together, thus sharing risk/reward in the delivery of a project, projects and/or service. Q QOS Quality of service is most commonly used to denote the measure of performance that obtains within a communications network. R Regulation Means the process of ensuring that public utilities operate in accordance with legal rules. These rules may govern the offering of service by an operator and includes practices, classification and definitions. S SABI Set Top Boxes Spectrum Software A scheme designed by NCC to take broadband infrastructure to all the 36 state capitals of the country as well as urban and semiurban centers. An information appliance device that generally contains a tuner and connects to a television set and an external source of signal, turning the signal into content which is then displayed on the television screen or other display device. Set-top boxes are used in cable television and satellite television systems, to transform the signal from the cable or satellite to a form that can be used by the television set or other receiver. It also enhances the quality of signal from cable or satellite. The word spectrum refers to a collection of various types of electromagnetic radiations of different wavelengths. Spectrum or airwaves are the radio frequencies on which all communication signals travel. Radio frequencies are used for different types of services like space communication, mobile communication, broadcasting, radio navigation, mobile satellite service, aeronautical satellite services, defence communication etc. Radio frequency is a natural resource, that will deplete when used, and will be wasted if used inefficiently. A collection of computer programs and associated data that provides the instructions for telling a computer what to do, and how to do it in other to achieve particular outcomes. T Telecommunication Teledensity Telemedicine U Ultra-high !"#$%&"'()*+(,%'$-.(/(0120( ( Any domestic or international transmission of information by wire, radio waves, optical media or other electromagnetic systems, between or among points of user’s choosing. A means of expressing the number of telephone services per hundred persons. Tele-density is sometimes also used to express the number of telephone services per hundred households. Access to shared and remote /distant medical examination, diagnosis and treatment by means of telecommunications and Information and Communications Technology. Designates the ITU radio frequency range of electromagnetic ( ,"34(99(