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Barcode. A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called ...
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [ 1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry ...
Calibre is a cross-platform free and open-source suite of e-book software. Calibre supports organizing existing e-books into virtual libraries, displaying, editing, creating and converting e-books, as well as syncing e-books with a variety of e-readers. Editing books is supported for EPUB and AZW3 formats. Books in other formats like MOBI must ...
The New Follow Button. But it’s Snapchat that’s made them cool. In September 2014, Snapchat secretly acquired a QR code startup named Scan.me. We only found out about it, and the $50 million ...
Overview. Time period. Summary. 1870–1931. Earliest ideas of optical character recognition (OCR) are conceived. Fournier d'Albe's Optophone and Tauschek's Reading Machine are developed as devices to help the blind read. [1] 1931–1954. First OCR tools are invented and applied in industry, able to interpret Morse code and read text out loud.
With an update rolling out today, Google’s Chrome mobile browser can do the job instead. The app now includes built-in scanning functionality, which you can access either via 3D Touch on the app ...
Something there is that doesn't love a QR code, but that hasn't stopped leading QR code scanner makers Scan from serving up 25 million copies of their software. The company, which currently ...
Opera (web browser) Opera is a multi-platform web browser developed by its namesake company Opera. [ 11][ 12][ 13] The current edition of the browser is based on Chromium. Opera is available on Windows, macOS, Linux, Android, and iOS (Safari WebKit engine). [ 14][ 15] Two mobile versions are still active, called Opera Mobile [ 16] and Opera ...