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Tech Terms, 3rd Edition by Jeff Rutenbeck

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Q

QA (Quality Assurance)

Level: 1

Definition: Systematic procedures in production or manufacturing to ensure standardization of product quality to meet or exceed preestablished targets or standards.

QAM (Quadrature Amplitude Modulation)

Level: 3

Definition: A sophisticated modulation scheme that uses variations in signal amplitude and phase of a carrier to produce different states of dataencoded symbols. An example of QAM is a modem that operates at high speeds. (See also Modem.)

QoS (Quality of Service)

Level: 3

Definition: Refers to the goal of providing network services (especially bandwidth) in a dependable and predictable way. For example, initiatives to design next-generation Internet technologies are paying close attention to QoS in everything ...

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