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The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
A 2023–2024 screen reader user survey by WebAIM, a web accessibility company, found JAWS to be the most popular desktop/laptop screen reader worldwide for primary usage (at 40.5%), while 60.5% of participants listed it as a commonly used screen reader, ranking it second in this measure behind NVDA.
A screen reader is a form of assistive technology ( AT) [1] that renders text and image content as speech or braille output. Screen readers are essential to people who are blind, [2] and are useful to people who are visually impaired, [2] illiterate, or have a learning disability. [3] Screen readers are software applications that attempt to ...
Though it is developed by the GNOME project, it is the most popular screen reader for Unix like systems with graphical environments other than GNOME, like KDE or Unity. PC-Talker Kochi System Development Windows Commercial Japanese screen reader. Supports MSAA and Flash. PCVoz EzHermatic Windows Commercial Available to buy or download trial.
Apple's iPad (left) and Amazon's Fire, two popular tablet computers, displaying the Wikipedia website. A tablet computer, commonly shortened to tablet, is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package.
Barcode reader. A stationary barcode scanner for a conveyor line. 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.
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. [3]
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] Information encoded often includes web addresses ...
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