Image
EAN-130013388310616   EAN-13 barcode 0013388310616
UPC-A013388310616   UPC-A barcode 013388310616
Product NameResident Evil 5 - Pc
CategoryElectronics / Photography: A/V Media: Video Game
Amazon.comA Buy on Amazon ~ B0029ZBZ0I
SKUGC17-RB-111014325
Model31061
Price New5.99 US Dollars    (curriencies)
Price Used8.95 US Dollars    (curriencies)
Weight4 ounces    (convert)
BindingVideo Game
Features
  • Fans that pick up the PC version will be the first to experience stereoscopic 3D out of screen effects as their living rooms are transformed into the world of Kijuju. (wireless 3D Vision glasses sold separately)
  • Chris Redfield, protagonist of the original Resident Evil and Resident Evil: Code Veronica, returns and is joined by new playable character Sheva Alomar, an African BSAA agent tasked with investigating the epidemic.
  • New cooperatively-focused gameplay revolutionizes the way that Resident Evil is played. Chris and Sheva must work together to survive new challenges and fight dangerous hordes of enemies.
  • Features groundbreaking graphics that utilize an advanced version of Capcom?s proprietary game engine, MT Framework, which powered the hit titles Devil May Cry 4, Lost Planet and Dead Rising.
  • Improved inventory system allows items to be traded between characters. To add to the intensity, all inventory management is done in real time; items can even be assigned to the directional pad for instant access.
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0008888683117: Resident Evil 4 - Pc
Created11-15-2009
Modified05-01-2017 3:51:24pm
MD5442297bfbfc3273892533a1608c5c2b7
SHA256dea54b233c39904cda4ed72f64615d2cae7c5fd771f17ec323c200ae5f333f56
Search Googleby EAN or by Title
Query Time0.0014541

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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