On Thu, 28 Feb 2002, Harold M Hallikainen wrote: > On Thu, 28 Feb 2002 18:23:15 -0600 Dale Botkin writes: > > On Thu, 28 Feb 2002, Harold M Hallikainen wrote: > > > > > sense amplifiers (remember what they were sensing?) > > > > Usually magnetics, often core memory, wasn't it? > > That's how I remember it! The first class I ever taught was assembly > language programming on the PDP-8... with a bunch of core memory! I say "usually" because I know they were also used in tape and disk drives, back when such things were built from pieces parts instead of monolithic chips. Dale -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body