- Video door entry
Video door entry (also known as a video intercom or doorphone) is a stand-alone system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is that it enables the person indoors to identify the visitor and, if (and only if) they wish, engage in conversation and/or open the door to allow access to the person calling.
Source: Wikipedia (http://en.wikipedia.org/wiki/Video_door_entry)
- Video game
A video game is an electronic game that involves human interaction with a user interface to generate visual feedback on a video device. The word video in video game traditionally referred to a cathode ray tube (CRT) display device, but it now implies any type of display device that can produce two or three dimensional images. The electronic systems used to play video games are known as platforms; examples of these are personal computers and video game consoles. These platforms range from large mainframe computers to small handheld devices. Specialized video games such as arcade games, while previously common, have gradually declined in use. Video games have gone on to become an art form and industry.
Source: Wikipedia (http://en.wikipedia.org/wiki/Video_game)
- Video game accessibility
Within the field of human–computer interaction, game accessibility refers to the accessibility of video games. Game accessibility is considered a subfield of computer accessibility, which studies how software and computers can be made accessible to users with various types of impairments. With an increasing number of people are interested in playing video games and with video games increasingly being used for other purposes than entertainment, such as education, rehabilitation or health, game accessibility has become an emerging field of research, especially as players with disabilities could benefit from the opportunities video games offer the most.
Source: Wikipedia (https://en.wikipedia.org/wiki/Game_accessibility)
- Video magnifier
Video magnifiers are electronic devices that use a camera and a display screen screen to perform digital magnification of printed materials. The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source material. Video magnifiers are designed to be mostly used by people with vision that can no longer be helped using a conventional magnifying glass.
Source: Wikipedia (http://en.wikipedia.org/wiki/Video_magnifier)
- Video relay service
A video relay service (VRS), also sometimes known as a video interpreting service (VIS), is a video telecommunication service that allows deaf, hard-of-hearing and speech-impaired (D-HOH-SI) individuals to communicate over video telephones and similar technologies with hearing people in real-time, via a sign language interpreter.
Source: Wikipedia (https://en.wikipedia.org/wiki/Video_relay_service)
A videophone is a telephone with a video display, capable of simultaneous video and audio for communication between people in real-time. Videophone service provided the first form of videotelephony, later to be followed by videoconferencing, webcams, and finally high-definition telepresence.
In the present day videophones have become widely available at reasonable cost, although not widely used in everyday communications for a variety of reasons. However, they are particularly useful to the deaf and speech-impaired who can use them with sign language, and are becoming increasingly popular for educational instruction, telemedicine and to those with mobility issues.
Source: Vikipedia (https://en.wikipedia.org/wiki/Videophone)
- Virtual keyboard
A virtual keyboard is a software component that allows a user to enter characters. A virtual keyboard can usually be operated with multiple input devices, which may include a touchscreen, an actual Computer keyboard and a computer mouse.
Source: Wikipedia (http://en.wikipedia.org/wiki/Virtual_keyboard)
- Virtual mouse
A virtual mouse is an on-screen software designed for anyone with a disability that makes it difficult or impossible to mouve or click a physical computer mouse.
- Virtual reality
Virtual Reality (VR), which can be referred to as immersive multimedia or computer-simulated life, replicates an environment that simulates physical presence in places in the real world or imagined worlds and lets the user interact in that world. Virtual reality artificially creates sensory experiences, which can include sight, hearing, touch, smell, and taste.
Source: Wikipedia (https://en.wikipedia.org/wiki/Virtual_reality)