How a program -something digital- can modify something physically?
In: 3
It can turn parts on and off. And in some rare cases you actually burn parts away on purpose (not consumer hardware)
Software is the state of hardware.
Computer hardware is a bunch of tiny switches that route electricity, and can be flipped on/off by electricity. Software is how they are currently flipped. That means changing the Software can (de)activate parts of your hardware, but can’t build new ones. Though it’s possible to build “general purpose” hardware where software kinda decides what it does.
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