electronic system switching

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• Electronic voting — Election technology Certification of voting machines Independent Testing Authority (ITA) NVLAP VVSG End to end auditable voting systems Help America Vote Act Independent verific …   Wikipedia

• System X (telephony) — System X was the name of the UK s first national digital telephone exchange system.HistorySystem X was developed by the UK Post Office (later to become British Telecom), GEC, Plessey, and Standard Telephones and Cables (STC), and first shown in… …   Wikipedia

• electronic switching — electronic switching, an automatic system of switching electric circuits by means of electronic components, especially in telephone circuitry: »Electronic switching…allows a customer to transfer incoming calls automatically and to connect… …   Useful english dictionary

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• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

• Electronic Switching System — In telecommunications, an electronic switching system (ESS) is: * A telephone exchange based on the principles of time division multiplexing of digitized analog signals. An electronic switching system digitizes analog signals from subscriber… …   Wikipedia

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• Switching Control Center System — The Switching Control Center System was an Operations Support System developed by Bell Laboratories and deployed during the early 1970s. This computer system was first based on the PDP 11 product line from Digital Equipment Corporation and used… …   Wikipedia

• Switching amplifier — A switching amplifier or class D amplifier is an electronic amplifier which, in contrast to the active resistance used in linear mode AB class amplifiers, uses switching mode of transistor to regulate power delivery. The amplifier, therefore,… …   Wikipedia

• Electronic tuner — Pocket sized Korg chromatic LCD tuner, with simulated analog indicator needle The term electronic tuner can refer to a number of different things, depending which discipline you wish to study. In the Discipline of radio frequency electronics an… …   Wikipedia