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  2. Opera update uses QR codes to sync data between PC and ...

    www.engadget.com/opera-makes-it-easier-to-sync...

    You just navigate to opera.com/connect on your PC and scan the displayed QR code using the QR-reader in Opera for Android. Once that’s done, all your bookmarks, favorites, history and more...

  3. Barcode Scanner (application) - Wikipedia

    en.wikipedia.org/wiki/Barcode_Scanner_(application)

    Website. Main site. Google Play. Barcode Scanner scanning a QR code. The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing ), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2]

  4. Optical mark recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_mark_recognition

    Optical mark recognition (OMR) is the scanning of paper to detect the presence or absence of a mark in a predetermined position. [5] Optical mark recognition has evolved from several other technologies. In the early 19th century and 20th century patents were given for machines that would aid the blind.

  5. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    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.

  6. Scan these Spotify Codes with the new camera in the Spotify app's search bar to instantly play that music.

  7. QR code attacks probably aren’t coming for your ... - Engadget

    www.engadget.com/qr-code-attacks-probably-arent...

    Wed, Dec 20, 2023 · 5 min read. Virojt Changyencham via Getty Images. QR code-based phishing attacks appear to be on the rise. For this “new” hacking vector, someone gets a phishing email ...