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An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]
A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony, live streaming and social media, and security. Webcams can be built-in computer hardware or peripheral devices, and are commonly connected to a device using USB or wireless protocol.
Network Device Interface (NDI) is a software specification developed by the technology company NewTek. It enables high-definition video to be transmitted, received, and communicated over a computer network with low latency and high quality.
At launch, unlike Mac OS X's iChat, FaceTime did not support group conferencing. The application allowed a one-on-one video chat—only two people could talk at once. If a second user called and the user answered, the video chat with the previous user would end and a new video session began with the second caller. In iPhone, if a phone call was ...
Video Share is sometimes confused with traditional two-way Video Call service. Video Call involves simultaneous two-way Video and Audio transmission between the 2 parties (from start to finish), whereas Video Share involves adding and removing one or more one-way Video sessions to an existing voice call between the 2 parties.
A device that accepts video signals from a computer or video camera and displays information on a screen; a video display. Monochrome Black and white with all shades of gray. Monochrome Signal In monochrome television, a signal wave for controlling the brightness values in the picture.
Simple NVR-based camera system. A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system.
For example, a network gateway connects an office or home intranet to the Internet. If an office or home computer user wants to load a web page, at least two network gateways are accessed—one to get from the office or home network to the Internet and one to get from the Internet to the computer that serves the web page.