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Partner-assisted scanning. Partner-assisted scanning or listener-assisted scanning is an augmentative and alternative communication technique used to enable a person with severe speech impairments to communicate. The approach is used with individuals who, due to sickness or disability, have severe motor impairments and good memory and attention ...
The iPhone 5s's camera was paired with a dual-LED flash, allowing for higher-quality nighttime photos. iOS 7 introduced a new camera app, allowing the iPhone 5s to capture fast continuous shots and record slow-motion videos with 720p at 120 frames per second and an audio track, making it the first iPhone to be able to record at any frame rate ...
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 ...
Threema is a paid cross-platform encrypted instant messaging app developed by Threema GmbH in Switzerland and launched in 2012. The service operates on a decentralized architecture and offers end-to-end encryption. Users can make voice and video calls, send photos, files, and voice notes, share locations, and make groups.
M. von Ardenne's. A scanning electron microscope ( SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition of the sample.
This system produced a dim orange image 1.5 inches (3.8 cm) square, with 48 scan lines, at a frame rate of 7.5 frames per second. Mechanical television or mechanical scan television is an obsolete television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene ...
Fast scan (nmap -F [target]) – Performing a basic port scan for fast result. Host discovery – Identifying hosts on a network. For example, listing the hosts that respond to TCP and/or ICMP requests or have a particular port open. Port scanning – Enumerating the open ports on target hosts.
CamScanner is a Chinese mobile app first released in 2011 that allows iOS and Android devices to be used as image scanners. [1] It allows users to 'scan' documents (by taking a photo with the device's camera) and share the photo as either a JPEG or PDF. This app is available free of charge on the Google Play Store and the Apple App Store.