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2. Barcode Scanner (application) - Wikipedia

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

   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] Information encoded often includes web addresses, geographical coordinates, and small pieces ...

3. Barcode - Wikipedia

   en.wikipedia.org/wiki/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 barcode readers, of which ...

4. 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. Additionally, nearly all barcode readers contain decoder circuitry ...

5. 8 Mistakes You’re Making Every Time You Shop at Dollar Tree

   www.aol.com/8-mistakes-making-every-time...

   Don’t Assume Everything Is $1. Dollar Tree initially gained its fame by pricing its inventory at $1. However, in recent years, the company has introduced a new pricing strategy. Most items are ...

6. Scanner Price Accuracy Code - Wikipedia

   en.wikipedia.org/wiki/Scanner_Price_Accuracy_Code

   The Scanner Price Accuracy Code is a Canadian retail voluntary practice managed by the Retail Council of Canada and endorsed by the Competition Bureau. [1] It was introduced in June 2002 [2]: 2 as Canadian retailers were in the midst of updating their point-of-sale systems with barcode readers [1] to "foster consumer confidence" with the new systems. [3]

7. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   Rectangular Micro QR Code. Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 by Denso Wave as ISO/IEC 23941. rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.