Applications and infrastructure Definitions

  • Q

    Quarter Video Graphics Array (QVGA)

    QVGA (Quarter Video Graphics Array) is a small-screen display mode in which the resolution is 320 pixels horizontally by 240 pixels vertically (320 x 240). This is 25 percent of the total number of pixels afforded by the VGA (Video Graphics Array) display mode originally introduced by IBM in 1987... (Continued)

  • R

    radio charging

    Radio charging is a wireless charging method used to charge items with small batteries and low power requirements, such as watches, hearing aids and wireless keyboards and mice... (Continued)

  • Radio Data System (RDS)

  • rain fade

    Rain fade is an interruption of wireless communication signals as a result of rain or snow droplets whose separation approximates the signal wavelengths.

  • real-time location system (RTLS)

    A real-time location system (RTLS) is one of a number of technologies used to pinpoint the current geographic position and location of a target.

  • reconfigurable tactile display (RTD)

    A reconfigurable tactile display (RTD) is a control interface that provides physical touch input, but that can be configured by programming.

  • remote wakeup (RWU)

    Remote wakeup (RWU) is a general term for the powering-up of (turning on) a computer over a network.

  • remote-control software

    Remote-control software is programming in a central or server computer that is used to control other computers (or their users) at a distance, either under the control of an administrator or at the request of the user. Although remote-control software existed before the World Wide Web (for remote diagnosis of computer problems and other purposes), the Web has essentially built a platform on which anyone can build a new remote-control application that can reach millions of computers and their users. Remote-control software can be viewed as one class of application furnished by application service providers.

  • Rendezvous

    Rendezvous is Apple Computer's version of ZeroConf (Zero Configuration Networking), a set of protocols that enables a device on an IP network to automatically recognize and connect with other devices on the network.

  • resonance charging

    Resonance charging is a wireless charging method for items that require large amounts of power, such as an electric car, robot, vacuum cleaner or laptop computer. The method works over small distances (3-5 meters)... (Continued)

  • RMON (Remote Network Monitoring)

    RMON (Remote Network Monitoring) provides standard information that a network administrator can use to monitor, analyze, and troubleshoot a group of distributed local area networks (LANs) and interconnecting T-1/E-1 and T-2/E-3 lines from a central site.

  • roaming service

    Roaming service is the ability to get access to the Internet when away from home at the price of a local call or at a charge considerably less than the regular long-distance charges.

  • S

    SAP Mobile Platform (SMP)

    SAP Mobile Platform (SMP) facilitates the development and deployment of business-to-enterprise (B2E) and business-to-customer (B2C) applications through reusable components, drag and drop HTML5 apps and other programming tools.

  • satellite

    In general, a satellite is anything that orbits something else, as, for example, the moon orbits the earth.

  • searching

    On the Internet, searching is just trying to find the information you need. (Continued...)

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