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...m seal can form a leak, which accelerates the cathode contamination. See [[Electronic switch#vacuum tube|vacuum tube]].</ref> Usually, when a tube failed, the CPU woul ...y, unreliable, and fragile [[Electronic_switch|switching elements]] like [[Electronic switch#vacuum tube|vacuum tubes]] and electromechanical relays. With this improve

...require solving a set of differential equations, and circuits containing [[Electronic switch#Transistor|transistors]] may require the engineer to solve [[transcendental

...roducts were released in 1948. The QA12 and QA12/P were low-powered mono [[Electronic switch#vacuum tube|vacuum tube]] designs. This unit’s sound quality reproduction

...]s, implementing simple Boolean operations. Others soon figured out that [[Electronic switch#vacuum tube|vacuum tubes]] — electronic devices, could be used instead. V ...ch they could operate. Therefore, by the 1960s they were replaced by the [[Electronic switch#Transistor|transistor]], a new device which performed the same task as the

The discovery of electricity, along with the invention of [[Electronic switch|electronic switches]] in the early 1900's, including the solenoid and the s

...physics, invent and design processes and [[tool | device]]s, such as the [[Electronic switch#Transistor|transistor]], whether in [[basic research | basic]] or [[applied

...l parameters of the switching elements used to create the CPU, such as a [[Electronic switch#Transistor|transistor's]] threshold level.</ref>

...he study of semiconductors led to the invention of the [[diode]] and the [[Electronic switch#Transistor|transistor]], which are indispensable for modern [[electronics]]