That analogy isn't very apt because the CPU by itself doesn't have memory. The CPU+motherboard+ram+hard disks is closer to the brain. You could argue that powe

That analogy isn't very apt because the CPU by itself doesn't have memory. The CPU+motherboard+ram+hard disks is closer to the brain. You could argue that power supply and the speakers, microphone, nic, and webcam are like the energy supply and inputs to the brain though.