To be honest, Jia Xiu was only average at digital circuitry.
Although it was a required course for computer science majors, his focus had been on software, and his grades in that course had not been particularly high. He had only avoided failing by cramming before the final. Not to mention that he had barely used it at all in his studies, work, or life after undergraduate school.
So, just as Jia Xiu had happily assumed he would soon be able to determine how a quaternary gate magic circuit should be constructed, he suddenly realized that he could not even remember how binary gate circuits were built. Finding a reference would not be easy, either.
How did you tell the gate, source, and drain apart again?
What was the difference between NMOS and PMOS?
And where exactly were the supply voltage and negative voltage supposed to connect?
After spending half the day trying to recall knowledge points he had never learned very deeply in the first place, Jia Xiu gave up.
He really could not remember.
And upon closer thought, binary circuit diagrams would not necessarily make good references for quaternary magic circuits anyway.
In the end, relying on his decent intelligence, repeated attempts in the Little Black Room, and sheer insane amounts of time, Jia Xiu designed several magic circuit diagrams that were theoretically feasible on the level of logic.
Why so many qualifying prefixes?
Because Jia Xiu had simulated a kind of magical conductive material in the Little Black Room that definitely did not exist in reality: an "ideal material."
How different it would be from an actual constructed device remained entirely uncertain.
From his experience, most problems that could be solved effortlessly under ideal conditions would immediately turn into disasters the moment they were placed in a