If you are looking for a device that can help you feed information from your papers to your PC, or you want upload your image as the profile picture of your social networking site, or if you are looking for something that can convert your text files into digital form, a computer scanner is the machine having solution for each of your above mentioned needs.
A scanner basically forms a part of computer system and works as an input device for various tasks including scanning your hard copy of documents, printing text, printing handwriting and converting your text files into digital format, etc.
As per the different needs of users, engineers have manufactured various kinds of scanners such as Flatbed Scanners which are the most simple and commonly used scanners, or a Drum Scanners, a much advanced in principle than the flatbed scanners and are slower than the flatbeds ones, or Handheld scanners that are little smaller than the flatbed varieties. The latest and the most specific scanners are the Barcode Scanners that can commonly be seen at billing counters of various retail stores or shopping malls, etc.
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