You can still go on about how there is a keydown/keyup event, DNS lookups, safe-browsing lookups (Google, Firefox), cache hits or not, GPU redraws, etc etc.
It's a question for asking how much you know about which bits are flipped when anything happens. You can literally pick any bit of the pipeline and riff about it. Assuming that is you know about them.
You can still go on about how there is a keydown/keyup event, DNS lookups, safe-browsing lookups (Google, Firefox), cache hits or not, GPU redraws, etc etc.
It's a question for asking how much you know about which bits are flipped when anything happens. You can literally pick any bit of the pipeline and riff about it. Assuming that is you know about them.