What do fourth-generation computers mainly use as logic switching components?

The fourth generation of computers mainly uses "transistors" as logical switching components. The transistor is a solid semiconductor device with multiple functions such as detection, rectification, amplification, switching, voltage stabilization, and signal modulation. The transistor acts as a variable current switch that controls the output current based on the input voltage.

A transistor is a solid semiconductor device (including diodes, transistors, field effect transistors, thyristors, etc., sometimes specifically bipolar devices), It has multiple functions such as detection, rectification, amplification, switching, voltage stabilization, and signal modulation. The transistor acts as a variable current switch that controls the output current based on the input voltage. Unlike ordinary mechanical switches (such as relays and switches), transistors use electrical signals to control their own opening and closing, so the switching speed can be very fast, and the switching speed in the laboratory can reach more than 100GHz.

A transistor is a semiconductor device commonly used in amplifiers or electronically controlled switches. Transistors are the basic building blocks that regulate the operation of computers, cell phones, and all other modern electronic circuits.

Due to their fast response and high accuracy, transistors are used in a wide variety of digital and analog functions, including amplification, switching, voltage regulation, signal modulation and oscillators. Transistors can be packaged individually or as part of an integrated circuit in a very small area that can accommodate a hundred million or more transistors.

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