I have a fairly strong understanding of how code like C is compiled into machine code and how transistors form gates which can be put together to compute lots of operations which can eventually become a computer. Say you have a machine instruction that says to add the contents of register 3 and register 5 and put the result in register 6. What is physically putting the voltages on the transistors in a way that achieves the desired result given that nothing is flipping a mechanical switch?
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I’m not sure what you’re exactly asking so I’m just going to go over the process.
Power enters the computer through the Power Supply Unit. The PSU turns the wall outlets AC power into DC power and then steps down the Amps until it’s safe for the chips. The PSU plugs into the various components of the computer like the motherboard, Hard Drive, and cooling fans. T
he Motherboard then distributes the chips and logic circuits. In the chips, transistors are magnetized or demagnetized to change their conductivity.
The computer then starts reading every digit of the memory dedicated to register 3 and then alters register 6 to match. When it finds the terminator of register 3 it starts with register 5, reading every bit and changing the bits of Register 6 to match.
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