Article View: comp.arch
Article #21616Re: What is a Mainframe?
From: Bill Pechter
Date: Tue, 06 Jun 1989 21:29
Date: Tue, 06 Jun 1989 21:29
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1503 bytes
In article <4400@ficc.uu.net> peter@ficc.uu.net (Peter da Silva) writes:
>I was taught that there was a fairly clear distinction between micros, minis,
>and mainframes:
A couple of amendments to cover the 1960-1985 minis...
> Micro: CPU substantially on one chip.
Should be CPU on a chip or "set of chips."
That will cover everything from the early 4 chip PDP11/03 through the
MicroVax and other chip-set micros.
> Mini: CPU on a single card.
CPU on a card or group of cards.
Price under $250k for the CPU.
Minimum of 8 bit words.
> Mainframe: CPU on multiple cards.
Price above $250k for CPU alone.
Minimum 32 bit words.
--
Bill Pechter -- Home - 103 Governors Road, Lakewood, NJ 08701 (201)370-0709
Work -- Concurrent Computer Corp., 2 Crescent Pl, MS 172, Oceanport,NJ 07757
Phone -- (201)870-4780 Usenet . . . rutgers!pedsga!tsdiag!scr1!pechter
** MS-DOS is CP/M on steroids, bigger bulkier and not much better **
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!att!tsdiag!scr1!pechter From: pechter@scr1.UUCP (Bill Pechter) Newsgroups: comp.arch Subject: Re: What is a Mainframe? Keywords: high-performance Message-ID: <366@scr1.UUCP> Date: 6 Jun 89 21:29:43 GMT References: <125@ssp1.idca.tds.philips.nl> <20752@winchester.mips.COM> <8442@june.cs.washington.edu> <4400@ficc.uu.net> Reply-To: pechter@scr1.UUCP (Bill Pechter) Distribution: comp.arch Organization: CONCURRENT COMPUTER,OCEANPORT NJ Lines: 25