 the computer should  not at that time repeat the order as it had been acknowledged and ordered not  to do so.  Before the time was up, originally the following conversation took  place: Blake: Colossus can not exceed its programming.  Its impossible.  The  computer cannot physically change its guts. Forbin: Anything the human mind  can conceive of is possible, Blake. Blake: Really, Charles?  OK, how about a  four