Apple imac is a silent computer. I don't hear almost any noise from it, but i tried giving a microphone-sweep over the screen, which surprised me. You can hear various kinds of noise in a close audition. A dynamic mic.
So könnte es sich anhören, wenn jemand unerfahrenes auf einer computertastatur tippt und die gebrauchten tasten nicht findet. That's what it might sound like when someone inexperienced is typing on a computer keyboard and can't find the keys they need.