this post was submitted on 07 Jun 2024
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I'm not sure what the typical explanation is, but a transistor is not a wire.
A wire is a conductor. It conducts electricity from end to the other.
A transistor is a semi-conductor device made from semi-conducting materials, so it conducts electricity between 2 ends with a variable electrical resistance. This variable can be controlled by putting voltage on the third leg. This way a transistor is basically a resistor with a variable resistance, which unlike a resistor is also controllable by a third input.
This ability is a property of the material. It cannot be constructed by a regular wire.
I think OP is referring to a typical SRAM bit.