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EAN-139780780616783   EAN-13 barcode 9780780616783
Product NameThomas Jefferson: A Film By Ken Burns [Vhs]
LanguageEnglish
CategoryBook / Magazine / Publication
Amazon.comA Buy on Amazon ~ 630428957X
SKUMON0000008216
Price New8.99 US Dollars    (curriencies)
Price Used3.65 US Dollars    (curriencies)
Long DescriptionRevered as the author of the Declaration of Independence yet condemned as a slave owner, Thomas Jefferson has entered a new era of controversy. This penetrating biography first portrays the young Jefferson from the Virginia wilderness, transformed by the philosophic fire of the American Revolution. Torn between his career and family life at Monticello, he suffers heartrending personal loss even as he pens a new concept in democratic government. Follow Jefferson's rising star as he becomes U.S. Minister to France, enters national politics, fulfills his destiny as President and begins his busy retirement years.
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Created11-22-2012 12:09:50pm
Modified11-18-2016 9:48:47am
MD5ba75574ce7d5c30cb0e3832e1fd6eec8
SHA25696fe5a804cae6d1f577952c0575fc4dde71972e6ad1b5af0fc7a05f7775532c7
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Query Time0.0126069

Article of interest

Code 128 is a high-density 1D barcode symbology. This barcode set makes use of the entire 128 ASCII characters which include letter, number and symbols.

Code 128 Barcode

As with all barcodes, there are indicators to identify where the barcode starts and stops. These are marked in yellow below. Code 128 also has a check character which has been marked in green. The remainder of the barcode is the data being encoded. The text below the barcode is optional and is for human consumption in the event the barcode can't be scanned or if people also need to know what the code means.

Code 128 Barcode

Each character in the barcode symbol is composed of three bars and three spaces. Each bar or space must range from 1-4 units and the sum of all the width of all bars must work out to an even number. The stop marker is special because it adds an extra bar of 2 units at the very end (4 bars and 3 spaces). There are three different start markers to to identify which code set is being used. To represent all 128 characters, the code sets can be within a single barcode as needed by using control characters 98-101 (depending on the code set).

The check character is calculated by summing the value of each character and multiplying it by its position. The start character is also part of the sum but is added without weight (multiply by 1 just like the first encoded data character) then when you have the sum take the modulo 103 remainder. This gets a little more complex when mixing modes within a single barcode.

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