On Monday 31 August 2015 16:39:26 Alan McKinnon wrote: > On 31/08/2015 15:41, Peter Humphrey wrote:
> > I won't tell you what systems used a 24-bit processor and 12 or 16 KB of > > 2us core store backed by a 2MB disk (three feet in diameter), for fear of > > frightening you. ;-) > > Nah, I have some experience with such things. I thought I'd be misunderstood. I meant the purposes the computer systems were put to. In one case it was the closed-loop control of a nuclear power reactor (AGR); in the other the analysis and control of the national power grid. And the lights stayed on! > Remember the old horror stories about not smoking in the computer room, > because smoke particles are much bigger than fly height of the disk > heads? The young 'uns here never had to deal with that. Yes, of course. Them was the days - when we was young. Miles of 8-hole tape flying around the room. Entering boot code manually on key-switches. Two-day course in maintenance of ASR-33 and KSR-35. Back injury from manhandling a power supply into position. Aye...hmm... > We understand each other perfectly; Well, that must be a novelty :-) -- Rgds Peter