I've left mine in a drawer for several days connected to WiFi with occasional RSS feed synchronization during that time. I have no idea what WiFi chip is in the N800/N810, but it is possible for many of these parts to power down completely while still associated.
Neither of these terms really mean much in modern designs. It's more precise to refer to ARM, PPC, SPARC, etc. as load-store architectures as this is what differentiates them from x86 most.