1. A computer that has enhanced resistance or immunity to viral, Trojan-horse, hacker, or other malicious code infection, the computer comprising: a processor; a memory coupled to the processor; a plurality of identified storage; and a switch selectively enabling or disabling access with any selected one or combination of the plurality of storage with said processor, said memory, or other ones of said plurality of storage; the selectively enabling or disabling access among or between the processor, memory and other of the plurality of identified storage preventing a virus, a hacking executable code, an infection, or other harmful or malicious element from executing or from contaminating another storage.