Williams tube: periodic regeneration Drum: stable
Delay line: amplification Core, rod, thin film: destructive read followed by rewrite ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Mike Schwab <[email protected]> Sent: Tuesday, August 1, 2023 12:24 PM To: [email protected] Subject: Re: Definition of mainframe? Was: Ars Technica I think most pre- semiconductor memory including core memory in S/360 was destructive reads with hardware rewiting the store, so you can certainly understand using move, not to mention C for Compare instructions had few alternatives. On Tue, Aug 1, 2023, 10:51 Seymour J Metz <[email protected]> wrote: > The term of art "move" goes back at least to the 705, well before COBOL, > so even if it's confusing it's not likely to change. > > ________________________________________ > From: IBM Mainframe Discussion List <[email protected]> on behalf > of Gary Weinhold <[email protected]> > Sent: Tuesday, August 1, 2023 11:38 AM > To: [email protected] > Subject: Re: Definition of mainframe? Was: Ars Technica > > >> Wayne B wrote: > COBOL MOVE was not intuitive. Should have been PROPOGATE or COPY, COPY was > already taken I guess. > > > Assembler has the same problem: MVC, MVCL, etc. > > > > Gary Weinhold > Senior Application Architect > DATAKINETICS | Data Performance & Optimization > Phone:+1.613.523.5500 x216 > Email: [email protected] > Visit us online at http://www.dkl.com/ > E-mail Notification: The information contained in this email and any > attachments is confidential and may be subject to copyright or other > intellectual property protection. If you are not the intended recipient, > you are not authorized to use or disclose this information, and we request > that you notify us by reply mail or telephone and delete the original > message from your mail system. > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
