The human brain: Slip a microchip into snug contact with your gray matter (a.k.a. wetware)/ wetware: the human brain and its DNA code (1980s+ Computer)
/wet'weir/ (Probably from the novels of Rudy Rucker, or maybe Stanislav Lem) The human nervous system, as opposed to electronic computer hardware or software. "Wetware has 7 plus or minus 2 temporary registers." Also, human beings (programmers, operators, administrators) attached to a computer system, as opposed to the system's hardware or software.
See liveware, meatware.
[True origin? Dates?]