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EAN-139780847826377   EAN-13 barcode 9780847826377
Product NameOne Hundred & One Beautiful Small Towns In Italy (101 Beautiful Small Towns)
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionHeight:10.16 inches / Length:1.06 inches / Weight:3.72 pounds / Width:10.08 inches
Amazon.comA Buy on Amazon ~ 0847826376
Price New19.99 US Dollars    (curriencies)
Price Used2.27 US Dollars    (curriencies)
Width1.15 inches    (convert)
Height10.65 inches    (convert)
Length10.35 inches    (convert)
Weight59.52 ounces    (convert)
AuthorPaolo Lazzarin
Page Count276
BindingHardcover
Published10/29/2004
Long DescriptionThe perfect guide for those who can't resist succumbing to Italy's charms again and again, now in a popular pocket-sized format. Who hasn't dreamt of being whisked away to a sweet little Italian town buried deep in the countryside? The small towns sprinkled throughout this expansive book are not only rich with beauty but also saturated with as much historical and cultural importance as their sister cities. The fact that they are "off the beaten path"-though sometimes extraordinarily famous for their art, food, and wine, or simply their setting-makes them rare gems even more desirable to see. The 101 towns featured represent the twenty diverse regions of Italy and their varied landscapes, architecture, and local specialties. Practical sidebars introduce the reader to traditional artisans as well as to the best place to buy Parmigiano Reggiano or the greatest terrace to take in a Tuscan sunset. Art and architecture are also amply covered, from the history of L'Aquila's ninety-nine fountains to the most elaborate of baroque churches. You will be amazed to see how much Italy has to offer beyond the well-trod paths of Venice, Florence, and Rome: from Asolo to Vicenza, flea markets to fish markets, horse races to open-air concerts, this book promises 101 great reasons to go back to Italy over and over.
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Article of interest

Barcodes are a graphical representation of information that can be easily read by machines. People read text easy enough but machines find this to be too complex so we use barcodes to simplify the process.

Barcodes can store numbers, letters and all the special characters. What can be stored in the barcode depends on which type of barcode is being used. But the basics of how a barcode works is the same regardless of what type of code it is, what information is stored in the barcode or what type of scanner is being used.

barcode scanIt all starts with the scan. The scanner, regardless of which type you are using, will examine the barcode image. The lines (or blocks in the case of 2D barcodes) will either reflect or absorb light. When we look at the barcode, we tend to see the dark stripes and think of those as the important parts. Those are the parts that absorb the light and the white parts reflect the light. So the scanners tend to see the barcodes in reverse of how we think of them. But the dark and light portions of the code on their own don't automatically become the information stored in the code. In most cases, it is the relative placement and size of each dark and light stripe (or block) that make up the information. There are also special markers that help the scanner know which direction the barcode is facing when it is scanned. This allows the scanning process to work even if the barcode is upside down when it is scanned. The scanner simply processes the scanned data in reverse in this case.

barcode oscolloscopeTaking a look at an oscolloscope screen as a scanner passes over barcode, you can see that the stripes reflect back light and the scanner registers the changes as high and low levels. So what looks like a simple image is really a rather complex set of layered encryption to store the data. The encryption isn't done to hide the information in this case. Instead it is done to make it easy for the machine to read the information. Since the base language of machines is binary (1 and 0) it is easy for them to read this type of information even if it takes several steps to turn this back into something that people can understand.

binaryThe size of each high and low are combined to make binary data. A series of 1 (one) and 0 (zero) values which are strung together then decoded into the actual information. Up to this point, the process is the same for all barcodes regardless of how they are stored. Getting the lines or dots into binary is the easy part for the machine. The next step is to make this binary code into something useful to people. That step depends on  which type of barcode is being scanned. Each type of barcode has its own encoding methode. Just like human languages, what seems to be two similar words (or barcodes in this case) could actually be two very different values even though they have the same basic letters (or bars).

So you can see that the scanning devices need to know not only how to turn the bars or dots into binary, but after they have done that they need to know how to turn that binary string into the original information. But regardless of the encoding process the basic steps are the same. Process the light and dark areas, convert them to binary, decode the binary, pass the information on to the receiving device which is normally a computer program of some sort.

Once the decoded data reaches the computer program, there is no telling how the information is to be used. The grocery store will use the information to keep track of the products you purchased as you go through the register. A manufacturer will use the code to identify where they are storing their parts. And shipping companies use the codes to keep track of the packages they are delivering.

Now that you know a little about the mechanical portion of the process, take some time to learn about the different types of barcode scanners and the different ways the information can be encoded into barcodes.

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