I thought the announcement said that this was the first mainframe that could upgraded to a bigger machine without having to rewrite all your code. I read the presentation yesterday, so I may have forgotten, but that's what I thought it meant.

Eric

Eric Bielefeld
Sr. Systems Programmer
Milwaukee, Wisconsin
414-475-7434


----- Original Message ----- From: "Howard Brazee" <[email protected]>
Newsgroups: bit.listserv.ibm-main
To: <[email protected]>
Sent: Wednesday, April 08, 2009 10:09 AM
Subject: Re: Happy 45th Birthday


On 7 Apr 2009 12:24:29 -0700, [email protected] (Harbeck, Reg) wrote:

I just wanted to take a moment to wish the IBM mainframe a Happy 45th
Birthday (see
http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PR360.htm
l)!

It seems to be saying that the System/360 was the first mainframe.
What is the definition of "mainframe" being used here?

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