, and automatically entered into a computer system.
Detailed explanation-4: -A barcode (sometimes seen as two words, bar code) is the small image of lines (bars) and spaces that is affixed to retail store items, identification cards and postal mail to identify a particular product number, person or location.