A bar code is a set of machine-readable parallel lines or concentric circles, encoding information about a product.
Bar code stores numbers only,but QR code can be store be with any multimedia.
Disregard the first and last bar, they mark the beginning and end of the bar code. Each digit in a bar code is made up of 2 tall and 3 short bars, starting with the second bar read 5 bars as 7,4,2,1,0. which ever numbers has the tall bars add them to get the first digit of the bar code. 7 and 4 is 0.
The first product to have a bar code included was a packet of Wrigley's Gum.
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A student Bernie overheard a conversation and told his teacher Woodland about it and he experimented and he invented the bar code using morse code.
The level of measurement of a bar code is nominal.
"bar code" contains 7 letters.
Bar codes have a meaning because the meaning of a bar code is assigned to that bar code. A bar code identifies an item, and product information regarding that item is held in a data base.
The country code and area code of Bar, Montenegro is 382, (0)85.
Americium is not used in bar code scanners.
The zip code for diamond bar is 91765
The ISBN of The Bar Code Rebellion is 978-0439803854.
The ISBN of The Bar Code Tattoo is 978-0439395625.
Suzanne Weyn is the author of The Bar Code Tattoo.
A bar code for pH doesn't exist.
The country code and area code of Bar, Ukraine is 380, (8~0)43410.
Bar code stores numbers only,but QR code can be store be with any multimedia.