A data matrix bar code is used on almost very product which is found in stores. The data matrix bar code is used to identify a product and find the price in a computer system.
It might be possible to trace a product through a bar code, but it would depend on the product and the amount and type of data held in the associated computer network.
That because different types of barcodes are capable of handling different types of data, such as numeric and alphabetic characters, Kanji, Kana, Hiragana, symbols, binary, and control codes.When you use a bar code scanner to scan it , you can get the data that others put in it and via it, you can get to the product. I suggest you use a barcode generator to find it out. [Related links]
Bar code stores numbers only,but QR code can be store be with any multimedia.
Bar charts are used to summarise nominal or ordinal data.
A channel state matrix can provide the information needed to determine whether spatial multiplexing is possible for multilayer data transmission. Simple indicators for evaluating the mobile radio channel are derived from the channel matrix
Matrix Reloaded (Special Edition/ Widescreen)
Data Capture is when you can get Data of something and then put it in a table where others can get info. Like a ///bar code scanner is a form of data capture because it is collecting data from the bar code for its own use.
bar code
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.
a matrix that has a data that is raw
A matrix bar code is a two-dimensional array of dots, squares, triangles or other shapes, sometimes involving colours that is used to represent information for computers. For more details and examples you might wish to view the barcode page on wikipedia.
A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes.A bar code scanner reads bar codes.Bar codes contain data, typically numeric or alphanumeric data. While bar codes may all look the same to people, the data and even the "symbologies" are different. A bar code symbology is sort of like the language of the bar code, and there are many types: UPC, EAN, Code 39 (also called 3 of 9) and many others.
translate a bar code into a computer data file.
A bar code reader is an input Device. Although they sometimes output a visible light, the purpose is to gather data from a printed code and input that data into your system (computer, Point of Sale, etc.)
It might be possible to trace a product through a bar code, but it would depend on the product and the amount and type of data held in the associated computer network.
From the the user's point of view - the bar-code reader is much simpler to use. You simply point the reader at the bar-code - and it scans the sequence of black & white lines, sending data to a computer - which tells the user what the product is. With a keyboard, you would have to enter the long string of numbers printed under the bar-code - which not only takes more time - but could be entered wrongly.
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