Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site peora.UUCP Path: utzoo!watmath!clyde!cbosgd!cbdkc1!desoto!packard!ihnp1!ihnp4!houxm!mtuxo!mtunh!mtung!mtunf!ariel!vax135!petsd!peora!jer From: jer@peora.UUCP (J. Eric Roskos) Newsgroups: net.columbia,net.space,net.arch Subject: Re: Answer to: What do you call the "blockhouse" now? Message-ID: <1426@peora.UUCP> Date: Sat, 10-Aug-85 01:24:05 EDT Article-I.D.: peora.1426 Posted: Sat Aug 10 01:24:05 1985 Date-Received: Tue, 6-Aug-85 09:48:20 EDT References: <112@cpsc53a.UUCP> <303@pyramid.UUCP> <775@burl.UUCP> <1590@akgua.UUCP> <1060@ames.UUCP> Organization: Perkin-Elmer SDC, Orlando, Fl. Lines: 15 Xref: watmath net.columbia:1556 net.space:4418 net.arch:1650 > It mentions the use of magnetic tape drives at a time when > everybody else is using disk drives. I saw a cost analysis on this awhile back. Its conclusion was that for most of NASA's computers-in-space functions, the magnetic media only have to be sequential-access devices; and that the cost-per-bit of magnetic tape is enormously smaller than for disk. Thus, the use of the magnetic tapes. -- Shyy-Anzr: J. Eric Roskos UUCP: ..!{decvax,ucbvax,ihnp4}!vax135!petsd!peora!jer US Mail: MS 795; Perkin-Elmer SDC; 2486 Sand Lake Road, Orlando, FL 32809-7642 "Vg frrzf yvxr hc gb zr."