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  2. Electronic switch - Wikipedia

    en.wikipedia.org/wiki/Electronic_switch

    The most widely used electronic switch in digital circuits is the metal–oxide–semiconductor field-effect transistor (MOSFET). [2] The analogue switch uses two MOSFET transistors in a transmission gate arrangement as a switch that works much like a relay, with some advantages and several limitations compared to an electromechanical relay.

  3. Text entry interface - Wikipedia

    en.wikipedia.org/wiki/Text_entry_interface

    A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.Each button typically represents one character, but some symbols may only be accessible via a combination of buttons.

  4. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These symbols are largely standardized internationally today, but may vary from country to country, or engineering ...

  5. Switch - Wikipedia

    en.wikipedia.org/wiki/Switch

    Switches can be designed to respond to any type of mechanical stimulus: for example, vibration (the trembler switch), tilt, air pressure, fluid level (a float switch), the turning of a key , linear or rotary movement (a limit switch or microswitch), or presence of a magnetic field (the reed switch). Many switches are operated automatically by ...

  6. Glossary of power electronics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_power_electronics

    semiconductor switch An electronic power switch with semiconductor valve devices. [ac] semiconductor valve device An electronic valve device which is a semiconductor device. sequential phase control Asymmetrical phase control such that the delay angles are determined according to a given sequence. single converter

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  8. Electronic switching system - Wikipedia

    en.wikipedia.org/wiki/Electronic_Switching_System

    First announced in 1955, the first customer trial installation of an all-electronic central office commenced in Morris, Illinois in November 1960 by Bell Laboratories. [1] The first large-scale electronic switching system was the Number One Electronic Switching System (1ESS) of the Bell System, cut over in Succasunna, New Jersey, in May 1965.

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