Archived posting to the Leica Users Group, 2007/03/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Luis, I never used Visicalc, though I have heard of it. I became very familiar with Lotus 1-2-3, because our company management adopted it for use in balancing workload and personnel. I now use Excel, but didn't make the change until I retired. Jim Nichols Tullahoma, TN USA ----- Original Message ----- From: "Luis Ripoll" <luisripoll@telefonica.net> To: "'Leica Users Group'" <lug@leica-users.org> Sent: Sunday, March 18, 2007 1:52 PM Subject: RE: [Leica] Re:SD cards in M8 > Jim, > > This sound me familial too, the first computer I've work was an HP1000 > with > same characteristics of your PDP, the hard disc was 20 MB! And my first > personal computer was a small HP (maybe HP120...?) with the diskettes of > 3,5", IBM was not yet announced (I think) the PC, my worsheet was > "Visicalc" > a very ancient predecessor of the Excel. > > Saludos desde Barcelona > Luis > > -----Mensaje original----- > De: lug-bounces+luisripoll=telefonica.net@leica-users.org > [mailto:lug-bounces+luisripoll=telefonica.net@leica-users.org] En nombre > de > Jim Nichols > Enviado el: domingo, 18 de marzo de 2007 18:19 > Para: Leica Users Group > Asunto: Re: [Leica] Re:SD cards in M8 > > Adam, > > You revive old recollections. Though I was not computer-oriented, I had > some brilliant techies working for me. Our first attempt at wind tunnel > control improvements was to provide test environment displays in true > engineering units, rather than as instrument readouts. We utilized a > surplus DEC PDP-8, loading the programs with punched paper tape. After > proving the concept, we went on to DEC PDP-11s and eventually a VAX. This > led to computerized control of selected plant valves in order to hold > testing conditions within tight tolerances during the data-taking process. > > The first computer that I actually utilized personally was made by Xerox > and > utilized two 8-INCH floppy drives, one for the operating system and one > for > the application and data. Those were the days! > > Jim Nichols > Tullahoma, TN USA > ----- Original Message ----- > From: "Adam Bridge" <abridge@gmail.com> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Sunday, March 18, 2007 11:57 AM > Subject: Re: [Leica] Re:SD cards in M8 > > >> My first "real" computer was a DEC PDP-11/23. It had 64K(!) of RAM and >> a huge, I say HUGE, as in VAST 5 MB hard drive. Of course the entire >> operating system footprint was 4 KB, 8 KB if I elected to use the >> non-overlayed version. Later we had the PDP-11/70 on a chip (the J11 I >> think it was called) and it address 4MB of RAM that cost at least $4k. >> >> Today even small drivers take 4k and just the space lost in formatting >> a typical hard drive totals more than the entire disk capacity I owned >> in the first 10, no make it 15, years of computing. >> >> I wish I had kept the VAXstation I had which was a wonderful machine >> with a rock-solid OS (VAX/VMS). Ah well . . . the good ol' days. >> >> Adam >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >