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List of netowrking, wireless, broadband, satellite, telephony, general computing and other technical terms used throughout the site.
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Term Description
QAM QAM (Quadrature Amplitude Modulation) is a modulation technique in which there are 16 possible four-bit patterns, determined by the combination of phase and amplitude.
QAM Lock A cable modem scans the entire frequency spectrum looking for a 6 MHz channel where the MPEG-2 frames are stamped with a PID of 0x1ffe. Once the cable modem finds a 6 MHz channel that carries this type of MPEG-2 frame, it achieves what is called a QAM lock.
QoS QoS (Quality of Service) is a term that describes the ability of a network to provide a particular level of service availability. QoS levels can range from best-effort to dedicated bandwidth. QoS is a technical term associated with ATM, but is commonly used to describe the concept of guaranteed availability for a wider range of technologies.
Term Description
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